True-rms Multimeter
Performance Tests
7
Display Test
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Push K and turn the rotary switch to the e position. Compare the display with the example in Figure 3.
Check all segments for clarity and contrast.
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Push K and turn the rotary switch to the k CHEK position. Compare the display with the example in 
Figure 3. Check all segments for clarity and contrast. 
Figure 3. Display Segments
Backlight Test
To test the backlight, press Q and verify that the backlight turns on.
Keypad Test
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To test the keypad:
1. Turn the rotary switch to 
.
2. Push each button separately. 
Each button push should cause the Meter to beep and activate a display annunciator.
3. To reset the Meter, turn the rotary switch to Off and then back to the On position.
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To test the keypad:
1. Turn the Meter to Ω
  
2. Push each button separately. 
Each button push should cause the Meter to beep and activate a display annunciator. 
3. To reset, turn off the Meter, and then back to any function position.