Selection Of Dtmf Transmission Mode - Quanzhou 9900 Operation Instructions Manual

1. Press the【PTT】key on the handheld microphone
2. Press the keys in the keypad zone in sequence to transmit DTMF voice frequency.
Frequency (Hz) 1209
697 [1]
770 [4]
852 [7]
941 [*]
2. Auto code transmission
There are three ways to realize the automatic transmission of DTMF frequency block.

Press PTT to transmit code.

Release PTT to transmit code

Press or release PTT to transmit code.
1. Shortly press the tuning knob (DIAL) to enter the context menu.
2. Rotate the tuning knob (DIAL) to select Item 10 on the context menu。
3. Shortly press the tuning knob (DIAL) to set the current context menu.
4. Rotate the tuning knob (DIAL) to select "OFF, BOT (press for code transmission), EOT
(release for code transmission) or BOTH (code transmission by either pressing or
releasing)".
5. Shortly press the tuning knob (DIAL) to confirm the storage of the required value .Or
shortly press 【EXIT】to return to the context menu mode without storage.
6. Shortly press 【EXIT】to exit the context menu mode.
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