HP 9845B/C CE Handbook page 65

Enables the tape drive test, the CRT displays
INSERT DUMMY CARTRIDGE
ENTER DIRECTIDN/SPEED
9845B/C
Diagnostics 5-9
Place a scratch tape in the selected drive if not already done. If the tape is all on
the left hand spool, it is rewound and should only be moved forward.
Pressing the left/right arrow display keys fully down will cause the drive motor to
go fast; unless stopped, the tape will un spool and continue to drive. Pressing the
display arrow keys half way down results in a slow drive speed. Pressing the
arrow keys twice results in fast drive speed. Be careful you don't unspool the
tape.
( HOME) or ( STOP) will stop the tape drive.
Pressed halfway down results in slow forward motion.
Pressed full down results in fast forward motion.
Pressed halfway down results in slow reverse motion.
Pressed fully down results in fast reverse motion.
This test verifies the tape can move both directions and speeds.
Tape System logic Test:
Press the following keys and perform the indicated steps;
Starts the tape logic test, the CRT displays
REMDVE CARTRIDGE
(CO~NUE)
Remove the tape cartridge from the drive, then press
This checks the cartridge in switch OUT position. To test the switch's IN position,
the CRT prompts:
INSERT DUMMY CARTRIDGE
(CO~NUE)
Place an unprotected scratch tape in the drive, then press
The computer tests the tape drive and logic circuits then the CRT displays the
following message;
INSERT CARTRIDGE
(CO~NUE)
The T test is finished, insert the test binary cartridge and press the CONT key.
Other tests can now be run.