MM23016, Rev. C
4
TABLE OF CONTENTS Page
7.17 ADJUSTING DISPLAY AND BUTTON BACKLIGHT BRIGHTNESS.................................28
7.18 STEALTH MODE ......................................................................................................................28
7.18.1 Enabling Stealth Mode ..................................................................................................29
7.18.2 Disabling Stealth Mode .................................................................................................29
7.19 ADJUSTING SIDE TONE AUDIO LEVEL..............................................................................29
7.20 CHANGE OPERATING MODE................................................................................................29
7.21 RECEIVING AND TRANSMITTING VOICE CALLS............................................................30
7.21.1 Receiving a Voice Call..................................................................................................30
7.21.2 Transmitting a Voice Call..............................................................................................30
7.22 ADJUSTING AUDIO TREBLE LEVEL ...................................................................................30
7.23 INTERCOM MODE ...................................................................................................................31
7.24 TALK GROUP LOCK OUT.......................................................................................................31
7.24.1 Lock Out a Talk Group..................................................................................................32
7.24.2 Unlock a Talk Group.....................................................................................................32
7.25 SCANNING................................................................................................................................32
7.25.1 Checking or Changing Active Scan Mode ....................................................................33
7.25.2 Scanning Priority...........................................................................................................34
7.26 MAKING SELECTIVE CALLS ................................................................................................34
7.26.1 Manually Dialing a Selective Call (System Model Control Head)................................35
7.26.2 Speed Dialing a Selective Call ......................................................................................35
7.26.3 Receiving a Selective Call.............................................................................................35
7.26.4 Terminating a Selective Call .........................................................................................35
7.27 SELECTIVE ALERT..................................................................................................................36
7.27.1 Sending Selective Alert Messages.................................................................................36
7.27.2 Receiving Messages.......................................................................................................37
7.27.3 Defining Pre-Programmed Messages ............................................................................37
7.28 TELEPHONE INTERCONNECT CALLS (SYSTEM MODEL CONTROL HEAD)..............37
7.28.1 Placing an Interconnect Call..........................................................................................37
7.28.2 Receiving an Interconnect Call......................................................................................38
7.29 EMERGENCY COMMUNICATIONS......................................................................................38
7.29.1 Declaring an Emergency Call or Alert ..........................................................................38
7.29.2 Silent Emergency...........................................................................................................39
7.29.3 Clearing an Emergency Call or Alert ............................................................................39
7.29.4 Receiving an Emergency Call .......................................................................................39
7.29.5 Dismissing an Emergency Call......................................................................................40
7.30 ENCRYPTION ...........................................................................................................................40
7.30.1 Automatic Encryption....................................................................................................40
7.30.2 Manual Encryption (System Model) .............................................................................41
7.31 PRESET BUTTONS................................................................................................................. ..42
7.32 DYNAMIC REGROUPING.......................................................................................................42
7.33 GPS COORDINATES ................................................................................................................42
8 P25/EDACS/CONVENTIONAL COMMON OPERATION ...........................................................43
8.1 CH721 FRONT PANEL COMPONENTS .................................................................................43
8.1.1 Primary Functions (Quick Access)................................................................................45
8.2 TURNING THE RADIO ON......................................................................................................45
8.3 SELECTION MODE RULES.....................................................................................................45