User's Manual

g) Lock Selection MODE
This feature prevents accidental channel change and disturbance to the
preferred settings of the Communicator. Lock temporarily disables the Up, Down
Vox,WX and Mode/Scan Buttons.
- Press the Lock Button until the lock icon appears in the LCD panel.
- Press the Lock Button to confirm the other menu moving with your selection.
5) Adjustment
a) Frequency synthesizer (PLL)
a. After connecting the power meter and dummy load (50), join the antenna
connector of MURS with above equipment.
b. Check the voltage between TP1 & GND in digital volt meter.
c. Then set the low channel of MURS the lowest frequency.
d. After pressed PTT key of MURS,trimmer CV71 for adjusting the lowest
frequency of Rx channel to DC 1.0V in the voltage of TP1.
e. After releasing the PTT key, and then check if the highest frequency of Rx
Channel is range DC 1.0~2.5V in the voltage of TP,
f. WX with above equipment
The lowest frequency of Rx channel to DC 1.2V in the voltage of TP1.
b) Transmitter
a. Connect EUT & measure equipment according to block diagram below.
POWER SUPPLY
EUT
AF OSCILLATOR
POWER METER DUMMY LOAD
AV VTVM
MODULATION METER
OSCILLOSCOPE
DISTORTION METER
SPECTRUM ANALYZER
FREQUENCY COUNTER