Grass Valley 2020DAC D-To-A User Manual
Page 22

16
2020DAC Instruction Manual
2020DAC 4-Channel Audio Digital to Analog Converter
Ch 3/4 Input Status/Output Mode
The
CH 3/4 INPUT STATUS/OUTPUT MODE
display (
) pro-
vides status reporting and output mode selection for Ch 3 and Ch 4.
Output level adjustments must be done using the on-board jumpers and
gain controls described in Output Level Adjustments
.
The following items will be reported under
CH 3/4 INPUT STATUS
:
■
CH 3/4 20/24-BIT MODE
indicates whether Ch 3/4 are set for 20- or
24-bit operation at jumper J8 (Ch 3/4) on the circuit board. (Refer to
20/24-bit Operation
.)
■
CH 3/4 BAL/UNBAL INPUT
indicates whether Ch 3/4 are set for balanced 110
Ω
or unbalanced 75
Ω
inputs at the CH3/4 INPUT SEL jumper JP9 on
the circuit board. (Refer to Input Select
■
CH 3/4 SAMPLE RATE
indicates the current input sample rate being
detected by the module as one of the following:
OUT OF RANGE
,
32K
,
32K
4%
,
44.1K
,
44.1K 4%
,
44.056K, 48K
or
48K 4%
.
■
CH 3/4 INPUT ERROR
indicates any input error conditions present as either
VALIDITY
,
CRC
,
PARITY,
BI-PHASE
,
NO LOCK
or
NO ERROR
.
■
CH 3 AND CH 4 LVL RANGE
indicates whether Ch 3 and Ch 4 are set for
HIGH
(19-24 dBu) or
LOW
(14-19 dBu) level range at jumpers JP2 (CH 3) and
JP1 (CH 4) on the circuit board. (Refer to Output Level Adjustments
■
CH 3 AND CH 4 DE-EMPH
indicates whether de-emphasis is being applied
to Ch 3 or Ch 4 audio channel.
■
CH 3 AND CH 4 DATA
indicates type of incoming data (audio or non-audio)
to Ch 3 and Ch 4 channels.
The
CH 3/4 OUTPUT MODE
display allows you to set the desired output mode
of the module from the selections listed in
. After making
the selection, click the
APPLY
button to activate it.
Use
This
Link