VOICE SECURITY SYSTEM

OPERATING INSTRUCTIONS VOICE SECURITY SYSTEM VS-900 Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference.

TABLE OF CONTENTS BEFORE READING THIS MANUAL 1. INTRODUCTION... 8 2. MANUAL CONTENTS... 8 3. SYSTEM CONFIGURATION EXAMPLE... 9 CHAPTER 1. SUBSTATION OPERATION 1. NOMENCLATURE 1.1. Indoor Substation RS-150... 1-1 1.2. Indoor Vandal-Resistant Substation RS-160 and Outdoor Vandal-Resistant Substation RS-170... 1-1 1.3. Emergency Substation RS-180... 1-1 1.4. Outdoor Full-Duplex Substation RS-190 and Indoor Option Handset RS-191... 1-2 2. SUBSTATION OPERATION 2.1. Calling 2.1.1 Calling with the Call Button... 1-3 2.1.2 Calling by Lifting the Handset (only when the RS-190 and RS-191 are combined)... 1-4 2.2. Call Time-Out... 1-5 2.3. Being Called... 1-5 2.4. Conversation Method... 1-6 2.5. Substation Priority Level... 1-6 CHAPTER 2. BASIC OPERATION OF MASTER STATION 1. NOMENCLATURE AND FUNCTIONS... 2-1 2 2. MASTER STATION (TELEPHONE) OPERATION 2.1. Calling a Substation... 2-2 2.2. Calling a Master station (Telephone)... 2-3 2.3. Being Called... 2-4 2.4. Conversation Method... 2-5 2.5. Conversation Time-Out... 2-6 2.6. Conversation Recording... 2-6 2.7. Calling Party Display and Selective Response 2.7.1 Calling party display... 2-7 2.7.2 Selective response... 2-8 2.8. Auto Dialing 2.8.1 Auto dialing key call... 2-9 2.8.2 Auto dialing key registration... 2-9 2.8.3 Auto dialing key registration erasure... 2-10 2.8.4 Auto dialing key registration confirmation... 2-11

2.9. Redial... 2-12 CHAPTER 3. CONVENIENT FUNCTIONS CALL-RELATED FUNCTIONS 1. GROUP CALL 1.1. Function... 3-1 1.2. Group Call Operation... 3-1 TRANSFER-RELATED FUNCTIONS 2. CALL TRANSFER 2.1. Function... 3-3 2.2. Call Transfer Operation [Call hold]... 3-3 [Transfer to the third party]... 3-4 [Conversation restoration (Call back)]... 3-5 CALL FORWARDING-RELATED FUNCTIONS 3. CALL FORWARDING 3.1. Function... 3-6 3.2. Registration Operation 3.2.1. Registration and cancellation at the original station... 3-6 3.2.2. Registration and cancellation at the destination receiving station... 3-6 3.3. Call Forwarding Operation... 3-7 4. TIME-BASED CALL FORWARDING 4.1. Function... 3-8 4.2. Registration and Cancellation 4.2.1. Registration... 3-8 4.2.2. Cancellation... 3-8 4.3. Time-Based Call Forwarding Operation... 3-9 5. NO-ANSWER CALL FORWARDING 5.1. Function... 3-10 5.2. Registration and Cancellation 5.2.1. Registration... 3-10 5.2.2. Cancellation... 3-10 5.3. No-Answer Call Forwarding Operation... 3-11 6. BUSY CALL FORWARDING 6.1. Function... 3-12 6.2. Registration and Cancellation 6.2.1. Registration... 3-12 6.2.2. Cancellation... 3-12 6.3. Busy Call Forwarding Operation... 3-12 MONITOR-RELATED FUNCTIONS 7. SCAN MONITOR 7.1. Function... 3-13 7.2. Scan Monitor Operation... 3-13 3

