Datron World Communications Inc G25RMV100 Benutzerhandbuch

Seite von 26
D A T R O N   W O R L D   C O M M U N I C A T I O N S   I N C .  
Guardian VHF Mobile 
2
Service Manual (G25AMK003) 
The service manual is used to assist trained technicians in locating technical 
problems. 
Quick Start 
The Guardian radio requires initial setup by qualified personnel using the 
Guardian programming software.  
1. 
Power availability
.  Power is supplied by starting the vehicle engine.  
2. 
Select speaker
.  Set the speaker switch to 
I
 for internal speaker 
operation, 
E
 for external, or 
B
 for both speakers simultaneously.   
3. 
Power on
.  Turn the power-volume knob clockwise about half way 
around.  When a transmission is heard, set the volume to a comfortable 
level.  There is a 5-second delay on power up for the radio self-test. 
4. 
Select channel
.  Turn the channel knob until the desired channel 
displays.  
5. 
Receive
.  The first volume knob position mutes the speaker for silent 
operation.  Other positions control the speaker volume. 
6. 
Transmit
.  Install the palm microphone using the microphone jack on 
the front panel.  Press the 
PTT
 button and speak about 4 inches away from 
the microphone.  Release the 
PTT
 button when finished speaking.  
Features and Specifications 
The Guardian mobile 256-channel (4 banks, 16 zones) radio provides multi-
mode plain and secure communications in the 136-174 MHz spectrum.  
Premium standard features include data encryption standard (DES) single-bit 
cipher feedback (SBCF) analog encryption, high-output LCD, tri-color LED 
status indicator, 16-position rotary volume and channel knobs, programmable 
switch and function buttons, speaker switch, and indicator.  Channels can be 
individually programmed for 25 kHz wideband or 12.5 kHz narrowband 
operation, analog or digital, plain or encrypted, with transmitter power settable 
from 20W to 50W in five steps.  Up to seven shadow channels can be 
programmed for any channel providing all-mode radio performance.  Sixteen 
encryption keys can be stored in the radio.