Sony MDS-JA20ES Service Manual page 24

4-6. FUNCTIONS OF OTHER BUTTONS
Function
Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo
(
turns ON/OFF.
p
Stops continuous playback and continuous recording.
)
The sled moves to the outer circumference only when this is pressed.
0
The sled moves to the inner circumference only when this is pressed.
SCROLL/CLOCK SET Switches between the pit and groove modes when pressed.
PLAY MODE Switches the spindle servo mode (CLVS ˜ CLV A).
DISPLAY/CHAR Switches the displayed contents each time the button is pressed
§ OPEN/CLOSE
Ejects the disc
REPEAT Exits the test mode
4-7. TEST MODE DISPLAYS
[DISPLAY/CHAR]
Each time the
1. Mode display
Displays "TEMP ADJUST", "CPLAY MODE", etc.
2. Error rate display
Displays the error rate in the following way.
C = ππππ AD = ππππ
C = Indicates the C1 error.
AD = Indicates ADER.
3. Address display
The address is displayed as follows. (MO: recordable disc, CD: playback only disc)
[SCROLL/CLOCK SET]
Pressing the
h = ππππ s = ππππ (MO pit and CD)
h = ππππ a = ππππ (MO groove)
h = Indicates the header address.
s = Indicates the SUBQ address.
a = Indicates the ADIP address.
Note: "–" is displayed when servo is not imposed.
4. Auto gain display (Not used in servicing)
The auto gain is displayed as follows.
AG = ππ/ππππ[ ππ
5. Detrack check display (Not used in servicing)
The detrack is displayed as follows.
ADR = πππππππ
6. IVR display (Not used in servicing)
The IVR is displayed as follows.
[ππ][ππ][ππ
button is pressed, the display changes in the following order.
button switches between the group display and bit display.
Contents
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Mode display
Error rate display
Address display
Auto gain display
(Not used in servicing)
Detrack check display
(Not used in servicing)
IVR display
(Not used in servicing)