GRASS VALLEY XCU, User Manual

Page: 23 / 62

XCU eXchangeable Control Unit User’s Guide (v1.6) 23
Chapter 2 - Installation
2.5.3 Common ground
☞
Note
☞
Note
Ensure that a reliable ground coupling exists between the control device ground and the XCU
ground.
If a contact is closed, the corresponding function is Active or Inactive, depending on the
selection in the
INSTALL > SIGNALLING INPUT
menu:
On-Air (Tally) 1
On-Air (Tally) 2
On-Air (Tally) n
External On-Air signalling
(common ground contact)
On-Air in ext. (pin 4) Signalling connector
On-Air in ext. return (pin 12) Base Station 1
Signalling connector
Base Station 2
Signalling connector
Base Station n
On-Air in ext. (pin 4)
On-Air in ext. return (pin 12)
On-Air in ext. (pin 4)
On-Air in ext. return (pin 12)
On-Air (Tally) 1
On-Air (Tally) 2
On-Air (Tally) n
External On-Air signalling
(common ground contact)
On-Air in ext. (pin 4) Signalling connector
On-Air in ext. return (pin 12) Base Station 1
Signalling connector
Base Station 2
Signalling connector
Base Station n
On-Air in ext. (pin 4)
On-Air in ext. return (pin 12)
On-Air in ext. (pin 4)
On-Air in ext. return (pin 12)
Menu setting Input is shorted: Input is open:
LH (low-high) Function is Active Function is Inactive
HL (high-low) Function is Inactive Function is Active