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3-2. Systems
3-2. Systems
3-2-1. Setting the Tally System
This unit conforms to the tally system of the red tally and
green tally, and also conforms to the contact supply and
power supply (24 V/TTL). Set the switches on the AT-122
board according to the system used as follows.
9
8
7
6
S2
S7
Set the tally system as shown in the following table.
Setting the tally system
Red tally
Switch
S1
Contact supply CONTACT _
24 V power
POWER
supply
5 V power
POWER
supply
All the switches are set to POWER when shipped from the factory. If you do
not use the tally system, set switches S1 and S2 of the CCU-900/900P to
CONTACT.
3-4 (E)
5
4
3
2
1
S1
S4
AT-122 board
Green tally
S4
S2
S7
CONTACT
_
POWER
POWER
POWER
TTL
POWER
TTL
3-2-2. Setting the Camera Number
System that does not use CNU-700/500
Use switch S1001 on the AT-122 board to set the camera
number.
Use switches 1 to 4 to set the first digit and use switches 5
to 8 to set the second digit. "0" to "f" can be set as each
digit, but "a" to "f" are invalid. Camera numbers 1 to 96
can be set.
A
B
C
D
E
S1001
F
9
8
7
(Example of setting)
1
1
2
2
First digit
0
3
3
4
4
5
5
Second
6
6
5
7
7
digit
8
8
50
61
Camera
member
System that uses CNU-700/500
The CCU connector number on the rear of the CNU-700/
500 is the camera number. For example, the camera
number of the CCU video camera that is connected to the
CCU 1 connector is 1.
6
5
4
3
2
AT-122 board
1
1
1
2
2
2
1
2
3
4
3
3
3
4
4
4
5
5
5
6
6
6
6
7
8
9
7
7
7
8
8
8
72
83
94
CCU-900/900P IMM
E
F
G
H
J
K
1
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