Key Operations; Squelch Off/Squelch Off Momentarry; Frequency/Memory Scan; Memory Scan - Alinco DR-138 Instruction Manual

6

KEY OPERATIONS

squelch off/squelch off momeNTARY
1.
Squelch Off: Press
to resume squelch. This is set by programming software as an
option.
2.
Squelch Off Momentary: Press and hold
release key to resume squelch.This is factory default operation.
The above functions can be set in by software only, not by key
operation.

Frequency/MEMORY Scan

Frequency Scan
Scans all VFO frequencies in regard to the preset tuning step.
1.
In VFO mode, press
13
start scanning.
2.
Turn Main Dial or press Microphone [
change scan direction.
3.
Press any key except
MEMORY Scan(channel scan)
Scans all memory channels unless Memory skip feature is selected for a
given memory.
1.
In memory mode, press
scan
2.
Turn selector knob or press Microphone
[ / ] key to change scan
direction.
3.
Press any key except
key to disable squelch, press
key to disable squelch,
for 1 second to
/
and key to stop.
key for 1 second to enter into channel
and key to exit.

CTCSS/DCS Encode and Decode setup

Many repeaters require a CTCSS tone or
key again
a DCS code encode setting as a "key" to
access the system, so-called "selective-
calling". Sometimes, CTCSS or DCS
decode features are used on the output of a
repeater so they can be used as a squelch.
In this mode, regardless of the main squelch
status, the audio can be heard ONLY when
the matching tone/code signal is received.
The combination of CTCSS squelch and
DCS function is not available; only one or the other may be used for a
given channel.The operation is available on VFO and memory mode.
Dealer-Preprogrammed units can't operate this function manually. In
the memory mode, the setting is temporary; changing the channel or
turning off the radio will erase the setting.
1.
Press
DCS icons and relative frequency/code. Press the same key to
] key to
select T/SQ/DCS setting.
2.
The numbers (such as 88.5) represent the CTCSS frequency in
Hz. When it is displayed with the
the sub-audible tone while the PTT is pressed (encode) and the
repeater access is enabled (assuming the repeater is using 88.5Hz
tone).
3. Press the same key again so that the
display. This is the CTCSS decode frequency. This enables CTCSS
squelch (or Tone Squelch, TSQ).
4. Press it again so that the 3-digit number and
This is the DCS code, and it enables DCS encoding and decoding.
For 2-4, rotate the main dial or press the [
change tone or code. Press any key ( Except FUNC / PWR / TS / DCS,
key. The current setting will be displayed with T/SQ/
icon only, the unit transmits
icon shows up on the
icon is displayed.
/ ] keys to