Factory Default - Extech Instruments PRC50 User Manual

7.4 Setting CMSET
Step 1: Use the (MODE) key to move to the "CMSEt" parameter at the top of the LCD (if it's not already displayed).
Step 2: From selections (PCM, DPM) select DPM using the right pair of 〔 〕/〔 〕keys.
Step 3: To save the setting, press the (ON) key and the LCD will show the "SAVE" symbol.

7.5 Factory default

Step 1: Use the (MODE) key to move to the "FACry" parameter at the top of the LCD (if it's not already displayed).
Step 2: Press the (ON) key to revert to the default values as shown below:
AP.OFF: 10 minutes
BL.OFF: 10 seconds
FRSET: 50 Hz
CMSET: PCM
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