Motorola GT10 - Manual (Page 113)

GT10/GT30 5.3 Entering Configuration Settings from the GT10
90
Test mode screen
Procedure for bringing up the screen
[Initial screen]
↓
[Test] key
Touch SW
This runs an operation check of the touch switches.
B. Light
The color of the backlight changes at one–second intervals (in sequence from green
a red a green a orange).
Buzzer
This runs an operation check of the buzzer.
LCD
This displays a pattern and runs an operation check of the display.
Contrast
Touch the [+] and [–] keys to check changes in the contrast.
SHORTCUTS
[RETURN]To complete the settings and return to the previous screen,
touch the [ESC] key.
EXPLANATION
Test mode (self–diagnosis) screen
On the Test Mode screen, a dot appears next to the key switches of
items that have been tested. (The dots are cleared when the screen
is returned to the initial screen of the system menu.)