1. Press key to enter main menu.
2. Press key or key to choose function.
3. Press key to choose value.
4. Press key or key to store and exit.
When check DTMF code, press PTT will send current
DTMF code.
To revise DTMF code, press key and then press
key to enter edit mode.
Input DTMF code by number keys , then press PTT to
transmit the code and store
.
05
06
1. After install PC software, click "Start "menu in
computer, under “ALL PROGRAMS” menu, choose
and click “USB To Com port” in DB20-G program,
install “USB To Com port” driver by indication.
2. Connect the optional USB Programming cable.
3. Click "DB20-G" programm under "ALL PROGRAMS"
menu. click "OK" to start programming software.
4.15 How to Install Driver and Start
Programming
When setting DCS code, key is for switch
between positive and inverse code
When setting DCS code, key is for switch
between Positive and inverse code. key is for
choose special DCS.
In DTMF check mode
5. SHORTCUT OPERATION
Press microphone key and then press number key
to fast enter following functions, then press
key to select the value. Presss
key or key for
storing.
6. FUNCTION SETTING
6.1 By Front Panel Key
1. Press key and then press key to enter menu.
2. Press key or key to choose function.
3. Press key to choose value.
4. Press key to store and exit.
6.2 By Microphone Key
+
+
+
+
+
+
+
+
+
+
Combination Key
Function list
No.
1
2
3
4
Function name
Squelch level setting
Optional signaling setting
Scan Skip
Scan
Function list
3
4
5
6
7
10
11
12
15
16
TX/RX CTC/DCS
Optional signaling
Squelch mode
Step size
Band width
Busy channel Lock
Channel name
TX OFF
Compander
NC(Noise reduction)
67Hz~254.1Hz,
000N~777I
OFF,
DTMF,
2Tone,
5Tone
SQ, CT/DCS, Tone,
C&T, C/T
2.5K~50K
WIDE
(
25K
)
,
NARROW
(
12.5K
)
OFF, REPEATER,
BUSY
0~z
ON,OFF
ON,OFF
ON
、
OFF
No.
1
2
Function name
TX/RX CTC/DCS
RX CTC/DCS
Setting value
67Hz~254.1Hz,
000N~777I
67Hz~254.1Hz,
000N~777I
Combination Key
No.
5
6
7
8
9
10
Function name
Busy channel lockout
Time out timer
Sub channel on/off switch
Function Menu
LCD brightless
DTMF Code check
/
Содержание DB20-G
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