AGL EAGL H, Owner'S Manual

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2.3 H.I. Alert (Tilt) mode

The H.I. Alert feature stops the laser automatically if the laser is
disturbed, preventing inaccurate readings. It functions only
when selected.
To activate this safeguard feature, press the Tilt key (8) after tur-
ning the laser on. The LED next to it will blink rapidly while the
laser is self-leveling.
About 30 seconds after the head starts to rotate, the LED will
blink slowly, indicating the H.I. Alert is activated.
If the laser is disturbed while in H.I. Alert mode, the head will
stop rotating, the beam will turn off, and the LED indicator will
be on continuously.
Turn the laser off and turn it on again. Check to see if the beam
elevation has changed from its original benchmark position.
The laser is no longer in H.I. Alert mode. Press Tilt to return to
H.I. Alert.

CAUTION: The Tilt function is not available in vertical
mode on the EAGL H+.

2.4 Rotation speed

There are 3 rotation settings: 0, 90 and 600 rpm (the default
speed). To change to 90 rpm, press (11A). Press again to stop 
rotation. The laser beam is more visible at the slower speed. It’s 

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