PAGING-RELATED FUNCTIONS 8. ZONE PAGING 8.1. Function... 3-14 8.2. Zone Paging Dialing Operation... 3-15 9. ALL-ZONE PAGING 9.1. Function... 3-16 9.2. All-Zone Paging Dialing Operation... 3-16 10. EMERGENCY PAGING 10.1. Function... 3-17 10.2. Emergency Paging Dialing Operation... 3-17 11. EXTERNAL SOURCE DISTRIBUTION 11.1. Function... 3-18 11.2. External Source Distribution Operation... 3-18 12. PAGING TIME-OUT... 3-18 13. PAGING REDIAL 13.1. Function... 3-19 13.2. Paging Redialing Operation... 3-19 TELEPHONE-RELATED FUNCTIONS 14. OUTGOING TELEPHONE CALLS 14.1. Outside Line Dialing Operation... 3-19 15. INCOMING OUTSIDE LINE CALLS (DIRECT-IN LINE) 15.1. Direct-In Line Function... 3-20 15.2. Incoming Outside Line Call Operation... 3-20 16. INCOMING OUTSIDE LINE CALLS (DIRECT-IN DIALING) 16.1. Direct-In Dialing Function... 3-21 16.2. Incoming Outside Line Call Operation... 3-21 17. OUTSIDE LINE CONNECTION TIME-OUT... 3-22 18. OUTSIDE LINE CONVERSATION RECORDING... 3-22 19. OUTSIDE LINE CALL FORWARDING 19.1. Function... 3-22 19.2. Registration and Cancellation 19.2.1. Registration... 3-22 19.2.2. Cancellation... 3-23 19.3. Outside Line Call Forwarding Operation... 3-23 20. TIME-BASED OUTSIDE LINE CALL FORWARDING 20.1. Function... 3-24 20.2. Registration and Cancellation 20.2.1. Registration... 3-24 20.2.2. Cancellation... 3-24 20.3. Time-Based Outside Line Call Forwarding Operation... 3-25 4

21. OUTSIDE LINE NO-ANSWER CALL FORWARDING 21.1. Function... 3-26 21.2. Registration and Cancellation 21.2.1. Registration... 3-26 21.2.2. Cancellation... 3-26 21.3. Outside Line No-Answer Call Forwarding Operation... 3-27 22. OUTSIDE LINE BUSY CALL FORWARDING 22.1. Function... 3-28 22.2. Registration and Cancellation 22.2.1. Registration... 3-28 22.2.2. Cancellation... 3-28 22.3. Outside Line Busy Call Forwarding Operation... 3-28 CONFERENCE-RELATED FUNCTIONS 23. THREE-PARTY CONFERENCE (INDIVIDUAL CALL CONFERENCE) 23.1. Function... 3-29 23.2. Three-Party Conference Dialing Operation 23.2.1. Initiating a 3-party conference... 3-29 23.2.2. Initiating a 3-party conference during a 2-party conversation... 3-31 23.2.3. Operation details of 3-party conference... 3-32 24. EMERGENCY CONFERENCE 24.1. Function... 3-33 24.2. Emergency Conference Dialing Operation... 3-33 CHAPTER 4. SUMMARY OF DIALING OPERATIONS AND PRIORITIES 1. MASTER STATION OPERATION TABLE... 4-1 2. PRIORITIES 2.1. Call Priority 2.1.1. Call Priority and call tone (Calls to master stations)... 4-2 2.1.2. Call Priority (Calls to telephones)... 4-2 2.1.3. Calls to substations... 4-2 2.2. Speech Path Priority... 4-3 CHAPTER 5. PC-CONTROLLED FUNCTIONS 1. THE ROLES OF PC INTERFACE SOFTWARE... 5-1 2. SYSTEM PROGRAMMING (DATA SETTING) 2.1. System Setting... 5-1 2.2. Line Setting... 5-1 2.3. Function Setting... 5-3 3. MAINTENANCE/CONTROL FUNCTIONS... 5-5 4. VS-900DI SETTING... 5-5 5

