• When DTMF transmission maintenance function is activated, transmission mode can remain without pressing microphone PTT key
continuously. However, transmission mode only remains for 2s after pressing the key. If no any operations, the mobile radio will stop
transmitting.
DTMF Monitor
DTMF tone from the speaker can’t be heard when pressing microphone DTMF key. But if needed, the DTMF tone can be monitored.
1.Press FUN, MHZ/SET key in turn, then rotate the coding knob to choose menu number 32 (DT.M).
2.Press MHZ/SET key and rotate the coding knob to choose ON or OFF (default).
3.Press MHZ/SET key to save settings, or press any other key to cancel.
4.Press any other key to exit menu mode, except MHZ/SET key.
DTMF Transmission Maintenance
When the function is activated, the mobile radio will remain transmission mode for 2s. You can release microphone PTT key when
transmitting DTMF tone.
1.Press FUN, MHZ/SET key in turn, then rotate the coding knob to choose menu number 29 (DT.H).
2.Press MHZ/SET key and rotate the coding knob to choose ON or OFF (default).
3.Press MHZ/SET key to save settings, or press any other key to cancel.
4.Press any other key to exit menu mode, except MHZ/SET key.
Auto Dial-up
Use 10 specific DTMF memory channels to save DTMF numbers instead of remembering a long string of numbers.
Save DTMF Numbers in Memory Channel
1.Press FUN, MHZ/SET key in turn, then rotate the coding knob to choose menu number 27 (DTMF.MR).
2.Press MHZ/SET key and rotate the coding knob to choose the needed DTMF memory channel number (0 to 9). Also, microphone
UP/DWN key can be used to choose DTMF memory channel.
3.Press MHZ/SET key.
• DTMF code is input and the first number appears on the screen and flashes.
4.Rotate the coding knob to choose DTMF codes.
• Use microphone keyboard to input DTMF codes is also available, and it only needs to press the corresponding DTMF codes on the
keyboard.
• * is replaced with E and # is replaced with F on the screen.
5.Press MR key to choose DTMF codes and move the cursor to the next one.
• Press VFO key to move the cursor the former one. Press FUN key to delete bits of the current cursor position.
6.Repeat step 4 and 5, up to input 16 bits.
7.Press MHZ/SET key to finish inputting.
• Press any key to cancel input, except MR, VFO, FUN and MHZ/SET key.
• Finish inputting with the lack of 16 characters, press MHZ/SET key twice.
8.Press any other key to exit menu mode, except MHZ/SET key.
Check the Saved DTMF Numbers
1.Press FUN, MHZ/SET key in turn, then rotate the coding knob to choose menu number 27 (DTMF.MR).
2.Press MHZ/SET key and rotate the coding knob to choose the needed DTMF memory channel number (0 to 9) . Also, microphone
UP/DWN key can be used to choose DTMF memory channel.
3.Press REV key.
• Numbers that saved in the channel is rolling display on the screen and the speaker comes out DTMF tone (not transmitting DTMF tone).
4.Press any other key to exit menu mode, except REV and MHZ/SET key.
Transmitting the Saved DTMF Numbers
1.Press microphone PTT and microphone PF/D key.
2.Release microphone PF/D key (continue to press microphone PTT key), then press keys (from 0 to 9) to transmit DTMF numbers saved
in the channel.
• To transmit D tone, press microphone PF/D key again.
• Numbers that saved in the channel is rolling display on the screen and the speaker comes out DTMF tone. (If the menu number 32 (DT.M)
is set as OFF, DTMF tone is not come out).
• Frequency is displayed on the screen again after transmitting.
3.Release microphone PTT key.
Note:
• If empty DTMF memory channel is selected and MHZ/SET key is pressed, frequency will be restored to display on the screen.
• In step 2, if the coding knob is rotated or microphone UP/DWN key is pressed, DTMF memory channel can be previewed.
Adjust DTMF Tone Transmission Speed
1.Press FUN, MHZ/SET key in turn, then rotate the coding knob to choose menu number 28 (SPD).
2.Press MHZ/SET key and rotate the coding knob to choose FA (Fast Speed) or SL (Slow Speed).
• FA tone continuous time is 50msec and SL is 100msec.
3.Press MHZ/SET key to save settings, or press any other key to cancel.
4.Press any other key to exit menu mode, except MHZ/SET key.
Adjust Pause Duration Time
Change pause duration time saved in memory channel (void). Default setting is 50msec.
1.Press FUN, MHZ/SET key in turn, then rotate the coding knob to choose menu number 30 (PA).
2.Press MHZ/SET key and rotate the coding knob to choose 100, 250, 500 (default), 750, 1000, 1500 or 2000msec.
Frequency（Hz）
697
770
852
941
1209
1
4
7
*
1336
2
5
8
0
1477
3
6
9
#
1633
A
B
C
D
14
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