User Manual
Table Of Contents
- 1 SAFETY SYMBOL CONVENTION
- 2 RF ENERGY EXPOSURE INFORMATION
- 3 OPERATION SAFETY RECOMMENDATIONS
- 4 OPERATING RULES AND REGULATIONS
- 5 PRODUCT DESCRIPTION
- 6 OPERATION
- 6.1 TURN THE RADIO ON
- 6.2 CH-721 FRONT PANEL COMPONENTS
- 6.3 KEYPAD LOCK/UNLOCK
- 6.4 RADIO STATUS ICONS
- 6.5 RADIO MESSAGES
- 6.6 ALERT TONES
- 6.7 MENU
- 6.8 FEATURE ENCRYPTION DISPLAY
- 6.9 SYSTEM/GROUP/CHANNEL SELECTION
- 6.10 LAST SYSTEM/GROUP/CHANNEL RECALL
- 6.11 MACRO KEY OPERATION
- 6.12 RECEIVE A CALL
- 6.13 TRANSMIT A CALL
- 6.14 EMERGENCY OPERATION
- 6.15 ENCRYPTION
- 6.16 WIDE AREA SYSTEM SCAN (TRUNKED ONLY)
- 6.17 PROSCAN
- 6.18 PRIORITY SYSTEM SCAN
- 6.19 SCAN OPERATION
- 6.20 INDIVIDUAL CALLS (P25 MODES ONLY)
- 6.21 STATUS/MESSAGE OPERATION (P25 TRUNKED)
- 6.22 SQUELCH ADJUST (CONVENTIONAL)
- 6.23 TALK-AROUND (CONVENTIONAL)
- 7 BASIC TROUBLESHOOTING
- 8 TECHNICAL ASSISTANCE
- 9 KEYPAD REMAPPING
- 10 RADIO SETUP
14221-1200-2000, Rev. A
14
Table 6-1: Front Panel Default Controls and Functions
PART FUNCTION
Power On-
Off/Volume Control
knob
Turn knob clockwise to power on the radio and increase volume.
Turn counter-clockwise to decrease volume and power off the radio.
Mic Connection Connection for hand-held, hands-free, speaker-mic, or headset.
Declares an emergency, if enabled through programming.
Ambient Light
Sensor
Radio automatically adjusts the display and button backlight brightness level based on
ambient light. Do not block this sensor.
This rotary switch selects the systems or groups/channels, depending upon programming.
This rocker type button is used to display the current SCAN status for a group/channel and
then add or delete the group/channel from the system scan list.
Pressing the add/delete
button twice while the radio is actively receiving or three times when
the radio is not receiving selects the last scanned channel (Last Scanned Channel Recall).
The primary function of this rocker type button is to scroll through the System list or the
Group/Channel list depending upon programming.
The secondary function is to increment or decrement items within a list (phone list for
example).
OPT/OPTION
Toggle a PC programmable feature ON and OFF.
CLR/CLEAR
E
xits the current operation and removes all displays associated with it. The radio and display
then return to the group receive state.
In Conventional mode, pressing this button unmutes the receiver so activity on the selected
channel can be monitored.
MENU
Primary function -
access the menu list. This is a list of additional features not available
directly from the keypad.
Secondary function - activate a selected item within a list, similar to an enter key.
SCAN
Toggles scan operation ON and OFF.
Pre-Set buttons
A, B, & C
Used to store and recall user-selectable parameters.
SYS
Used to enter the System select mode.
GRP
Used to enter the Group select mode.
STS
Permits the transmission of a pre-programmed status message to a P25 Trunked site.
MSG
Permits the transmission of a pre-programmed message to a P25 Trunked site.
DIS
Used to adjust the current display intensity and the keypad backlight level.
IND
Used to call an individual or make an all-call by selecting the individual call function.
6.3 KEYPAD LOCK/UNLOCK
1. Scroll through the menu until “KEY LOCK” is displayed.
2. Press MENU.
Press MENU and OPTION to unlock the keypad.