Crown CT4406 Original Instructions Manual page 16

8 Locking nut *
9 Battery case cover
10 Battery (AA type) *
11 Locking screw *
* Optional extra
Not all of the accessories illustrated or
described are included as standard delivery.
Installation / regulation
Do not draw up the fastening ele-
ments too tight to avoid damaging the
thread.
Mounting / dismantling / adjustment
of some elements is similar for all
appliance models. In this case no
particular appliance model is indi-
cated in the explanatory drawing.
Mounting / dismounting of spring clamp with
swivel holder (see fig. 1)
Fig� 1 shows spring clamp with swivel holder 5
mounting / dismounting operations�
Installation / replacement of the batteries (see
fig. 2)
If indicator 1 lit red and blinking, it
indicates the batteries 10 should
be replace.
Open cover 9 (see fig. 2).
•
• Install / replace batteries 10 (AA type)� Cau-
tion: during installation of batteries 10, ob-
serve correct polarity.
Close cover 9�
•
Switching on / off
When self-levelling is on
Switching on:
Set lock 4 to position as shown in fig. 3.1. This will
unlock the suspension gear of the laser head and
turn power of laser beam� If self-leveling of laser
head successful indicator 1 lit green� If self-leveling
of laser head unsuccessful indicator 1 lit red and
laser beams blinked� You can switch on and off the
laser beams pressing on / off switch 2�
Switching off:
Set lock 4 to position as shown in fig. 3.2. This will
lock the suspension gear of the laser head, turn
power of laser off�
When self-levelling is off
Switching on:
Set lock 4 to position as shown in fig. 3.2, then
press and release on / off switch 2� Laser power is
now on, but the suspension gear of the laser head
is locked� Indicator 1 lit red and laser beams blink-
ed� You can switch on and off the laser beams
pressing on / off switch 2�
Switching off:
Press and release on / off switch 2�
Design features
Laser head self-levelling system
Laser head self-levelling system makes laser
measurement possible, if the body of appliance
not in vertical position (inclination angle not ex-
ceeding ±4°)�
If maximum possible inclination angle is ex-
ceeded, indicator 1 lit red and laser beams start
blinking�
Attention: if the appliance is moved
during use, lock the laser head during
storage and transportation (set lock 4
to the position shown in fig. 3.2).
Spring clamp with swivel holder (see fig. 4-5)
Spring clamp with swivel holder 5 allows to install
the appliance on various objects (tables, chairs,
pipes, etc�)� The swivel holder allows to change
the position of the appliance body in a wide range
(see. fig. 4-5).
• Loosen locking screw 11 (see fig. 4.1).
• Change position of the appliance body (see
fig. 5)�
• Tighten locking screw 11 (see fig. 4.2).
Working advice
Precision test
The appliance is ready for operation.
The accuracy of the appliance has
been verified at the factory.
English
16