GE TermiNet 300 Operator's Manual page 35

Slow Rewind Condition. If there is no data on the tape and you attempt to
back up the tape
by
pressing the STOP and BLOCK REWIND pushbuttons or
by
generating the SUB control character (CTL and Z keys), the TCA will go into
a "slow rewind" condition. To stop the "slow rewind" condition, press the
LOCKED or ADVANCE pushbuttons. Also the "slow rewind" condition will stop
when data on the tape is sensed.
FUNCTIONAL RESPONSE CHART
(see Figure 10)
The Functional Response Chart is a quick reference for operating the TCA.
The extreme left hand column describes the TCA's mode of operation. The
extreme top row describes an action. By intersecting the appropriate column
with the appropriate row, the resulting block will describe the TCA's response
to the action taken.
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