150 Mb Tape Drive Preventive Maintenance; Figure B-2 Cd-Rom Drive Led Status Indicators - Silicon Graphics POWER CHALLENGE User Manual

Drive status
Caddy load/spin up/standby
Unacceptable disc media
Cleaning of disc or drive needed
Disc is playing an audio track
Disc access and transfer

150 MB Tape Drive Preventive Maintenance

0 1
Seconds elapsed
On Off
= LED on
Figure B-2 CD-ROM Drive LED Status Indicators
Head cleaning is the only preventive maintenance required by the 1/4-inch
tape drive. The tape head should be cleaned after every eight hours of tape
drive operation, and after every two hours of operation when new tapes are
used exclusively.
The head cleaning procedure must be routinely done every two to
Note:
eight hours of operation to ensure that the tape drive continues to function
correctly.
150 MB Tape Drive Preventive Maintenance
2 3 4
= LED off
5 6 7
LED off − drive ready
LED off − disc auto−ejects
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