Leupold GX-5i Operating Instructions Manual page 18

NOTE: Turning TGR off will also disable the Club Selector
and inclinometer display; all distance readings will be
line-of-sight measurements.
TO ACTIVATE TGR:
1) Press POWER to activate the rangefinder.
2) Press and hold MODE for at least 1 second and
then release to enter the Quick Set Menu; press and release MODE
one more time to advance to TGR mode.
3) While TGR is shown in the upper portion of the display, press and
release POWER as necessary until "On" is shown in the lower portion
of the display.
4) 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 mode is displayed.
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