Selection Of Dtmf Transmission Time - Quanzhou 9900 Operation Instructions Manual

 Selection of DTMF transmission time
You may change the pause during the transmission of DTMF codes.
1. Shortly press the tuning knob (DIAL) to enter the context menu.
2. Rotate the tuning knob (DIAL) to select Item 25 on the context menu.
3. Shortly press the tuning knob (DIAL) to set the current context menu.
Shortly press the tuning knob (DIAL) to select "50MS, 100MS, 150MS or 200MS".
4.
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.
Shortly press 【EXIT】to exit the context menu mode.
6.
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