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Tyco Electronics MM102014V1 MM102014V1, Rev. G , 5.23.3 Scene-Of-Incident Mode (SOI)

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MM102014V1, Rev. G

When the VTAC transitions from XCOV or XCOV TG mode to Mobile Radio mode, an audio and visual

indication is provided to the operator. This indication is identical to the indication of the mode transition

based on the external event switch.

When the VTAC is in Mobile Radio mode, the VTAC can return to XCOV or XCOV TG mode only by

the external event switch or manually via the control head menu.

If the VTAC is in XCOV or XCOV TG mode and the VTAC transitions to Mobile Radio due to

exceeding the distance and velocity thresholds, the VTAC will not transition back into XCOV or XCOV

TG mode when it falls back within the distance or velocity thresholds.

5.23.3 Scene-Of-Incident Mode (“SOI”)

SOI mode is user-selectable using the V-TAC’s, “Vmode Menu.” The SOI mode provides a local

repeater function with no network connection. It supports two concurrent voice calls, and it supports

communication between other mobiles and portables connected to the V-TAC via the SOI mode.

When using the SOI mode, both the V-TAC and any connected portable or mobile

radios (the clients) are off the OpenSky network. Therefore, communications with

radios and dispatch personnel on the network is not possible.

CAUTION

Use the SOI mode only when absolutely necessary and only when its use is approved by

an OpenSky radio system network administrator and/or a scene commander.

The V-TAC’s VRB radio continuously transmits when the V-TAC is in the SOI mode.

Therefore, a V-TAC operating in this mode may cause undesirable interference to other

nearby radios that are not connected to the V-TAC.

Frequency selection is performed manually from a list of pre-defined channels using the V-TAC’s

“Vchan Menu.” The radio indicates the FCC channel number for each, in addition to its alpha-numeric

identifier.

In SOI mode, the V-TAC supports the following features:

• Talk Group selection

• Talk Group scanning

• Call preemption of the client radios (i.e., Scene Commander can preempt a call from a portable or

mobile radio)

In SOI, an emergency initiated at the V-TAC will preempt a client voice call.

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Contents

Main M-803 MM102014V1, Rev. G Page Page Page 1 REGULATORY AND SAFETY INFORMATION 2 SAFETY INFORMATION 2.1 OCCUPATIONAL SAFETY GUIDELINES AND SAFETY TRAINING INFORMATION 2.2 COMMON HAZARDS MM102014V1, Rev. G 3 PRODUCT DESCRIPTION 3.1 VOICE OPERATION 3.2 DATA OPERATION 3.3 REMOTE CONTROL HEAD OPERATION 3.4 INTERCOM OPERATION 3.5 V-TAC OPERATION 3.6 PERSONALITY 3.6.1 Profiles 3.6.2 Talk Groups 3.7 GPS OPTION 3.8 FRONT PANEL 3.9 M-803 REAR PANEL MM102014V1, Rev. G 3.10 CONTROL HEAD REAR PANEL 3.11 V-TAC REAR PANEL 4 BASIC OPERATION 4.1 FRONT PANEL COMPONENTS OVERVIEW Table 4-1: Front Panel Controls and Functions 4.2 DISPLAY OVERVIEW Page MM102014V1, Rev. G 4.2.5 Dwell Display MM102014V1, Rev. G Table 4-3: Basic Menu Structure 21 Use (up arrow) and (down arrow) to scroll through menus. 4.2.6 Menu Display and Control Area MM102014V1, Rev. G 4.2.7 Dwell Display User-Selectable 4.3 ADJUSTING DISPLAY & BUTTON BACKLIGHT BRIGHTNESS 4.4 STEALTH MODE 4.5 ADJUSTING SIDE TONE AUDIO LEVEL 4.6 CHANGE OPERATING MODE 5 BASIC OPERATION IN OTP MODE 5.1 TURNING THE RADIO ON 5.2 SELF-TEST 5.3 LOGGING IN TO THE NETWORK 5.4 LOGGING OFF THE NETWORK 5.5 TURNING THE RADIO OFF MM102014V1, Rev. G 5.6 RECEIVING AND TRANSMITTING VOICE CALLS 5.6.1 Receiving a Voice Call 5.6.2 Transmitting a Voice Call 5.7 RADIO TONES Page 5.8 ADJUSTING SPEAKER/HEADSET AUDIO TREBLE LEVEL 5.9 CHECKING OR CHANGING THE ACTIVE PROFILE 5.10 CHECKING OR CHANGING THE SELECTED TALK GROUP 5.11 INTERCOM MODE 5.12 TALK GROUP LOCK OUT MM102014V1, Rev. G 5.12.1 Locking Out a Talk Group 5.12.2 Unlocking a Talk Group MM102014V1, Rev. G 5.12.3 Caution Regarding Profile Changes 5.13 SCAN MODE MM102014V1, Rev. G 5.13.1 Checking or Changing Active Scan Mode MM102014V1, Rev. G 5.13.2 Changing Priority Talk Group 5.14 SELECTIVE CALL MM102014V1, Rev. G 5.14.1 Making a Selective Call 5.14.2 Receiving a Selective Call 5.15 SELECTIVE ALERT MM102014V1, Rev. G 5.15.1 Sending Selective Alert Messages MM102014V1, Rev. G 5.15.2 Receiving Selective Alert Messages 5.15.3 Defining Pre-Programmed Messages 5.16 TELEPHONE INTERCONNECT CALLS MM102014V1, Rev. G 5.17 EMERGENCY COMMUNICATIONS 5.17.1 Declaring an Emergency Call or Alert MM102014V1, Rev. G 5.17.2 Silent Emergency 5.17.3 Clearing an Emergency Call or Alert 5.17.4 Receiving an Emergency Call MM102014V1, Rev. G 5.17.5 Dismissing an Emergency Call 5.18 DUAL-TONE MULTI-FREQUENCY KEYPAD MM102014V1, Rev. G 5.18.1 Password Entry MM102014V1, Rev. G 5.18.2 DTMF Overdial 5.19 ENCRYPTION 5.19.1 Automatic Encryption 5.19.2 Manual Encryption 5.20 PRESET BUTTONS 5.21 DYNAMIC REGROUPING 5.22 GPS COORDINATES 5.23 V-TAC FUNCTIONS MM102014V1, Rev. G 5.23.1 Extended Coverage Modes (XCOV & XCOV-TG) Page MM102014V1, Rev. G 5.23.2 V-TAC GPS Interlock MM102014V1, Rev. G 5.23.3 Scene-Of-Incident Mode (SOI) MM102014V1, Rev. G 5.23.4 Mobile-Only Mode (Mobile) 5.23.5 Manually Changing V-TAC Mode 5.23.6 Displaying V-TAC Information MM102014V1, Rev. G 5.24 ENGINEERING DISPLAY 5.24.1 Voice and Data Registration Codes 5.24.2 Transceiver Status Page 5.25 RECEIVE SIGNAL STRENGTH INDICATION (RSSI) 5.26 CONTROL BLOCK SYMBOL ERROR RATE (CBSER) 6 BASIC OPERATION IN OCF MODE 6.1 TURNING THE RADIO ON 6.2 TURNING THE RADIO OFF 6.3 PRESET BUTTONS 6.4 SQUELCH 6.5 SELECT MONITOR MODE MM102014V1, Rev. G 6.5.1 Setting Monitor Mode 6.5.2 Duration of Monitor Mode Selections 6.6 GROUP CALLS IN P25 (DIGITAL) MODE 6.7 EMERGENCY GROUP CALLS IN P25 MODE 7 BASIC TROUBLESHOOTING Page 8 WARRANTY