Allied International Home Security System User Manual
Page 23

AVT camera cleaning instructions
Hardware Installation Guide V2.0.0
23
under the following number: E9020001) and clean it on both sides using 
the techniques explained below.
Not all camera types have the design to remove the filter/protection 
glass. See Chapter 
Changing filters safety instructions
Camera type
Tool to be used
Description
Dolphin
AVT order number E9020001
Figure 4: Removing IR cut filter/protection glass 
using special tool (E902001)
Oscar
1.3 mm hex key (Allen key) AVT 
order number K 9020411
Loosen both countersunk screws. Remove chro-
matic flange: Take care, C-Mount adjustment 
spacers may fall out. Put them back carefully on 
chromatic flange and screw chromatic flange 
with adjustment spacers in camera.
Marlin
AVT order number E9020001
Figure 4: Removing IR cut filter/protection glass 
using special tool (E902001)
Guppy
Pliers and leather
Carefully unscrew the knurled ring.
Pike
1.3 mm hex key (Allen key) AVT 
order number K 9020411
Loosen both countersunk screws. Remove chro-
matic flange: Take care, C-Mount adjustment 
spacers may fall out. Put them back carefully on 
chromatic flange and screw chromatic flange 
with adjustment spacers in camera.
Stingray
•
Stingray cameras Rev. 1: see 
Guppy
•
Stingray cameras Rev. 2: AVT 
order number E9020001
•
Stingray cameras Rev. 1: 
see Guppy
•
ing IR cut filter/protection glass using spe-
cial tool (E902001)
Table 4: How to remove the filter/protection glass
Note
L
•
Taking out the filter requires special care.
•
Ask your dealer to help you if you are not confident 
with the procedure.
Stingray Rev. 1
Stingray Rev. 2
