D
D
D
L
L
L
P
P
P
P
P
P
r
r
r
o
o
o
j
j
j
e
e
e
c
c
c
t
t
t
o
o
o
r
r
r
–
–
–
U
U
U
s
s
s
e
e
e
r
r
r
’
’
’
s
s
s
M
M
M
a
a
a
n
n
n
u
u
u
a
a
a
l
l
l
I
Audio-out Audio
loop-thru
USB
Connect the supplied USB cable (supplied) from a computer for USB
mouse function and firmware upgrades.
RS-232
Reserved for installation control.
Warning:
As a safety precaution, disconnect all power to the projector and connecting devices before making
connections.
–
11
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