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Table 12. OperatotControl Panel Summary
Table 12. Operator Control Panel Summary (cont.)
Switch or
Indicator
LOAD/RUN
LOAD
READY
Switch or
Function
Indicator
Functi
on
I
RUN position starts the disk drive if a
cartridge is loaded and the equipment
drawer is cI osed.
CHECK
Lighted when the drive may not be able to
write. Reset by moving the LOAD/RUN
switch to LOAD and then back to RUN.
PROTECT
Lighted when writing is inhibited. Not
lighted when writing is allowed.
LOAD position stops the disk drive.
Cartridges may be loaded and unloaded
when the LOAD indicator lights.
To inhibit writing, move LOAD/RUN to
Lighted when cartridges can be loaded
and unloaded. Not lighted when the
disk is rotating.
lighted when the disk is rotating at
2400 rpm, the read/write heads are
loaded, and no condition prevents
normal disk operations.
Not lighted
when the LOAD/RUN switch is set to
LOAD.
LOAD and then bock to RUN.
To allow writing, depress PROTECT.
CONTROLLER MAINTENANCE PANEL
Figure
15
illustrates the Model
7250
Controller and its
maintenance panel.
The controller, whose functions are
described at the beginning of Chapter
2,
is installed at the
rear of the equipment cabinet. The maintenance panel is
for the use of customer service engineers only.
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Figure
15.
Controller and Maintenance Panel
28
Control
Panels
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