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4. BATTERY
INSTALLATION
AND
REPLACEMENT
The total battery life without
backlighting and alarm is about 400
hours. The battery bar annunciator
represents the battery strength. An
empty battery annunciator indicates low
battery strength; a blinking battery
annunciator indicates that the batteries
should be replaced immediately.
Selected settings are stored in memory
and will remain in memory even after
power is turned off, or while batteries
are being replaced.
1. Before
changing battery, turn
instrument off and disconnect
thermocouple.
2. Loosen screw and lift battery cover off
back of case.
3. Remove the three AA batteries.
4. Insert
three
new batteries observing
polarity.
5. Install cover and tighten screw.