Инструкция для EXTRON ELECTRONICS PoleVault Digital Switcher Systems PVS 405D

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b.  Secure the power supply on the base plate, as 

close to the switcher as possible. To do this, 
pass the tie wraps through the holes in the 
base plate and then around the power supply. 
Tighten the tie wraps. The cables should then 
be easily and safely routed to the electrical 
outlet and to the switcher.

c.  Extend the boom arm to the appropriate 

projector throw distance and secure in the 
applicable slots with the four supplied (¼-20 x 
½ inch) screws and washers.

NOTE:  Do not overtighten the screws.

d.  Loosen the set screw (located in the lower hole 

on the boom arm end), and screw the threaded 
pipe up into the end of the arm. A minimum of 
three turns is needed to safely secure the pipe 
in place. Lock it in place by tightening down the 
set screw. 

NOTE:  The upper hole on the boom arm end is 

for attaching an optional seismic support wire.

e.  Run the video cables from the switcher to the 

projector through the boom arm so that they 
exit down the projector mounting pipe.

NOTE:  Provide sufficient cable slack within 

the boom arm to allow for future arm length 
adjustment.

f.  Referring to the UPB 25 User Guide, screw 

the UPB 25 upper mounting plate onto the 
threaded pipe and attach the projector to the 
UPB 25 projector bracket.

g.  Attach the projector bracket (with projector 

installed) onto the UPB 25 mounting plate and 
secure.

h.  Connect the output cables from the switcher, 

any MLC control cables, and the power cable to 
the projector.

CAUTION:  

 

Electrical Shock that may result 

in injury.

 

Do not thread the projector power 

cable through the boom arm or mounting 
pipe. Threading it through the arm or the pipe 
violates national electrical regulations.

PoleVault Digital Systems • Installation — Stage 4 (USFM 100 and PVS 405D)

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