8. The Menu
125
The phone then clears the display and moves the filled area from bottom to top:
Each transition takes one to two seconds; the test time for the transitional screens is about
15 s.
Finally, the phone fills the display with the Zultys logo:
The phone transitions the contrast from its current value, to the maximum value, then to the
minimum value, and back to the original value. This test takes ten seconds.
The phone repeats the test of the LCD by showing the triangular patterns.
2. Press Menu, Esc, or OK to exit the test. If you press Menu, the phone exits the menu system.
If you press OK or Esc, the phone displays the Self Test menu shown in section 8.6.1 on page
119. After the test, the phone restores the contrast setting in effect prior to the test.
8.6.7 Audio
This option tests the audio paths (microphones and speakers) on the phone. The phone prompts
you to speak into a microphone, then replays what you spoke. This is a subjective test, but you
can perform a quantitative test by using external test equipment to generate and receive the
sounds.
To perform the LEDs test:
1. Select Menu | Self Test | LEDs. The LCD displays:
2. After two seconds, the phone plays a double beep into the handset, then records the next 10
seconds of your speech into the handset. It shows a progress bar on the second row of the
display. In the following example, the phone has recorded 7.5 seconds of speech:
After recording for 10 seconds, the phone plays a beep into the handset. The phone is silent
for one second and then plays a tone that sweeps from 300 Hz to 3 kHz in three seconds.
Test | Audio
Speak to handset
Test | Audio
••••••••••••
Speak to handset
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