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5.1. General instructions
•
The projection screen is equipped with an electric tubular motor.
This simplifies the use of the screen.
•
The motor has been specially developed for this screen and ensures that the
screen unrolls and retracts with at a constant speed. The final positions may be
set on the motor. This has already been done at the factory. If you would like to
adjust the positions, follow the instructions found in section 4.4. Adjusting final
position of electrical screens.
•
As a result of this special construction, the motor has a limited continuous
duration of operation. For most motors, this duration is approximately
6 minutes. This long enough to allow the screen to unroll and retract several
times. However, if the screen is used continuously for too long, the motor will
become hot and the thermal overload cut-out will automatically turn off the
motor. Once the motor has cooled off sufficiently, it will turn back on
automatically. This can take 15 to 30 minutes.
•
Make sure that the screen is within your field of vision during operation so that
you can check to make sure that there are no persons or obstacles under the
screen.
•
Make sure that children are not able to play with the equipment involved in the
operation of the screen (wall switch, remote control).
•
Under normal use (once or twice daily) conditions, the life of the motor is at least
10 years. The motor does not require maintenance.
5.2. Use of the wall switch
•
Every electrically operated projection screen comes standardly equipped with a
rotary switch for mounting on the wall. After operation, the switch jumps back to
the zero position. This is an additional safety feature to make sure the motor is
always voltage-free when not in use.
•
Turn the switch to the right to unroll the screen and keep the switch in this
position until the screen is fully unrolled. Turn the switch to the left to retract the
screen.
5.3. RF remote control for screens with built-in
RF receiver
(Elpro RF electrol, Cinelpro RF electrol,
Compact RF electrol, Cinema RF electrol)
•
The RF electrol screens come standardly equipped with an RF (Radio Frequency)
remote control. An RF module is also available as an accessory for use with the
other electrically driven projection screens.
•
The RF remote control works through walls and does not have to be aimed at a
specific object as is the case with an infrared system.
•
See also section 3.2 'RF remote control'.
5.4. IR remote control for screens with built-in
IR receiver
(VariVision electrol)
•
The VariVision electrol screens come standardly equipped with a programmable
IR (infrared) remote control. An IR module is also available as an accessory for
use with the other electrically driven projection screens.
•
Many Audio/Video systems work with an IR remote control. There are also
programmable and intelligent IR system remote control devices available on the
market. These types of remote controls may be 'taught' or programmed to
operate the VariVision Electrol screen.
•
See also section 3.3 'IR remote control'.
5. Instructions for use
EN
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