PDA User Manual

A-5
Demo Program
Diagnostics
Select Diagnostics to display the following dialog box:
Figure A-4. Diagnostics Dialog Box
This dialog box provides testing to ensure various aspects of the terminal are functioning
correctly. The following options are available:
LED Test tests the green decode LED-on and LED cycle to ensure it is functioning
properly. This option also allows you to view the state of the LED (on or off).
Key Check identifies each button on the terminal (except the Scan buttons) when
each button is pressed.
Display tests the pixels on the screen.
I/O Ctrl tests the external power supply, and gets and sets the VCC state.
Setup Menu returns to the Setup dialog box.
Main Menu
This option returns you to the demo’s Main Menu.