FCC REQUIREMENTS (1) This equipment compiles with Part 68 of the FCC rules. On the front panel of this equipment is a label that contains, among other information, the FCC registration number and ringer equivalence number (REN) for this equipment. If requested, this information must be provided to the telephone company. (2) USOC Jack RJ11C or RJ11W (3) This Equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack that is Part 68 compliant. See this manual (VS-900 INSTALLATION MANUAL) for details. (4) The REN is used to determine the quantity of devices that may be connected to the telephone line. Excessive REN's on the telephone line may result in the devices not ringing in response to an incoming call. Typically, the sum of REN's should not exceed five (5.0). To be certain of the number of devices that may be connected to a line (as determined by the total REN's), contact the local telephone company. (5) If this equipment VS-900 causes harm to the telephone network, the telephone company will notify you in advance that temporary discontinuance of service may be required. But if advance notice isn't practical, the telephone company will notify the customer as soon as possible. Also, you will be advised of your right to file a complaint with the FCC if you believe it is a necessary. (6) The telephone company may make changes in it's facilities, equipment, operations, or procedures that could affect the operation of the equipment. If this happens, the telephone company will provide advance notice in order for you to make the necessary modifications in order to maintain uninterrupted service. (7) If trouble is experienced with this equipment VS-900, please contact TOA Electronics, Inc., 601 Gateway Boulevard, Suite 300, South San Francisco, CA. 94080, phone (650) 588-2538 for repair and warranty information. If the trouble is causing harm to the telephone network, the telephone company may request you remove the equipment from the network until the problem is resolved. (8) This equipment may not be used on coin service provided by the telephone company. Connection to party lines is subject to state tariffs. (9) This equipment is hearing aid compatible. WARNING (For U.S.A. only) This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A computing device pursuant to Subject J of Part 15 of the FCC Rules, which are designed to provide reasonable protection such interference when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause interference, in which case the user at his own expense will be required to take whatever measures may be required to correct the interference. 6

INDUSTRIAL CANADA REQUIREMENTS EQUIPMENT ATTACHMENT LIMITATIONS "NOTICE: The Industry Canada label identifies certified equipment. This certification means that the equipment meets telecommunications network protective, operational and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirements document(s). The Department does not guarantee the equipment will operate to the user's satisfaction. Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations. Repairs to certified equipment should be coordinated by a representative designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment. Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas. Caution: Users should not attempt to make such connections themselves, but should contact the appropriate electric inspection authority, or electrician, as appropriate." "NOTICE: The Ringer Equivalence Number (0.4) assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the Ringer Equivalence Numbers of all the devices does not exceed 5." RESTRICTIONS CONCERNANT LE RACCORDEMNT DE MATÉRIEL "AVIS: L'étiquette d'industrie Canada identifie le matériel homologué. Cette étiquette cetifie que le matériel est conforme aux normes de protection, d'exploitation et de sécurité des réseaux de télécommunications, comme le prescrivent les documents concernant les exigences techniques relatives au matériel terminal. Le Ministère n'assure toutefois pas que le matériel fonctionnera à la satisfaction de l'utilisateur. Avant d'installer ce matériel, l'utilisateur doit s'assurer qu'il est permis de le raccorder aux installations de l'entreprise locale de télécommunication. Le matériel doit également être installé en suivant une méthode acceptée de raccordement. L'abonné ne doit pas oublier qu'il est possible que la conformité aux conditions énoncées ci-dessus n'empêche pas la dégradation du service dans certaines situations. Les réparations de matériel homologué doivent être coordonnées par un représentant désigné par le fournisseur. L'entreprise de télécommunications peut demander à l'utilisateur de débrancher un appareil à la suite de réparations ou de modifications effectuées par l'utilisateur ou à cause de mauvais fonctionnement. Pour sa propre protection, l'utilisateur doit s'assurer que tous les fils de mise à la terre de la source d'énergie électrique, des lignes téléphoniques et des canalisations d'eau métalliques, s'il y en a, sont raccordés ensemble. Cette précaution est particulièrement importante dans les régions rurales. Avertissement: L'utilisateur ne doit pas tenter de faire ces raccordements lui-même; il doit avoir recours à un service d'inspection des installations électriques, ou à un électricien, selon le cas." "AVIS: L'indice d'équivalence de la sonnerie (0.4) assigné à chaque dispositif terminal indique le nombre maximal de terminaux qui peuvent être raccordés à une interface. La terminaison d'une interface téléphonique peut consister en une combinaison de quelques dispositifs, à la seule condition que la somme d'indices d'équivalence de la sonnerie de tous les dispositifs n'excède pas 5." This Class A digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada. 7

