d&b D80 - Manual (Page 28)

D80 Channel strip block diagram (signal chain)
The channel strip follows the actual signal chain from left to right:
ISP/OVL
Indicates the following states for both, the analog ( ) and the
digital ( ) signal inputs:
Grey The relevant channel is not available.
White The relevant channel is available and an input signal is
not present or below –30 dBu.
Green ISP (Input Signal Present): Illuminates when the
analog input signal exceeds –30 dBu or when the
digital input is locked to 48 or 96 kHz and the signal
exceeds –57 dBFS.
Red OVL (Overload): Illuminates when the analog input
signal exceeds 25 dBu or when the digital input signal
exceeds –2 dBFS.
Channel view
The Channel view button displays the Channel name. If no
Channel name has been entered, the loudspeaker setup which is
currently loaded is displayed. In addition, the activated function
elements are indicated. The button provides direct access to the
Þ Channel setup screen.
Level
The Level input field allows direct setting of the amplifier's relative
input sensitivity in the range of –57.5 dB to +6 dB in steps of
0.5 dB.
In addition, the following indicators are available:
7. Channel strip
d&b D80 Manual 1.9 en 28