BBK PV420S, Service Manual

Page: 102 / 299

– 99–
CXD3068Q
The meaning of the data for each address is explained below.
$4X commands
Register name
4
Data 1
Command
Data 2
MAX timer value
Data 3
Timer range
AS3 AS2 AS1 AS0 MT3 MT2 MT1 MT0 LSSL 0 0 0
Command
Cancel
Fine Search
Focus-On
1 Track Jump
10 Track Jump
2N Track Jump
M Track Move
0
0
0
1
1
1
1
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
RXF
1
RXF
RXF
RXF
RXF
AS3 AS2 AS1 AS0
RXF = 0 Forward
RXF = 1 Reverse
• When the Focus-on command ($47) is canceled, $02 is sent and the auto sequence is interrupted.
• When the Track jump commands ($44 to $45, $48 to $4D) are canceled, $25 is sent and the auto sequence
is interrupted.
• To disable the MAX timer, set the MAX timer value to 0.
$5X commands
MAX timer value
MT3
23.2ms
1.49s
11.6ms
0.74s
5.8ms
0.37s
2.9ms
0.18s
0
1
0
0
0
0
0
0
MT2 MT1 MT0 LSSL 0 0 0
Timer range
Timer TR3 TR2 TR1
TR0
Blind (A, E), Overflow (C, G)
Brake (B)
0.18ms
0.36ms
0.09ms
0.18ms
0.045ms
0.09ms
0.022ms
0.045ms