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Using the Infrared Thermometer/Transmitter
3
• To set the low alarm value (OS552, OS553, OS554):
1. Press and hold the key until the Low Alarm Display
Mode (LAL) appears.
2. Press the key to increment the low alarm value. Press
the key to decrement the low alarm value.
3. Press the key to enable the low alarm function. The
icon appears.
If the temperature drops below the low alarm
setpoint, you will hear a beep and the icon on
the display flashes.
4. To disable the low alarm, press the key again,
and the icon disappears.
If you are not in Low Alarm Display Mode (LAL) when
the low alarm goes off, you must press
the key
to get into the
Low
Alarm Display Mode. Then press
the key to disable the low alarm.
The unit maintains its low alarm set point value even
when the power is removed.
NOTE
NOTE
°F
LAL