Roadi RDT51 - Manual (Page 139)

OWNER S MANUAL
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OBD2 Car Scanner
135
CHECK
System Setup
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Tool Self-test
The Tool Self-test function checks if the display and keyboard
are working properly.
A. Display test
The Display Test function checks if the LCD display is working
normally.
1). From
System Setup menu, use UP/DOWN scroll button to select
Tool Self-test, and press ENTER button.
2). Select
Display Test from Tool Self-test menu and press ENTER
button.
Language
Contrast
Unit of Measure
Auto Power-off
Beep Set
Tool Self-test
Tool Self-test
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3). Press
ENTER button again to start test. Look for missing spots in the
solid black characters.
4). When completed, press
ESC button to return.
B. Keyboard Test
The Keyboard Test function verifies if the keys are functioning properly.
1). Use
UP/DOWN scroll button to select Keyboard Test from the
Tool Self-test menu, and then press Enter button.
Display Test
Keyboard Test
Tool Self-test
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Display Test
Keyboard Test