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To cancel auto power off, press the HOLD key until the
LCD displays all icons and the buzzer sounds
continuously.
■. Maintenance
1. CLEANING INSTRUCTIONS
The meter may be wiped down with a wet sponge or
cloth using a mild, water based detergent.
NOTE:
This unit is not designed for complete submersion or
washing in water.
2. BATTERY REPLACEMENT
Use the following procedure:
When the battery voltage drops below proper
operation range the symbol will appear on the
LCD display and the battery needs to be replaced.
∞ Press the battery cover towards the arrowhead to
open the battery cover.
∞ Replace the battery with three new AAA (1.5V)