SIG
L
ENT
50 SDM3055 Digital Multimeter
Board Test
SDM3055 provides self-test functions, including Key Test, LCD Test, Beeper
Test and Chip Test.
Operating Steps:
1. Press and , then choose
【
Test/Admin
】→【
Board Test
】
to enter the following interface.
Diagram 2- 46 Board Test Interface
Table 2- 17 Board Test Function Description
Function Menu
Description
Key
Test the instrument’s keys.
LCD
Test the instrument’s LCD screen.
Beeper
Test the instrument’s beeper.
Chip
Test the instrument’s chips.
Done
Return the higher level menu.
2. Test the keys.
Select
【
Key
】
to enter the key test interface, as the Diagram 2-47 shows. The
on-screen lathy rectangle shapes represent the keys on the front panel. Test
all keys and knobs and you should also verify that all the backlit buttons
illuminate correctly.