Sony GY-2120WD Maintenance Manual page 294

6-2. Description of Commands
5 : id_len_count (Hex, ID)
Downcount of ID number by write/read
As write is processed 3IDs ahead, the lines are jumped by 3IDs for READ_TIME and 0 is
input for the last 3IDs.
33ID Read: 21, 20, 1F, ...04, 03, 02, 01
28ID Write: 19, 18, 17,..., 01, 00, 00, 00
6 : RD06
TCG IC Read Flag -3
b7 b6
—————————————————————————————————
LTCR EXT-in
rev/fwd BER
* rev/fwd : 1: rev, 0: fwd
* interplt : Interpolating by CTL
* BER
: BI-phase Error
* OVF : Overflow
* DER
: Data Error
EXT-in is not used
Normal values
Note)
Errors may occur near the Append Write positions in write and read.
Errors for longitudinal search occur during acceleration, etc.
6-70
b5 b4 b3
EXT-in EXT-in LTCR
+2% _2% OVF (=0)
Write/Read Longitudinal search
forward reverse
28 28 A8
b2 b1 b0
LTCR LTCR LTCR
DER BER interplt
GY-2120WD/WS