Manfrotto 851 Instructions Manual page 7

Motorised expan background support system
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OPERATING INSTRUCTIONS
CONTROL BOX AND REMOTE CONTROLLER
Motorised expan
sockets
Fig. 4 Control Box
The control box is the "heart" of the system. It supplies power to the motorised expans and executes commands from
the remote controller. The control box display shows the current background number. Only the currently selected
background may be rolled up or down at any given time.
Control box plugs and connectors:
!
Ten expan power supply plugs (24V DC 6A max.) - allows up to 10 motorised expans to be connected and
controlled
!
RS232 standard PC connector - enables future software upgrades and control by PC
!
Extension connector - enables the control box to be equipped with additional features in the future
!
Mains power supply socket
Never connect the control box to any equipment that is not a part of Manfrotto's motorised
expan background support system. This may lead to a system damage or injury to users.
C
ONNECTING THE CONTROL BOX TO THE POWER SUPPLY
Before connecting the control box to the power supply, always make sure that the voltage rate specified on the control
box identification label corresponds with your local power supply and that the power supply cable complies with local
safety standards!
C
ONNECTING MOTORISED EXPANS
Switch off the control box. Plug the 6,3 mm jack of the motorised expan into one of the ten expan sockets on the
control box. Make sure that the jack is fully inserted into the socket. The motorised expan is immediately
ready to use.
Display
IR sensor
On/Off switch
7
H z
5 0
X .
0 V
M A
2 3
0 W
A
A C
,7
1 0
T 0
G :
T IN
N :
R A
M
E R
C T
IO
R O
W
T E
P O
T F
R E
R O
1 -
2
S P
0 0
0 0
E C
F O
R !
M A
IN
°
:
N N
L N
B E
V E
N D
R IA
LA
C O
S E
P O
O
IN
I S
L Y
C
D E
M A
! D
P P
E
T H
N G
S U
N I
A R
S
G
N
I N
V I
W
ID label
A
O
M
M
R E
Mains fuse
A
, 3
T 6
Power supply socket
Motor fuse
RS-232 Connector
"Extension" connector
T .
E X
2
2 3
R S

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