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5
Basic Operation
Roteo 20HV/25H/35/35G - 1.2.0en
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laser head will start rotating (Roteo 20HV/35/35G:
300 rpm, Roteo 25H: 600 rpm).
In manual mode, the laser does not self-level; this
means that the beam will rotate even if the laser is not
leveled. It can therefore be used on inclined planes such
as stairs, roofs, or when manual grade setting is
required. See later section on setting slope in manual or
semi-automatic modes.
H.I. Alert mode
The H.I. feature stops the laser automatically and
sounds an alarm if the laser is disturbed, preventing
inaccurate readings. It functions only when selected.
X To activate this safeguard feature, press the H.I. key
{B-4} after turning on the laser. The H.I. LED {B-12}
will blink rapidly while the laser is self-leveling.
X Thirty seconds after the head starts to rotate, the LED
will blink slowly, indicating the H.I. Alert function is
activated.
X If the laser is disturbed while in H.I. Alert mode, the
head will stop rotating, the beam will turn off, the LED
indicator will be on continuously, and an alarm will
sound (Roteo 35/35G).
X On Roteo 20HV and 25H models all LEDs will be on
continuously when disturbed in H.I. mode.
X Press the H.I. key to turn off the H.I. Alert function.
Check to see if the beam elevation has changed from
its original benchmark position.
X The laser is no longer in H.I. Alert mode. Press the H.I.
key to re-activate the H.I. Alert function.
Rotation mode (Roteo 20HV/35/35G)
The head rotates at four speeds: 0, 150, 300, 450, 600
rpm. The default setting is 300 rpm. The laser beam is
more visible at slower rotation speeds.
X To increase the rotation speed press the Plus key
{B-9}. Press the Minus key {B-8} to decrease speed.
Press and hold the Minus key to stop rotation.
X When the beam is stopped, the point can be moved to
the right or left using the Counter-clockwise / Clock-
wise (CCW/CW) rotation keys {B-6 and B-7}. You can
also move the head manually to position the beam
point. To start rotation again, press the Plus key {B-9}.
Scanning mode (Roteo 20HV/35/35G)
For interior applications, scanning mode allows you to
see the beam easier at a distance.
X To scan press the Scan / Rotation key {B-2}. The
beam will blink until the laser has self-leveled.
X To increase the scan length press the Plus key {B-9}.
Press the Minus key {B-8} to decrease the scan
length.
X The scanning beam can be moved to the right or left
using the Counter-clockwise / Clockwise (CCW/CW)
rotation keys {B-6 and B-7}.