6. Functions test:
6.1. Switch the CH/ON key to corresponding channel, and the SELECT has
corresponding variation.
6.2. Switch the CH/ON key to Lock, the SELECT functional key will be useless; it
need switch to UN Lock1, the SELECT key can work normally.
6.3. In standby condition, press SELECT key for 2 seconds, it is in MUTE mode, the
entire functional keys will be out of control, the TONE has no output, press the
SELECH key for 2 seconds to disactivate the unit or press the CH/ON to close it.
7. Displaying test: when switch the functional key, the display will appear the
corresponding variation, and check the display is normal or abnormal.
8. Low voltage test: when it is 2.0V±0.2V, the display will appear the low voltage; when
the voltage is below 1.8V, the unit will be closed automatically.
9. Total consumption current: when the power is in PL2, the consumption is below
125mA.
10. Turn off the power supply (press the ON/OFF for 2 seconds), the LED lights up,
after the LCD display CH, the LED light will be decreased.
11. Charge test:
11.1 When the unit is charging, the current is 135mA±15mA.
11.2 When the unit is charging, the LCD will appear the battery symbol and rotate up
and down.
11.3 During charging, the voltage of battery have rise trend. (increase)
Note:
1. When the unit is charging, it must be added the load (battery).
2. Please use the professional battery charger.
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