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4. BATTERY
INSTALLATION
AND
REPLACEMENT
The total battery life without
backlighting is about 750 hours. Each
bar of the battery annunciator
represents 200 hours. A blinking empty
battery annunciator indicates 150 hours
remaining.
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.
