Date printed: 24.01.12
65
D21m System
Diagram valid for all card versions!
GLITS / BLITS Version
In this version the card provides 8 audio outputs to the console. Stereo tone is
sent on channels 1 and 2, and Surround tone on channels 3-8. The top 8 front
panel LEDs show the sequence of tones. The lower 8 LEDS are not used.
The DIP switch configures the card as follows:
DIP Switch 1
Option
ON EBU BLITS tone
OFF BBC/SKY BLITS tone
DIP Switch 2
Option
ON EBU GLITS tone
OFF BBC GLITS tone
DIP Switches 3 & 4
Spare, not used
DIP Switches 5-8
5
6
7
8 Calibration Level
OFF OFF OFF OFF –24 dB
FS
ON OFF OFF OFF –23 dB
FS
OFF ON OFF OFF –22 dB
FS
ON ON OFF OFF –21 dB
FS
OFF OFF ON OFF –20 dB
FS
ON OFF ON OFF –19 dB
FS
OFF ON ON OFF –18 dB
FS
ON ON ON OFF –17 dB
FS
OFF OFF OFF ON –16 dB
FS
ON OFF OFF ON –15 dB
FS
OFF ON OFF ON –14 dB
FS
ON ON OFF ON –13 dB
FS
OFF OFF ON ON –12 dB
FS
ON OFF ON ON –11 dB
FS
OFF ON ON ON –10 dB
FS
ON ON ON ON –9 dB
FS
Note: 6 dB 6.02 dB calibration is assumed above
Minimixer Version
In this version (see block diagram on the next page) the same card is used
to mix audio signals together in a fixed configuration. Up to 32 card inputs
(console outputs) and 32 card outputs (console inputs) may be available
