Maintenance 5
5.1 Replacing the Batteries
NOTE
When you change the batteries, all of the set parameters (i.e. emissivity, high alarm, low alarm, Target Ambient Temperature) will be reset to the default values. For your convenience, you may want to write down all of the set parameters BEFORE replacing the batteries.
The thermometer is powered by 4 standard AA size lithium batteries. To replace the batteries:
1.Invert the thermometer and open the cover of the battery compartment.
2.Remove the old batteries.
3.Install 4 fresh AA size (lithium or alkaline) batteries as shown in Figure
4.Close the battery compartment cover.
NOTE
When the battery power is so low that accurate measurements are no longer possible, the thermometer shuts down and you must replace the batteries immediately.
You will see and hear the following:
•The 
icon flashes
•The thermometer beeps intermittently
•The thermometer flashes “ 
“ in the main display.
Safety Warning
Do not open batteries, dispose of in fire, heat above 100°C (212°F), expose contents to water, recharge, put in backwards, mix with used or other battery types – may explode or leak and cause personal injury.
