Setting Of Prompt Tone (Beep); Setting Of Backlight (Led) - Quanzhou 9900 Operation Instructions Manual

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.
Setting of Prompt Tone
The prompt tone is a function for confirming the operation prompt, operation error or fault status
of the product. You can set to enable or disable the prompt tone function in the product.
1. Shortly press the tuning knob (DIAL) to enter the context menu.
2. Rotate the tuning knob (DIAL) to select Item 20 on the context menu.
3. Shortly press the tuning knob (DIAL) to set the current context menu.
Rotate the tuning knob (DIAL) to select "OFF (turn-off ) or ON (turn-on)".
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.
Setting of Backlight
1. Shortly press the tuning knob (DIAL) to enter the context menu.
2. Rotate the tuning knob (DIAL) to select Item 21 on the context menu.
3. Shortly press the tuning knob (DIAL) to set the current context menu.
Rotate the tuning knob (DIAL) to select "OFF (turn-off), LED1 (red), LED2 (blue),
4.
LED3 (purple), LED4 (green), LED5 (yellow), LED6 (dark blue) or LED7 (white)".
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