Automatic Sleep Mode And Battery Replacement - Extech Instruments Extech 380976 User Manual

Automatic Sleep Mode and Battery Replacement

The Meter is powered by a 9V battery. An AUTO SLEEP feature is included to preserve battery life.
Note: The Auto Power OFF feature is disabled when the meter is in the MIN/MAX mode
Note: In the sleep mode the meter continues to draw a small amount of battery current. Always turn
the function switch to the OFF position when storing the meter.
Note: To restore operation after the sleep mode has engaged, turn the function switch to the OFF
position and then back to the function desired.
Auto Sleep Disable
The meter automatically goes to sleep mode after 30 minutes to conserve battery energy. To defeat
this feature:
1. Turn the meter OFF.
2. Press and hold the HOLD key while turning the selector switch to the AC Amps position.
3. Release HOLD when the clock icon appears on the LCD.
Battery Replacement
To prevent electrical hazard or shock, turn off the meter and disconnect test
leads before removing the back cover.
When the battery power falls low, the LCD will display the battery icon
To replace the 9V battery:
1. Set the Range switch to the OFF position.
2. Remove the back cover by first removing the rear screws and then prying open the housing.
3. Replace the 9V battery.
4. Reassemble the meter housing.
WARNING
16
+
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380976 V3.2 4/11