BEFORE READING THIS MANUAL 1. INTRODUCTION This manual explains all of the station functions and operations of the TOA Voice Security System. This includes functions that can only be performed by certain types of stations. In the Voice Security System, a personal computer can be used to conveniently and efficiently set function parameters and other detailed specifications (such as station number assignment or digit length or name registration) depending on system configuration (referred to as "system programming"). Note that dialing operations or displayed contents shown in this manual are only examples of the above-mentioned settings. 2. MANUAL CONTENTS This manual is divided into the following 5 chapters. CHAPTER 1. SUBSTATION OPERATION Be sure to read this chapter. CHAPTER 2. BASIC OPERATION OF MASTER STATION Be sure to read this chapter when using the master station. CHAPTER 3. CONVENIENT FUNCTIONS Making the most of convenient functions described in this chapter allows smoother and more efficient communications. CHAPTER 4. SUMMARY OF DIALING OPERATIONS AND PRIORITIES All of the functions and operations described in the previous chapters are summarized for quick reference. CHAPTER 5. PC-CONTROLLED FUNCTIONS This chapter explains the functions which can be performed or modified by the system operator. Shown herein are system programming, remote dialing, control, system monitoring, maintenance and other functions that can be performed using a PC software. For detailed operations, refer to the separate "VS-900 SETUP SOFTWARE MANUAL." 8

3. SYSTEM CONFIGURATION EXAMPLE The figure below shows the system configuration and main system equipment described in this manual. Outside line PC (for programming and system maintenance) External paging equipment Amplifier VS-900 Exchange VS-900 Exchange Substation paging amplifier* Speaker Master stations Substations Speaker Speaker * Substation paging needs an external amplifier (ex. BG-130). 9

CHAPTER 1. SUBSTATION OPERATION CHAPTER 1. SUBSTATION OPERATION 1. NOMENCLATURE 1.1. Indoor Substation RS-150 Speaker Call button 1.2. Indoor Vandal-Resistant Substation RS-160 and Outdoor Vandal-Resistant Substation RS-170 Speaker Call button 1.3. Emergency Substation RS-180 Speaker Call lamp Call button 1-1

CHAPTER 1. SUBSTATION OPERATION 1.4. Outdoor Full-Duplex Substation RS-190 and Indoor Option Handset RS-191 RS-191 RS-190 Call lamp Speaker Call button Microphone Handset 1-2

CHAPTER 1. SUBSTATION OPERATION 2. SUBSTATION OPERATION 2.1. Calling 2.1.1. Calling with the Call Button Step 1. Press the call button on the panel. Calls the designated master station. The call lamp flashes (RS-180 and RS-190 only). [System pre-programming] The master station corresponding to each substation must be registered by system programming at the time of installation. Step 2. If the master station responds, a brief call tone is sounded. The call lamp mode changes from flashing to steady-on state (RS-180 and RS-190 only). Speak toward the panel. Note Lifting the handset permits handset conversation when the RS-191 is combined with the RS-190. Brief call tone then Step 3. If the master station replaces the handset or presses the [C] key, the conversation is terminated. The call lamp is extinguished (RS-180 and RS-190 only). Note Replacing the handset terminates the conversation when the RS-191 is combined with the RS-190. 1-3

CHAPTER 1. SUBSTATION OPERATION 2.1.2. Calling by Lifting the Handset (only when the RS-190 and RS-191 are combined) Step 1. Lift the handset. Calls the designated master station. The RS-190's call lamp flashes. [System pre-programming] The master station corresponding to the substation must be registered by system programming at the time of installation. Step 2. If the master station responds, a brief call tone is sounded through the handset speaker. The call lamp mode changes from flashing to steady-on state. Speak into the handset. Brief call tone Step 3. If the handset replaces or the master station replaces the handset or presses the [C] key, the conversation is terminated. The call lamp is extinguished. 1-4

