Sony MDS-JE640 Functions of Other Buttons, Test Mode Displays, Mode display, Error rate display

4-6. FUNCTIONS OF OTHER BUTTONS

Function	Contents
G	Sets continuous playback when pressed in the STOP state. When pressed during continuous
	playback, the tracking servo turns ON/OFF.
x	Stops continuous playback and continuous recording.
M	The sled moves to the outer circumference only when this is pressed.
m	The sled moves to the inner circumference only when this is pressed.
REC MODE	Switches between the pit and groove modes when pressed.
PLAY MODE	Switches the spindle servo mode (CLV S y CLV A).
LEVEL/DISPLAY/CHAR	Switches the displayed contents each time the button is pressed.
A	Ejects the disc.
REPEAT	Exits the test mode.

4-7. TEST MODE DISPLAYS

Each time the LEVEL/DISPLAY/CHAR button is pressed, the display changes in the following order.

When CPLAY and CREC are started, the display will forcibly be switched to the error rate display as the initial mode.

1. Mode display

Displays “TEMP ADJUST”, “CPLAY1MODE”, etc.

2. Error rate display

Displays the error rate in the following way.

C1 = AD =

C1 = Indicates the C1 error.

AD = Indicates ADER.

3. Address display

The address is displayed as follows. (MO:recordable disc, CD:playback only disc) If the LEVEL/DISPLAY/CHAR button is pressed after pressing the

PROGRAM button, the display switches from groove to pit or vice versa.

h = s = (MO pit and CD)

h = a = (MO groove) h = Indicates the header address.

s = Indicates the SUBQ address. a = Indicates the ADIP address.

Note: “–” is displayed when the address cannnot be read.

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)

C1 error and Jitter display

(Not used in servicing)

AD error and Jitter display

(Not used in servicing)

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