Leupold GX-3c Operating Instructions Manual page 12

function, press the POWER button as necessary . If this is the
last function to be set, allow the rangefinder to sit idle for 30
seconds, this will cause an automatic power-off, saving all
selections . If additional set up is required, simply press MODE
to continue through the Quick Set Menu . Pressing and holding
MODE for at least 2 seconds at any time will exit the Quick Set
Menu, save all previous changes, and prepare the rangefinder
for immediate use . To reset your GX-3c or GX-5c to factory
settings, press POWER to activate the unit . With the rangefinder
activated, press and hold MODE, then immediately press and
hold POWER while continuing to hold MODE depressed . After
the 10-second timer shown in the display reaches zero, the
rangefinder will return to factory settings .
FOG MODE
The Fog Mode can be used in foggy/rainy
conditions to screen out false readings from
raindrops or other atmospheric interference
to provide an accurate range . Fog Mode
changes the algorithm to look for the "last"
object ranged . When Fog Mode is on, the
user will need to range the base of the flag
or the lip of the green to increase ranging
accuracy . Turn Fog Mode off when weather conditions are ideal .
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