Utility Menu
217
23.7.3
LED Test
LED test is used to test the LEDs.
1.
Press the
Utility
key on the front panel to enter the Utility menu.
2.
Touch
Do Self Test
to enter the Self test menu.
3.
Press the
LED Test
softkey to enter the keyboard test interface, as the picture shown below.
Figure 23.8
LED Test
4.
According to the prompting information displaying on the screen, press the
Single
key continually to light the key
lights one by one. The first time to press the
Single
key, the
Run/Stop
key displays red, and the second press the
Run/Stop
key displays green. Then the other key lights will be lighted one by one. At last all the lights will be
lighted at the same time.
5.
Press the
Run/Stop
key to exit the LED test program