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4.6 KEY OPERATIONS IN TEST MODE
4-7. TEST MODE DISPLAYS
Each time the DISPLAY 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 ADJUS”, “CPLAY2MODE”, 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)
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)
POWER “X2”
Reset system and exit from test mode
REC “X2”
Switch CLV mode (CLVS
y
CLVA)
DISPLAY
Switch display mode
REC MODE “X2”
Switch between bits and groups in servo data
EJECT
Eject disc
7
PLAY “X2”
Turn servo on (When servo is already on, this key is used to switch the TRK servo on and off.)
x
STOP “X2”
Turn servo off
>
“X2”
Move SLED towards outer circumference
.
“X2”
Move SLED towards inner circumference
CD SYNCHRO
Clear PIT and GRV settings and check for PIT and GRV again
REC
When servo is on, this key is used to begin recording from the current position
DISPLAY “X2”
Used primarily to switch to link sector skip during CPLAY
INPUT
Shift key
