User guide
S900 User Guide
YELLOW
AQUA BLUE
PURPLE
Press OK again, and you should see an all-white display.
Press OK again, and you should see an all-black display.
This indicates all colors are displayed and the S900’s color TFT
screen is operating properly.
To exit the TFT Test screen and return to the Auto Test Menu, press
OK repeatedly or press ESC at any time.
b) Audio Test
This option allows you to test if all the S900’s pre-recorded voice
messages are correct (i.e. “Thank you,” “Please try again,” etc).
Start at the Auto test Menu:
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