Jitter Test; Setting Selection Screen - Yamaha DME24N Service Manual

DME24N/DME64N

1-27. JITTER Test

Content: Perform jitter measurements by input and output of slots.
Details of Setting Values
＜ Common Settings ＞
· Using Card: SLOT4 MY8-AE96
SLOT3 MY8-AD96 (DME64N only)
SLOT1 MY8-DA96 (DME64N only)
· Digital input and output
Input: SLOT4
Output: SLOT4
· Analog input and output (Through)
Input: SLOT3 All channels (DME24N is an internal AD)
Output: SLOT3 All channels (DME24N is an internal DA)
＜ Individual Settings ＞
The tests will be given to the following 5 items of setting values.
Test No WORDCLOCK
1 INT
2 INT
3 INT
4 INT
5 EXT (BNC)
6 SLOT4-2Ch

Setting Selection Screen

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27. JITTER
TEST CASE: #1
W. CLOCK: INT 96kHz
Fs: 44.1kHz
SEL CASE: [UP/DOWN] or [JOG]
EXEC: [ENTER] , EXIT [CANCEL]
Fig. 51. JITTER Test Screen (1)
Message
· When the internal wordclock is detected unsynchronized:
· When the external wordclock is detected unsynchronized:
· When unlock is detected:
· When undefined Fs is detected:
118
1/2channel
All channels
Fs
44.1kHz
48kHz
88.2kHz
96kHz
44.1kHz/48kHz/88.2kHz/96kHz
44.1kHz/48kHz/88.2kHz/96kHz
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remarks
Fs is changed according to the device connected to BNC.
Fs is changed according to the device connected to SLOT4.
Executing Screen
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27.
INT. : 44.1kHz
Fig. 52. JITTER Test Screen (2)
NG: INTERNAL UNSYNCRONOUS
NG: EXT. (BNC) UNSYNCRONOUS
NG: UNLOCK ERROR
NG EXT. (BNC) UNDEFINE Fs!
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JITTER