CHAPTER 1. SUBSTATION OPERATION 2.2. Call Time-Out Calls from the substation can be automatically terminated when the specified time is reached if no response is made. [System pre-programming] Program whether to [Enable] or [Disable] the Call Time-Out function. Set a call time limit of 1-99 minutes in 1 minute units Note The Call Time-Out function cannot be used for calls from the emergency substation. 2.3. Being Called Step 1. Following a brief call tone, the calling party's voice is heard. The call lamp lights (RS-180 and RS-190 only). then Brief call tone Voice Step 2. Speak toward the panel. Note Lifting the handset permits handset conversation when the RS-191 is combined with the RS-190. Step 3. If the master station replaces the handset or presses the [C] key, the conversation is terminated. The call lamp is extinguished (RS-180 and RS-190 only). 1-5

CHAPTER 1. SUBSTATION OPERATION 2.4. Conversation Method [RS-150, RS-160, RS-170, and RS-180] The other party's voice is heard from the speaker. Your voice is not sent out while the other party is talking. Speak after the other party finishes talking. While the other party is not talking, the substation speaker will function as a microphone to convey your voice. [This method of communication is referred to as a "Talk-Back method."] [RS-190] Conversation method differs depending on the other party's conditions as stated below. When communicating with a master station with the handset on-hook or an outside line telephone, the Talk- Back method is used. When communicating with a master station with the handset off, the handsfree simultaneous conversation method is used. [RS-191] Similar to an ordinary telephone, the handset simultaneous conversation method is used. 2.5. Substation Priority Level Any substation can be registered as an "Emergency substation" by system programming at the time of installation. The Emergency substation is given priority when calling the master station (telephone). 1-6

CHAPTER 2. BASIC OPERATION OF MASTER STATION CHAPTER 2. BASIC OPERATION OF MASTER STATION This Voice Security System permits commercial telephones to be used instead of dedicated master stations. However, note that some functions cannot be performed by the telephone. 1. NOMENCLATURE AND FUNCTIONS [Front] 3 View A 1 2 [View A ] 18 19 20 4 5 7 MINI. HANDSET REGISTER Do not connect thei jack SP. VOL. to telephone line. OFF ON MAX. LINE 6 1 ABC 2 DEF 3 1 2 16 GHI 4 PRS 7 JKL 5 TUV 8 OPER 0 MNO 6 WXY 9 # 3 4 5 6 7 8 [View B ] 17 C P T T REDIAL XFER 9 10 12 13 8 11 14 15 View B 1. Display panel Shows connection status and registered data. 2. Internal speaker Sounds call tones and permits "handsfree" conversation. 3. In-use lamp Lights when station is busy. 4. Handset Lift the handset or press the [PTT] key to respond to a call. 5. Station number card Write the station's number in this card. 6. Hook switch 7. Speaker volume selector switch [SP.VOL H/L] Adjusts the internal speaker's volume level. 8. Station number directory 9. Numeric dialing keys [0] [9] Used for dialing 10. [ ] key Used for registration and dialing operations of call paging functions or other special functions. 11. [#] key Used for registration and dialing operations of special functions. 12. Press-to-talk [PTT] key Used for speaking in press-to-talk conversation mode. Functions as a Response key to answer incoming calls. 13.Cancel [C] key Terminates calls. 14. [REDIAL] key Automatically redials the last dialed number. Also, functions as a station select key to cycle the display through waiting calls. 15. Transfer [XFER] key Used to transfer calls. First press this key, then dial the station number to which calls are transferred. 16. Auto dialing keys [1] [8] Automatically dial the registered station number. 17. Internal microphone Used in "handsfree" operation. 18. Handset speaker volume [HANDSET SP. VOL.] Adjusts the handset speaker's volume level. 19. Registration ON/OFF switch [REGISTER ON/OFF] Set this switch to ON when registering auto dialing information or other data into the station. Normally, set this switch to OFF. 20. Line connector [LINE] Connects the line to the exchange. 2-1

CHAPTER 2. BASIC OPERATION OF MASTER STATION 2. MASTER STATION (TELEPHONE) OPERATION 2.1. Calling a Substation Step 1. Dial the desired substation number. (Dialing can be performed with the handset on-hook or offhook.) 1 2 Step 2. Following a brief call tone, the master station is automatically connected to the substation. The master station's voice is heard at the substation while the master station operator is talking, and the substation's voice is only heard at the master station when the master station operator stops talking. Brief call tone Step 3. To terminate the conversation, replace the handset or press the [C] key. or C 2-2

