Light Sensor Replacement - Adaptive AlphaXpress 2020 Operation And Maintenance Manual

Front access 20mm rgb full matrix displays sign
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Light sensor replacement

Hazardous voltage. Contact with high voltage may cause death or serious injury.
WARNING
Always disconnect power to unit prior to service.
Guidelines for mounting the light sensor
The light sensor must be mounted facing in the same direction the front of the sign is facing.
Make sure the light sensor is NOT in the shade because this may make it difficult to read your sign during brighter periods of the
day.
You can strap the light sensor to a pole, but make sure it is facing the same direction as the front of the sign.
Do NOT mount light sensor directly to the sign; however it is okay to mount to the sign's sub–structure.
The light sensor plug connection must be connected properly for a weather–tight seal.
Installing the light sensor assembly
1.
Mount the light sensor.
Use one of the following methods to mount the light sensor:
Traditional wall mount
Position the light sensor on a flat vertical surface in close proximity to the sign and make sure it is facing the same
direction as the front of the sign.
Insert six screws (not supplied) into the mounting holes (three on each side) and tighten.
Back of light sensor
Perpendicular wall mount
Unscrew the two bracket screws and rotate the bracket 90 degrees.
Tighten the bracket into position with the two screws.
Position the side of the light sensor on a flat vertical surface in close proximity to the sign, making sure it is facing the
same direction as the sign.
Insert two screws (not supplied) into the mounting holes and tighten.
A
X
2020 RGB F
LPHA
PRESS
RONT
Two bracket screws
Bracket is turned 90
degrees
A
F
-M
D
S
CCESS
ULL
ATRIX
ISPLAYS
Front of light sensor
Facing same
direction as
front of sign.
Mount side against a flat surface
O
M
IGN
PERATION AND
AINTENANCE
L
IGHT SENSOR REPLACEMENT
Mounting screw holes
. B)
M
(PN 1523610201
ANUAL
REV
5
5-21

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