PRM-20 Alarm Battery Replacement Guide

PRM-20 Alarm Battery Replacement Guide
PRM20 Alarm Battery
Replacement Guide
Note: To complete the instructions outlined below, you will require a small Pozi type
screwdriver.
Copyright Information
©2010 Promethean Limited. All rights reserved.
This guide is distributed for the PRM20 Alarm Battery. It may only be reproduced for use within the institution in
which the product is used. For use outside of your institution, no part of this guide may be reproduced, transmitted,
stored in a retrieval system or translated into any other language without the prior permission of Promethean Limited.
Please note that the content in this guide is protected under copyright law. Although every care has been taken in the
compilation of this guide, Promethean Limited accepts no responsibility for errors or omissions.
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PRM20 Alarm Battery Replacement Guide
Replacement Guide
In order to determine if the alarm battery needs
replacing or the life of the battery is drawing to an
end, the alarm indicator will flash and a warning
sound will be made at some intervals.
To replace the battery please follow the
following procedure.
Power down the projector using the remote
control unit.
Allow the projector to cool down for a minimum
period of 45 minutes.
Isolate the power to the system at the mains
power supply.
PRM20 Alarm Battery Replacement Guide
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PRM20 Alarm Battery
Remove from the power supply cable from the
rear of the projector unit.
Remove the remaining cables from the rear of the
projector unit as shown in images.
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PRM20 Alarm Battery Replacement Guide
Replacement Guide
Once all cables are removed, it is time to remove
the projector from its mounting position.
On the projector plate remove the thumbscrew.
PRM20 Alarm Battery Replacement Guide
5
PRM20 Alarm Battery
Whilst supporting the underside of the projector,
as shown undo the thumbscrew by turning it in
an anti- clockwise direction and gently allow the
projector to lower on its fixing point, don’t be
alarmed the projector is designed to move in this
way and is fully supported by the bracket as shown
in images.
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PRM20 Alarm Battery Replacement Guide
Replacement Guide
Once the projector has been lowered grasp with
both hands and lift in a forward motion this will
release the projector from its mounting point,
take care not to touch the projector lens when
removing the projector from its mount.
PRM20 Alarm Battery Replacement Guide
7
PRM20 Alarm Battery
In order to get access to the battery location you
will need to remove the projector plate that is still
attached to the projector, the plate is removed by
undoing the 4 screws as shown.
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PRM20 Alarm Battery Replacement Guide
Replacement Guide
Once all the screws are removed lift off the metal
plate to expose the alarm battery cover.
The alarm cover has a single screw and is located
just behind the lens, this will need to be removed
as shown below.
1
2
3
4
PRM20 Alarm Battery Replacement Guide
9
PRM20 Alarm Battery
Once the new battery is inserted, replace cover
and screw cover into position, once you have
installed the battery correctly the battery is
installed the alarm indicator will blink for about 10
seconds.
Replace the battery cover.
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PRM20 Alarm Battery Replacement Guide
Replacement Guide
Re fit the 4 screws previously removed as shown
and as described in previous steps.
Once the plate has been fitted, you can now
replace the projector.
PRM20 Alarm Battery Replacement Guide
11
PRM20 Alarm Battery
Grasp the projector unit with both hands and lift
into position using a backward and downwards
motion,take care not to touch the projector lens
when fitting the projector into position.
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PRM20 Alarm Battery Replacement Guide
Replacement Guide
When you have the projector in position insert
the thumbscrew and tighten it, in a clockwise
direction.
Once the projector is secure it is time to reconnect
the cabling, it is important to ensure that the
power is isolated to the system when carrying out
this step.
Reconnect the vga cable to the computer 1 input.
PRM20 Alarm Battery Replacement Guide
13
PRM20 Alarm Battery
Next connect the yellow end to the composite
video input.
Finally connect the power to the projector.
Turn the power supply on at the wall and power
the projector up using the remote control.
The task is now complete and the projector is
now ready for use.
For further information and guides on projector
functions please refer to the projector operating
manual supplied.
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PRM20 Alarm Battery Replacement Guide
Replacement Guide
PRM20 Alarm Battery Replacement Guide
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Alarm Battery Replacement Guide 02/10 V1.0
©2010 Promethean Ltd. All Rights Reserved. Product Specifications are subject to change without notice.
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