1-3(E)
IFB-12/12A
11
5
DIP switch
Set the position of the DIP switch according to the input signal.
(Refer to “Setting the DIP switch”.)
Mounting the IFB-12A
Note
Mounting or removal of signal interface boards must be performed by
qualified personnel only.
This section is for qualified service personnel only.
1 Loosen the screws completely and remove the panel.
2 Push in the IFB-12A along the rail.
3 Tighten the screws.
When removing the IFB-12A, loosen the screws completely and pull it
out.
1
2
3
Setting the Switches
Note
Be sure not to change the setting of the SW6, 7 and JP-3, 4, 5
connectors, as this may damage the equipment connected to this unit.
12
Rotary switch
Never change the
setting of the JP5
connector.
ON OFF
MIX
RGB
JP1
JP1
JP5
JP5
JP2
JP2
75
Ω
terminate
switches 3, 4, 5
RGB/MIX switch
Setting the 75
Ω
terminate switches 3, 4, 5
Set the 75
Ω
terminate switches 3, 4, 5 to the appropriate position
according to how the computer and monitor are connected.
Normally set to the ON side.
Set to the OFF side when the IFB-12A is connected to a monitor and a
personal computer simultaneously.
Setting the RGB/MIX switch
Set the RGB/MIX switch to RGB when connecting the switcher to the
RGB input connectors on the monitor using the output board.
Set the RGB/MIX switch to MIX when connecting the switcher to the
projector.
If the Computer to be Connected Outputs
Monochrome Video Signal
Before connecting the computer, make sure that the IN/OUT selector of
the IFB-12A is set to IN side.
1 Connect the video output connector of the computer to the G/Y
connector of the IFB-12A.
2 Set the position of the JP-1, JP-2 connectors on the PC board.
The picture on the screen is displayed in monochrome.
Note
If step 2 is not performed, the picture on the screen is displayed in green.