Technical data

3.1.3.7 Summary of TK70 Tape Drive Controls and Indicator Lights
Table 3–5 summarizes the TK70 tape drive controls. Table 3–6 describes
the meaning of the indicator lights.
Table 3–5: TK70 Tape Drive Controls
Control Position Function
Handle Open Lets you insert or remove a tape after rewind and
unload operations are completed.
Closed Locks tape in operating position and begins load
sequence.
Unload button Momentary
contact switch
Rewinds and unloads the tape.
Table 3–6: TK70 Tape Drive Indicator Lights
Orange Yellow Green Condition
Off Off Off No power to the tape drive.
Off Off On steadily Safe to move cartridge release
handle. Power is present.
Off Off Blinking Load fault. The cartridge leader
may be defective. Pull out the
handle and remove the cartridge.
Do not use the cartridge.
On/Off On steadily Off Tape is loaded but not in motion.
On/Off Blinking Off Tape is in motion.
On On steadily/
blinking
Off Cartridge is write protected.
Blinking Blinking Blinking A fault is occurring. Press the
Unload button to unload the tape
cartridge. If the fault is cleared,
the yellow light blinks while the
tape rewinds. When the green light
comes on, you can move the handle
to remove the cartridge. If the
fault is not cleared, all three lights
continue to blink. Do not attempt
to remove the tape cartridge. Call
your Digital service representative.
Operating the System Options 3–29