Operation
Function Keys
Power
Automatic power off after 30 minutes. Alarm sounds 30 seconds before automatic power off. Press any key or change any function to cancel automatic power off. Defeat automatic power
off by holding 
key for 2 seconds while applying power.
Relative/Percent
Press | Action | Main Display | Secondary Display |
| Makes the displayed measurement | Each measured value relative to | Range |
| the reference | the reference value (difference) | |
|
| ||
| Calculates the percentage change | Each measured value as a |
|
| percent change of the reference | Range | |
| from the reference | ||
| value |
| |
|
|
| |
| Cancels the Relative/% function | Measurement value | Range |
Perform a zero adjust when using the 500 Ω range and displayed value is less than 99 by shorting the test leads and pressing this key. Cycle power to erase the stored zero adjustment.
