Pioneer DDJ-SX Service Manual page 20

1
[3] Measurement mode
A
This is the mode to measure jog dial rotation time and the fluctuation of knobs/faders.
(1) Jog dial Rotation Time measurement mode
(2) Volume value fluctuation check mode
B
into
Measurement mode
[Method to enter]
C
Press and hold the "SHIFT"+"DECK3" buttons then Power-ON.
During this mode, "DECK 3" and "DECK 4" LEDs are lit.
[Method to exit]
Power-OFF
(1) Jog dial Rotation Time measurement mode
This is the mode to measure the JOG rotation time which is specified at "Jog dial Performance specification".
In case of the left jog dial, the result are displayed at the left LEDs.
D
In case of the right jog dial, the result are displayed at the right LEDs.
The specified range is 100 ± 40 msec.
[Method to measure]
1 You spin Jog dial more than 33*7 = 231 rpm.
*1 In case of less than 231 rpm, it is failure. Then "SLIP" LED is lit.
*2 You must measure by either clockwize or counterclockwize.
2 The controller measures "T1".
*T1: The time that Jog dial rotation speed slow down from 100 rpm to 50 rpm.
3 The controller display result with three Channel level indicators. Refer to below.
E
The format of the result is "XXX" msec. (X: 0-999 msec .decimal)
It is displayed by the Channel level indicators (Deck1/Deck2/Deck4).
F
The above figure is example of "235msec".
20
1
2
Volume value fluctuation check mode
Jog dial Rotation Time measurement mode
x.xx
DDJ-SX
2
3
9
8
7
6
5
4
3
2
1
0 (All off)
3
4
4