Fostex CR200 Service Manual page 51

(6) Operation Flow Chart 3
STOP to REC sequence.
(From STOP mode)
Start recording.
SETUP
Same as ÒSTOP to PLAY sequenceÓ.
No
Execute OPC ?
OPC
Execute test recording (sweep recording)
1
at inner section of disc (power calibration
area).
2 Playback recorded area.
Upon result of playback, optimum power
3
is decided.
SEARCH
Search section to be recorded continuously
(end of last recording section).
REC - PAUSE
REC request ?
No
No
Pass through
end of recording
section ?
Yes
1 track REV jump
REC
¥Set EFM Encoder and Servo circuit to REC
mode.
¥Output optimum recording power obtained
by OPC.
(REC mode)
If OPC (Optical Power Calibration) is
already executed on presently inserted
disc after powering on, no more OPC
will be executed.
Yes
Yes
End
The optimum recording power is automatically adjusted
by making 15 levels of sweep recording every 13.3ms.
1 ATIP (sub code) frame : 13.3ms
1 2 3 4
ATIP
sync
Recording
power
Reproduce
RF waveform
(AC coupled)
5 6
13 14 15
CR200
51