Basic Operations - Alinco DR-138 Instruction Manual

6

Basic Operations

Switching The Power On/Off
According to the option selected during
installation, press the
ignition key to ACC (speed up) or ON (startup)
position to power on. Press the
turn the ignition key to OFF position to turn off.
Adjusting The Volume
Turn the VOL knob clockwise to increase
the audio level, counterclockwise to decrease.
Press and hold MONI key to hear a white-noise to set the proper audio level.
11
Switch between VFO and MEMORY mode
In standby, press key or Microphone's
key until appear , this indicates current
frequency in Memory mode. Repeat above
operation to switch between Frequency mode
(VFO) and Memory mode.
Adjusting Frequency/Channel THROUGH SELECTOR KNOB
1.
Under frequency (VFO) mode, you can
change the current frequency to the
desired one through selector knob; Turn
clockwise to increase frequency; turn
counterclockwise to decrease. Every
click will increase or decrease one step.
Press key, the KHz order digits will
MHz
switch or turn the
key for 1s or
Min
Volume
Frequency
Dial
be masked. In this status, turn selector knob or Microphone
[
by 1MHz step.
2. Under channel mode, you can change the current channel to the
desired one through selector knob, clockwise turn to the forward
channel, anticlockwise turn to the backward channel. In relative
PWR KEY Operating mode, Microphone's [
function for adjusting frequency and channel.
5k, 6.25k, 8.33K,10k, 12.5k, 20k, 25k, 30k and 50k .
ADJUSTING SQUELCH LEVEL
Max
Volume
A squelch eliminates white-noise (the background noise when a signal
is not received). Higher level settings will keep the squelch "closed" more
tightly for quieter monitoring, but weak signals will not be heard. Lower
settings allow weaker signals to "open" the squelch but noise may also
cause it to open. By rotating the SQL knob, adjust the squelch level to
the desired level.
Receiving
Select the desired receiving frequency or browse frequencies to listen to
ongoing communications. The S-meter shows
relative signal strength between BUSY and
5th segment when the transceiver detects an
incoming signal.
Frequency
decrease increase
Transmitting
Press and hold
to confirm the channel desired is not busy. Release
key to return standby status,Then press and hold [PTT] key to speak
into microphone.
/ ] key will increase or decrease frequency quickly
key or press MIC's
MONI
/ ] key has the same
key to monitor for a while
or press Mic's
MONI