ERASING TAPE
(see
Figure 9)
To erase the tape, press and hold
the
WRITE pushbutton and press the ADVANCE
pushbutton.
The tape is erased as
it
is advanced.
To erase a complete cassette
rapidly, use a commercially available bulk cassette erase unit.
NOTE
Before using a bulk eraser, check the knockout tab.
If the tab is missing, this would indicate that there
is permanent data stored on the cassette.
LOCKED MODE OF OPERATION
{See ·Figure 9)
. . .
l{hen the LOCK pushbutton is pressed, trke
pt1sl1butto11
will light and the STOP
r)ushbutton will light if it was not
l i t
previously.
When the TCA is in the
11
l,o ek:ed" mode of opera ti on, it cannot be put in t11e "Read" or "Write" mode
of c'pe.cation; and the TCA canno·t be controlled by
externally generated con-
trc<i. c·nd.es
if you are in an "On Line" con.di tion.
The ADVANCE and REWIND
1.xu~3bb1tttons
are still active and can be pressed to move the tape.
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