Roadi RDT51 - Manual (Page 45)

OWNER S MANUAL
,
OBD2 Car Scanner
41
CHECK
Tool Self-test
==========================1/2
Tool Self-test
==========================2/2
Keyboard Test
=============================
2). Select
Display Test from Tool Self-test menu and press ENTER
button.
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.
2). Press any key to start test. When you press a key, the key name
should be observed on the display. If the key name does not show up,
then the key is not functioning properly.
Press any key to
start test
key:
Double [ESC] to return
Display Test
Keyboard Test
Display Test
Keyboard Test