HP Extech 380976 Automatic Sleep Mode and Battery Replacement

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

WARNING

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.

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