Teac MT-20D-IO Maintenance Manual page 169

"SCSI"
(3) Check procedure
(a) Connect SOD in accordance with Item 4-2-7.
(b) Load the work tape on MTU.
(c) Key in "BE". "B2". and "A4". The tape is rewound up to BOT.
(d) Key in "DS1". and
"AA".
The MTU starts the write error test.
(e) After the completion of the write error test. key in "B2" and
flB3" . Then. SENSE DATA O. 1. and 2 are indicated to the display
of SOD. Check
i f
the display is "FO. 00. 4D".
(f)
Key in "BB". The. the transfer block count is indicated in
hexadecimal notation to the display of SOD.
Record this value. (This data is necessary to check if the
transfer block count matches when read error test is made by using
the same tape.)
Key in "B2". "B6". "B7". Then. most significant one byte of the
error count is indicated in hexadecimal notation to the least
significant two digits of the display on SOD.
Key in "B8". Then. the least significant one byte is indicated in
hexadecimal notation to the most significant two digits on the
display of SOD.
flB7"
I I I I I
I I
'--v-'
Most significant one byte
"B8"
I I I I I
I I
'---v---/
Least significant one byte
Fig. 433 Indication of Error Count on SOD
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