CHAPTER 2. BASIC OPERATION OF MASTER STATION 2.2. Calling a Master Station (Telephone) Step 1. Dial the desired station number. (Dialing can be performed with the handset on-hook or off-hook.) 9 2 Step 2. A trill call tone is heard at the calling station handset. (This tone will be heard from the station's internal speaker if dialed with the handset on-hook.) Call tone Step 3. The call tone stops and conversation can proceed when the called party answers. Step 4. To terminate the conversation, replace the handset or press the [C] key. or C 2-3

CHAPTER 2. BASIC OPERATION OF MASTER STATION 2.3. Being Called Step 1. A trill call tone is heard. Call tone Step 2. Lifting the handset stops the call tone and permits conversation to proceed. (A response can also be made by pressing the [PTT] key for handsfree conversation.) [Response with the [PTT] key] (1) Simultaneous conversation is possible if the calling party is speaking with the master station handset lifted. (2) "Press-to-talk" alternate conversation is possible if the calling party is speaking with the master station handset on-hook. Refer to "2.4. Conversation Method." or PTT Step 3. To terminate the conversation, replace the handset or press the [C] key. or C 2-4

CHAPTER 2. BASIC OPERATION OF MASTER STATION 2.4. Conversation Method There are three different conversation methods possible when the master station is used. The conversation method is determined by the other party's station type and handset use. (1) Voice-operated switching conversation ("VOX" in the table below) When both parties are talking coincidentally, the master station's (telephone's) party voice is transmitted to the substation. If the master station's party stops talking, the substation's party voice can be heard at the master station. One-way conversation One-way conversation (2) "Press-to-talk" control conversation ("PTT" in the table below) The [PTT] key is pressed to talk, and released to listen. PTT One-way conversation (3) Duplex conversation Similar to the method of a standard telephone. Simultaneous conversation The following table shows the conversation modes for all of the various station combinations. Quick reference of conversation methods Substation Master station Telephone RS-150/-160/-170/-180 RS-190 RS-191 Handset off-hook Handset on-hook Substation Master Station Off-hook On-hook VOX/PTT PTT Duplex PTT Duplex Duplex Duplex Duplex PTT Telephone VOX VOX Duplex Duplex VOX Duplex VOX: Voice-operated switching conversation PTT: "Press-to-talk" control conversation Duplex: Simultaneous conversation 2-5

CHAPTER 2. BASIC OPERATION OF MASTER STATION 2.5. Conversation Time-Out Conversation time can be limited to automatically terminate conversations. When the limited time is reached, a warning signal tone is transmitted to both the calling and called parties to terminate the conversation. [System pre-programming] Program whether to [Enable] or [Disable] the Conversation Time-Out function. Set a conversation time limit of 10-990 seconds in 10-second units. Note The Conversation Time-Out function cannot be used for Emergency conference Outside line telephone conversation Response to emergency calls 2.6. Conversation Recording Connecting an external recording device permits independent recording of conversation of each master station or telephone. Note The external control output is made when the master station's (or telephone's) conversation is started, and is broken when the conversation is finished. (For equipment connections and operations, refer to the "VS-900 INSTALLATION MANUAL.") 2-6

CHAPTER 2. BASIC OPERATION OF MASTER STATION 2.7. Calling Party Display and Selective Response 2.7.1. Calling party display The master station can only display one of up to 64 calling stations by means of its 6-digit number or 8- character name. When the master station simultaneously receives calls from two or more stations, the station with the highest priority is displayed, and other waiting stations are displayed in order of priority as the [REDIAL] key is pressed. (Substation priorities are registered by system programming.) Display panel REDIAL key (Functions as the station selection key.) Example of calling station indication 1 2 : 3 Calling station No. 2 3 : 2/ The number of waiting parties (The currently-displayed party is not included.) Example of selected calling station indication Selected calling station No. The order of the waiting station (Second waiting party) Note For telephones, only the first calling station (telephone) number can be displayed. Soon after the conversation with the station is terminated, the call comes from the next waiting station in priority order and its station number is displayed. (This feature is available with "Caller ID" compatible telephones only.*) * Depending on the type of telephone (and its display), even when the telephone simultaneously receives multiple calls, the number indication may not change, displaying the number different from that of an actual conversation partner. [Calls are displayed in the following order of priority] 1. Emergency conference calls 2. Emergency substation calls 3. Incoming outside line calls 4. Normal substation calls 5. Master station or a telephone calls 2-7

