31
SPX2000
Supplementary)
After this test, press the UTILITY key again and when
"INPUT SOURCE" appears on the LCD, press the DEC
key. Setting is completed when the asterisk (*) mark
moves to the "ANALOG" position. Press the BACK key
and execute WORD CLOCK selection.
2-6. PLL Operation Range of WORD CLOCK
IN, DIGITAL IN
Condition: Use the System Two.
Signals are inputted through ANALOG INUT L, R
(XLR) and output from OUTPUT L, R (XLR).
The WORD CLOCK should be selected as follows.
When checking WORD CLOCK IN: WORD CLOCK
When checking DIGITAL IN: AES/EBU
a. 96kHz + 6% (101.76kHz)
Condition:
Make frequency setting (Sample Rate) of the System
Two to 96kHz + 6%
[1] Distortion ratio (both WORD CLOCK IN and
DIGITAL IN)
b. 44.1kHz - 10% (39.69kHz)
Condition:
Make frequency setting (Sample Rate) of the System
Two to 44.1kHz - 10%
[1] Distortion ratio (both WORD CLOCK IN and
DIGITAL IN)
Condition: User the System Two.
Use AES/EBU OUT for checking.
a. WORD CLOCK INT
Condition:
Select the value of the WORD CLOCK according to the
following table.
[1] Jitter
Permissible range
0.03 % or below
b. WORD CLOCK EXT
Condition: Select the WORD CLOCK as follows.
When checking WORD CLOCK IN: WORD CLOCK
When checking DIGITAL IN: AES/EBU
For the System Two frequency setting (Sample Rate),
select the value for according to the table below.
[1] Jitter (both WORD CLOCK IN and DIGITAL IN)
2-8. Checking Produced Sound
Check EFFECT functions (DSP6 operation check) by listening.
ANALOG INPUT, ANALOG OUTPUT
Condition
•
WORD CLOCK: INT96kHz
•
Input sound signals through ANALOG INPUT L and R
(XLR), recall the PRESET programs listed below one
after another and adjust the INPUT VOLUME so that
the CLIP of the LEVEL METER does not light up with
any program.
To recall the PRESET programs, press the UP/DOWN
key to have a number flash in the 7-segment and press
the RECALL key.
PRESET programs to be checked
Program 08: AMBIENCE
Program 58: ROGER ON THE 12
Program 61: SYMPHONIC
Program 78: DYNA FILTER
Inspection:
Recall the PRESET programs and check the signal
through the speaker for at least 15 seconds. Perform this
check on all 4 types of the PRESET programs. Operate
the INPUT VOLUME and check that the output level
varies.
Judgment criteria 1: The EFFECT sounds are output.
Judgment criteria 2: No noise is included in the output.
WORD CLOCK
Permissible range
EXT 44．1 kHz
4 nsec or below
EXT 48 kHz
4 nsec or below
EXT 88．2 kHz
4 nsec or below
EXT 96 kHz
4 nsec or below
Input frequency
Output level
Permissible range
1 kHz
+23 dBu
0.03 % or below
WORD CLOCK
Permissible range
INT 44．1 kHz
2 nsec or below
INT 48 kHz
2 nsec or below
INT 88．2 kHz
2 nsec or below
INT 96 kHz
2 nsec or below
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