Grass Valley ASD-272p - Manual (Page 10)

ASD-272p
6
If switching from an NTSC source to a PAL-M source
which are both synchronized, the picoLink units may
interpret the PAL-M source as an NTSC source. If so,
the unit will not switch to PAL-M. In order to recover
from this problem, disconnect the source from the input
BNC and reinstall it.
4.2 Status LED
The bi-colored status LED, located next to the S-video
input cable, is provided to identify any input errors. The
following lists the possible situations.
Green:
Indicates the ASD-272p is powered and has
detected a valid S-video signal.
Red: Indicates an error with the input signal has
been detected or simply, there is no input
signal installed.