Section 3. Operation; Power-On Sequence; Circuit Breaker - Honeywell DPS 6 PLUS Operation

Mtu9921/9922 gcr/pe magnetic tape unit
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Section 3
Operation
This section describes the operation procedures for the tape unit. Th minimize the
possibility of error or damage to the tapes, it is important that the operator
understand the use and function of the various controls and indicators previously
explained in Section 2.
CAUTION
Be sure to release the door stop before closing the tape unit door. Failure
to do so will result in door alignment problems.
Power-on Sequence
OPeration
The power supply circuit breaker (Figure 3-1) is located at the top-right corner of
the tape deck. Press this circuit breaker to the ON position (side 1 pressed down).
The LOGIC OFF indicator will light momentarily. While the power-on automatic
self-test is executed, the LOGIC ON and DIAGNOSTICS indicators light and 00
appears on the two-digit display. When the self-test is successfully completed and
the unit is ready for operation, the DIAGNOSTICS indicator and two-digit dis-
play turn off, and the LOGIC ON and FILE PROTECT indicators light.
Figure
3-1.
Circuit Breaker
3-1
HD52-00

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