MM23772, Rev. B
6
TABLE OF CONTENTS Page
8.24 TELEPHONE INTERCONNECT CALLS................................................................................71
8.24.1 Receiving a Telephone Interconnect Call......................................................................71
8.24.2 Sending a Telephone Interconnect Call.........................................................................71
8.24.3 Dual-Tone Multi-Frequency: Overdial/Conventional Mode.........................................72
8.25 PROGRAMMABLE ENTRIES.................................................................................................73
8.25.1 Pre-Storing Individual and Telephone Interconnect Calls from the Keypad.................73
8.26 STATUS/MESSAGE OPERATION..........................................................................................73
8.26.1 Status Operation ............................................................................................................73
8.26.2 Message Operation........................................................................................................74
8.27 DYNAMIC REGROUP OPERATION......................................................................................74
8.27.1 Emergency Operation....................................................................................................74
8.28 MACRO KEY OPERATION.....................................................................................................74
8.29 PORTABLE DATA....................................................................................................................74
8.29.1 Displays.........................................................................................................................75
8.29.2 DATA OFF Operation...................................................................................................75
8.29.3 DATA ON Operation.................................................................................................... 75
8.29.4 Exiting Data Calls..........................................................................................................75
8.29.5 Scan Lockout Mode.......................................................................................................76
8.29.6 Data Lockout Mode.......................................................................................................76
9 PROJECT 25 (P25) CONVENTIONAL OPERATION ...................................................................77
9.1 TURNING ON THE RADIO.....................................................................................................77
9.2 CONTROLS...............................................................................................................................77
9.2.1 Buttons and Knobs.........................................................................................................78
9.2.2 Keypad (P7250 “Scan” and P7270 “System” Models Only).........................................79
9.3 DISPLAY................................................................................................................................... 81
9.3.1 Radio Status Icons.........................................................................................................82
9.4 TRI-COLOR LED......................................................................................................................83
9.5 STATUS MESSAGES............................................................................................................... 83
9.5.1 Error Messages.............................................................................................................. 84
9.6 ALERT TONES..........................................................................................................................84
9.7 SYSTEM SELECTION..............................................................................................................84
9.8 GROUP/CHANNEL SELECTION............................................................................................85
9.9 MODIFY SCAN LIST ...............................................................................................................85
9.9.1 P7270 System Model.....................................................................................................85
9.9.2 P7250 Scan Model.........................................................................................................86
9.10 NUISANCE DELETE (SYSTEM MODEL) .............................................................................86
9.11 BACKLIGHT ON/OFF..............................................................................................................86
9.12 CONTRAST ADJUST............................................................................................................... 86
9.13 DECLARING AN EMERGENCY.............................................................................................87
9.14 LOCKING/UNLOCKING KEYPAD........................................................................................ 87
9.15 HIGH/LOW POWER ADJUSTMENT......................................................................................87
9.15.1 Using the Menu Button..................................................................................................87
9.15.2 Using the Pre-Programmed Option Button....................................................................87
9.16 MENU ........................................................................................................................................87
9.16.1 Menu Item Selection Process.........................................................................................88
9.17 DIGITAL VOICE OPERATION............................................................................................... 90
9.17.1 Clear Mode....................................................................................................................90