User manual
SIGLENT
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.