Leupold GX-3c Operating Instructions Manual page 14

TRUE GOLF RANGE (TGR)
True Golf Range is an adjusted range that will
compensate for uphill shots that play long, and
downhill shots that play short . TGR is calculated
from the line of sight distance, incline or decline,
current temperature and altitude . TGR will display
the adjusted range the golfer should play to . For
example, if you have a lie 150 yards from the pin,
but the green falls 6 degrees above your ball, you
should play the shot as if it were 164 yards .
NOTE: Turning TGR off will also disable the Club Selector and
inclinometer display; all distance readings will be line of sight
(LOS) measurements.
TO ACTIVATE TGR:
1) Press POWER to activate the rangefinder .
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