Grass Valley ADX-172p - Manual (Page 14)

ADX-172p/75/110 - Guide to Installation and Operation
7
4 Operation
4.1 Audio Group Selection
Miniature slide switches provide the audio group selection. Only
one of the 4 groups should be switched On; in the event where
more than one group is switched On, the demultiplexing opera-
tion is performed by default on group 1. Switching all groups Off
effectively disables all audio channels. Figure 4.1 indicates the
location of the miniature switch at the back of the ADX-172p.
Figure 4.1 ADX-172p Slide Switch location
4.2 Status LED
The bi-colored status LED, located next to the output end, is pro-
vided to identify any input error or power supply malfunction. The
following lists the possible situations:
Green: Indicates that the ADX-172p is powered and
has detected a valid 4:2:2 input signal.
Red: Indicates an error with the input signal has been
detected or simply, there is no input cable con-
nected.
Off: The unit is not powered on. Check that it is
connected to the power supply, and the power
supply is properly connected to a power source.