Leupold GX-3c Operating Instructions Manual page 18

altitude setting by 500 feet until 9999 has been reached,
at which time the setting will return to 0 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 .
To continue through the Quick Set Menu and manipulate
another feature, press and release MODE until the appropriate
icon is displayed .
CLUB SELECTOR (GX-5c ONLY):
NOTE: If TGR is not activated, you will not be able to use the
CLUB SELECTOR function .
When TGR is activated, the Club Selector function recommends
the proper iron for the current distance, shot angle,
environmental conditions, and multiple other factors . This will
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