29
PTT
DOWN
UP
Lock
Speaker
Numeric Keys
DTMF ON/OFF
Microphone Operation
You can operate the transceiver by keypad or input desired frequency
or channel through the QHM-03 microphone (Note:In professional
transceiver mode, other keys are invalid except PTT, [
/
,
]
and
).
Keypad Lock
Pull down the slide switch to lock position, the lamp is turned off and
all of keypads is not work except PTT switch.
Transmitting DTMF By Microphone KeyPAD
Slide DTMF key to DTMF position, press and hold the [PTT] key,
transmitting the desired DTMF signaling by the numeric key directly.
(Note:Slide DTMF key to DTMF position, the keyboard is invalid in
standby).
Function Setup By Microphone Keypad
Switches between VFO and channel mode
Squelch Level
1.
In standby, press
, then press
, LCD displays "
SQL
" and
current squelch level.
2.
Press
/
to adjust the desired squelch level. (press
, then press
, turn selector knob also can adjust the
desired squelch level.
3.
Optional signaling
In standby, press
, then press
to add optional signaling, repeat
above operation to set DTMF, 2TONE or 5TONE signaling.
displays "
D
", it indicates DTMF
function enable.
displays "
T
", it indicates 2Tone
function enable.
In standby, press
key to switch between channel mode and
Frequency mode (VFO).
Short Calling
In standby, press
to transmit the selected DTMF/2TONE/5TONE
in current channel.
Transmitting DTMF Code
:In standby, press
, LCD displays DTMF
data and group. Press [
/
] key to select the desired
transmitting DTMF group, then Press PTT to transmit.
If no DTMF data in current group, LCD displays "EMPTY", press
key
again and input desired DTMF code by keypad, press PTT to transmit
and store DTMF data.
Summary of Contents for DB477C
Page 1: ...1 DB477C Version 3 ...
Page 39: ...39 Notes ...