Tyco Electronics MM23772 9.20 EMERGENCY GROUP CALLS IN P25 MODE

MM23772, Rev. B

94

3. When the radio receives a P25 call, the radio will unmute and the ID of the transmitting radio will

appear in the display.

4. Press the PTT button to respond.

5. Unanswered calls will appear in the Who Has Called (WHC) list.

9.20 EMERGENCY GROUP CALLS IN P25 MODE

There is no method available for a system-wide Emergency clear. An emergency group call

must be cleared on each individual radio.

9.20.1 Declaring an Emergency Group Call

1. Select the desired P25 system and Talk Group/Channel.

2. Press the red emergency button on the top of the radio. The radio will broadcast a short emergency

transmission with the emergency bit set. “TXEMER” will appear in the display of the transmitting

radio.

3. While the PTT is NOT pressed, the mic will be open and the radio will broadcast an approximately 2

second transmission (e.g., background noise) which will be repeated at 10-30 second intervals.

4. Press the PTT to stop the short transmissions.

5. To send a voice message, press the PTT and speak into the microphone.

6. To clear an emergency from the transmitting radio, perform one of the following steps:

• Change systems.

• Change channels (if not prohibited by programming).

• Cycle power by turning radio off and then back on.

• Press the Clear and Emergency buttons simultaneously, providing the Clear Emergency option is

enabled in the Supervisory Options in the personality.

9.20.2 Receiving an Emergency Group Call

1. Select the desired P25 System and Talk Group/Channel.

2. When the radio detects an incoming Emergency Group Call, the radio will sound an alert tone and

“RXEMER” will appear in the display.

3. Voice or emergency transmissions will be heard at the receiving radio.

4. To clear an emergency from the receiving radio, perform one of the following steps:

• Change systems.

• Change channels (if not prohibited by programming).

• Cycle power by turning radio off and then back on.

• Press the Clear and Emergency buttons simultaneously, providing the Clear Emergency option is

enabled in the Supervisory Options in the personality.

