Operator's Manual

DATRON WORLD COMMUNICATIONS INC.
Guardian VHF Mobile
18
4. The radio automatically detects the KVL and KVL KEYFILL displays. If not,
check the connections, and repeat the steps.
5. Use the scroll buttons to highlight the desired key slot. To set the key slot
selection, press
Enter.
6. To verify the key identification, press
ID for the key ID display. Press TAG to
return to the key display.
7. Press
Enter to access the key transfer display.
8. Press
PTT on the KVL to initiate the key transfer. When the transfer is
successful,
SUCCESS KEY DATA UPDATED displays. If unsuccessful, FAILURE
KEY DATA NOT UPDATED
displays. Press Enter to return to the key tag or the
key ID displays.
9. To stop the transfer, press
Escape on the radio to return to the key tag or
the key ID displays.
10. Press
Escape or power off and on the radio to resume normal operation.
For more information regarding its operation, consult the KVL instruction
manual.
Troubleshooting
The following table of symptoms, possible causes, and suggested corrective
actions may be helpful. Consult authorized personnel for further guidance.
Symptom Probable Cause Corrective Action
Radio does not power on No power source Furnish power source
Cannot talk with other
users in plain mode
Radios programmed for
different frequencies, squelch
tones, talk-group IDs
Program radios to same
frequency settings
Background noise or other
conversations heard
Other users on channel or
improper squelch tone setting
Select another channel or
program squelch tones to
eliminate interference
Error message on display Operational error in radio Follow display
instructions
Alarm message on display Encryption alarm in radio Press PTT to clear alarm.
Ensure encryption key is
loaded into selected slot
Limited talk-out range Radio signal obstructed or
insufficient height above
terrain
Move away from large
metal objects or to higher
ground