Leupold GX-3c Operating Instructions Manual page 16

automatically be measured in Fahrenheit. If Meters is selected,
the temperature will be measured in Celsius.
MANUALLY INPUT THE DAY OF PLAY TEMPERATURE:
1) Press POWER to activate the rangefinder .
2) Press and hold MODE for at least 2 seconds to enter the
Quick Set Menu .
3) Verify that TGR is turned on; if TGR is not activated, you will
not be able to enter the current temperature, see "To Activate
TGR" .
4) Press and release MODE until the temperature is displayed .
5) While the temperature is flashing, press and release POWER
to change the current temperature setting to match the
current conditions . Each depression of POWER will increase
the temperature setting by 5 degrees until 120 degrees F
(50 degrees C) has been reached, at which time the
setting will return to 30 degrees F (0 degrees C) and begin
increasing again .
6) To save the changes and return to ranging mode, let the unit
sit idle for at least 30 seconds until an automatic power-down
occurs, or simply press and hold MODE for at least 2 seconds .
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