CHAPTER 2. BASIC OPERATION OF MASTER STATION 2.7.2. Selective response When multiple calls are simultaneously made to the master station, the master station can select and answer any desired calling party. (Note this function can only be performed by a dedicated master station and not a telephone.) [Operation] Step 1. Press the [REDIAL] key, and the station number or name of the second calling party will be displayed. (Subsequent depressions of the [REDIAL] key cycle the display through all waiting station numbers or names.) Display panel REDIAL key (Functions as the station selection key.) Example of calling station indication 1 2 : 3 Calling station No.* 1 * 2 The number of waiting parties* 3 (The currently-displayed party is not included.) REDIAL 4 1 : 1/ Calling station No.* 1 * 2 First waiting party* 2 REDIAL 3 4 : 2/ Calling station No.* 1 * 2 Second waiting party* 2 REDIAL 3 6 : 3/ Calling station No.* 1 * 2 Third waiting party* 2 REDIAL * 1 The name of the calling party may be displayed. Example: Store * 2 Flashes when the call is made from a Emergency substation. * 3 Flashes when the Emergency substation is included. Step 2. Lift the handset when the desired station number (name) is displayed. The call tone then stops and conversation can begin. (The [PTT] key may also be pressed for handsfree response.) or PTT 2-8

CHAPTER 2. BASIC OPERATION OF MASTER STATION 2.8. Auto Dialing 2.8.1. Auto dialing key call A one-touch press of an auto dialing key automatically dials the station number or functional number of dialing sequence to activate Paging, Call Forwarding, or other functions assigned to into that key. There are 8 auto dialing keys [1] [8]. Call 1 Auto dialing key No. 93 2.8.2. Auto dialing key registration Step 1. Set the [REGISTER] switch on the master station's top panel to the ON position. The display panel will be placed in registration mode. Reg m ode Step 2. Press the [PTT] key. The following characters will be displayed. Au t o d i a l Step 3. Press the auto dialing key to register. The selected key number (example: [2]) will be displayed. 2 : Example of auto dialing key [2] If a station number or functional number has already been assigned to the auto dialing key, the assigned station number will also be displayed following the auto dialing key number (example: [2]). 2 : 9 0 0000 Example of auto dialing key [2] already assigned Step 4. Press the [PTT] key. 2 : Example of auto dialing key [2] The number, if previously assigned and displayed, will be erased. 2-9

CHAPTER 2. BASIC OPERATION OF MASTER STATION Step 5. Press the new keys to register using the dialing keys [0] [9] or function keys [ ], [#] or [REDIAL]. 2 : 1 2 3456 Example of "123456" being entered Notes If the [C] key is pressed before dialing a complete number, the contents before the [C] key was pressed are all erased. Mark "-" is displayed when the [REDIAL] key is pressed. The display shown below is an example of entering the functional number of paging. 2 : 8 0# Step 6. Press the [PTT] key after completing the entry of the registration number. Registration is then completed, as indicated by a confirmation tone. 2 : 1 2 3 4 5 6 Example showing the registration completion of "123456" Step 7. Shift the [REGISTER] switch back to the OFF position. The station will be placed in standby mode. 11: 59am 2.8.3. Auto dialing key registration erasure Step 1. Set the [REGISTER] switch on the master station's top panel to the ON position. The display panel will be placed in registration mode. Reg m ode Step 2. Press the [PTT] key. The following characters will be displayed. Au t o d i a l Step 3. Press the registered auto dialing key to delete. The selected key number (example: [2]) will be displayed together with the registered number. 2 : 1 2 3456 Example showing "123456" has been registered Step 4. Press the [PTT] key. The registered number displayed after the auto dialing key [2] will be erased. 2-10 2 : Example of auto dialing key [2]