Contents

Main MM23772, Rev. B Page Page Page Page Page Page Page 1 SAFETY CONVENTIONS MM23772, Rev. B 2 SAFETY TRAINING INFORMATION FCC OET Bulletin 65 Edition 97-01 Supplement C, Evaluating Compliance with FCC Guidelines for American National Standards Institute (C95.3 1992), IEEE Recommended Practice for the 2.1 RF EXPOSURE GUIDELINES DO NOT operate the radio without a proper antenna attached, as this may damage the radio and may 2.2 ELECTROMAGNETIC INTERFERENCE/COMPATIBILITY MM23772, Rev. B 3 OPERATING TIPS 3.1 EFFICIENT RADIO OPERATION 3.1.1 Antenna Care and Replacement 3.1.2 Electronic Devices MM23772, Rev. B 3.1.3 Aircraft 3.1.4 Electric Blasting Caps 3.1.5 Potentially Explosive Atmospheres MM23772, Rev. B 4 BATTERIES 4.1 CONDITIONING BATTERY PACKS 4.1.1 Conditioning NiMH battery packs 4.1.2 Conditioning NiCD Battery Packs 4.1.3 Additional Information 4.2 CHARGING BATTERY PACKS 4.3 BATTERY PACK USAGE MM23772, Rev. B 4.4 CHANGING THE BATTERY PACK 4.4.1 Removing the Battery Pack 4.4.2 Attaching the Battery Pack 4.5 BATTERY DISPOSAL MM23772, Rev. B 5 INTRODUCTION Page Page 6 OPTIONS AND ACCESSORIES MM23772, Rev. B 23 DESCRIPTION PART NUMBER 7 OPENSKY OPERATION 7.1 POWER ON/OFF AND VOLUME CONTROL 7.1.1 Power ON/OFF 7.1.2 Volume Control 7.2 CONTROLS MM23772, Rev. B 7.2.1 Buttons and Knobs Page 7.3 DISPLAY 7.4 RADIO STATUS ICONS 7.5 TRI-COLOR LED 7.6 LOG IN TO THE NETWORK MM23772, Rev. B 7.7 LOG OFF THE NETWORK 7.8 PERSONALITY 7.8.1 Profiles 7.8.2 Talk Groups MM23772, Rev. B 7.9 OPENSKY DISPLAY OVERVIEW 7.9.1 Displays Top Line 7.9.2 Displays Second Line 7.9.3 Dwell Display 7.10 ALERT TONES 7.11 BASIC MENU STRUCTURE Page Page Page Page Page MM23772, Rev. B 7.22 SCANNING 7.22.1 Selecting Scan Modes Page MM23772, Rev. B 7.23.1 Manually Dialing a Selective Call (P7270 Only) 7.23.2 Selective Call Using Speed Dial Page Page Page MM23772, Rev. B 7.26.1 Declaring an Emergency Call or Alert 7.26.2 Receiving an Emergency Call MM23772, Rev. B 7.26.3 Dismissing an Emergency 7.27 OPENSKY ENCRYPTION MM23772, Rev. B 7.27.1 Automatic Encryption 7.27.1.1 Using Automatic Encryption 7.27.2 Manual Encryption (P7270 Only) 7.27.2.1 Using Manual Encryption Page 8 EDACS OPERATION 8.1 TURNING ON THE RADIO 8.2 CONTROLS MM23772, Rev. B 8.2.1 Buttons and Knobs Page Page 8.3 DISPLAY 8.4 RADIO STATUS ICONS 8.5 TRI-COLOR LED 8.6 STATUS MESSAGES MM23772, Rev. B 8.7 ERROR MESSAGES DSP ERR ERR=XXXX ERR x 8.8 ALERT TONES Page Page Page Page MM23772, Rev. B 8.18.1 Menu Item Selection Process or to scroll nor is an additional press of the button required. 61 Table 8-4: Information Display MM23772, Rev. B 8.19 DIGITAL VOICE OPERATION 8.19.1 Clear Mode 8.19.2 Digital Mode 8.19.3 Private Mode Page MM23772, Rev. B 8.19.4.2 Transmitting an Encrypted Call 8.19.4.3 Scanned Group Calls 8.20 SCANNING TRUNKED GROUPS 8.20.1 Turning Scan On and Off Page Page 8.21 SCANNING TRUNKED SYSTEMS MM23772, Rev. B 8.22 EMERGENCY OPERATION 8.22.1 Receiving an Emergency Call 8.22.2 Declaring an Emergency Call 8.23 INDIVIDUAL CALLS 8.23.1 Receiving and Responding to an Individual Call Page Page Page MM23772, Rev. B 8.24.3 Dual-Tone Multi-Frequency: Overdial/Conventional Mode Page Page MM23772, Rev. B 8.29.1 Displays 8.29.2 DATA OFF Operation 8.29.3 DATA ON Operation 8.29.4 Exiting Data Calls MM23772, Rev. B 8.29.5 Scan Lockout Mode 8.29.6 Data Lockout Mode MM23772, Rev. B 9 PROJECT 25 (P25) CONVENTIONAL OPERATION 9.1 TURNING ON THE RADIO 9.2 CONTROLS MM23772, Rev. B 9.2.1 Buttons and Knobs MM23772, Rev. B 9.2.2 Keypad (P7250 Scan and P7270 System Models Only) Page 9.3 DISPLAY MM23772, Rev. B 9.3.1 Radio Status Icons 9.4 TRI-COLOR LED 9.5 STATUS MESSAGES MM23772, Rev. B 9.5.1 Error Messages DSP ERR ERR=XXXX 9.6 ALERT TONES 9.7 SYSTEM SELECTION Page Page Page Page 89 The TX POWER menu item, when selected, toggles LOW/HIGH power. It does not use or to scroll nor is an additional press of the button required. Table 9-3: Menu Item Information MM23772, Rev. B 9.17 DIGITAL VOICE OPERATION 9.17.1 Clear Mode 9.17.2 Digital Mode MM23772, Rev. B 9.17.3 Private Mode 9.17.3.1 Displaying the Currently Used Cryptographic Key Number 9.17.3.2 Key Zero MM23772, Rev. B 9.17.4 Private Operation 9.17.4.1 Receiving an Encrypted Call 9.17.4.2 Transmitting an Encrypted Call 9.17.4.3 Scanned Group Calls MM23772, Rev. B 9.18 GROUP CALLS IN P25 MODE 9.18.1 Transmitting a Group Call 9.18.2 Receiving a Group Call 9.19 INDIVIDUAL CALLS IN P25 MODE 9.19.1 Transmitting an Individual Call 9.20 EMERGENCY GROUP CALLS IN P25 MODE 9.20.1 Declaring an Emergency Group Call 9.20.2 Receiving an Emergency Group Call 10 CONVENTIONAL OPERATION 10.1 CONTROLS MM23772, Rev. B 10.1.1 Buttons and Knobs Page Page 10.2 DISPLAY MM23772, Rev. B 10.2.1 Radio Status Icons 10.3 TRI-COLOR LED 10.4 STATUS MESSAGES 10.5 ALERT TONES Page Page Page Page Page 107 Table 10-3: Menu Item Information MM23772, Rev. B 10.17 DIGITAL VOICE OPERATION 10.17.1 Clear Mode 10.17.2 Digital Mode Page MM23772, Rev. B 10.17.4 Private Operation 10.17.4.1 Receiving an Encrypted Call 10.17.4.2 Transmitting an Encrypted Call 10.17.4.3 Scanned Group Calls Page 11 TECHNICAL ASSISTANCE 11.1 IMMERSIBLE P7200 12 BASIC TROUBLESHOOTING BATTERY WARRANTY WARRANTY