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Battery indication
Blank display
Laser does not work
Beeper beeps
continuously
BATTERY REPLACEMENT
To install or change one 9V battery (see below):
1. Push the button and pull the handle downward to open battery cover.
2. Install the battery noting its correct polarity.
3. Re-install the battery cover.
Battery: 9V 6F22 alkaline battery or equivalent
Low battery
Possible dead battery
1.Low or dead battery
2.Ambient temperature
above 40°C (104°F)
Check if high/low alarm
has been set?
And measurement value
has over the limit?
30
Check and/or replace
battery
Check and/or replace
battery
1.Replace battery
2.Use in area with lower
ambient temperature
Re-set high/low alarm
setting or cancel the
limit setting
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