Chapter 4. Controls, Indicators, and Operation of 10/20-GB DLT Cartridge Tape Drive
Order Number: EK–SM1TB–UG. E01
4–3
Table 4–1 Right-side Front Panel Indicators and Controls
Label
Color
State
Operating Condition or Function
Write Protected
Orange
On
Loaded tape is write-protected.
Off
Loaded tape is write-enabled.
Tape in Use
Yellow
On
Tape is loaded, ready for use.
Blinking
Tape is moving.
Use Cleaning Tape
Yellow
On
Drive heads need cleaning, or else
current data cartridge is bad.
Remaining on after
you unload cleaning
tape.
Cleaning tape attempted to clean
the drive heads, but was expired
(insufficient cleaning area), so
heads were not adequately
cleaned.
Turns on again
when data cartridge
is loaded after
cleaning.
Data cartridge may be defective; try
another cartridge.
Off
Cleaning is complete or un-
necessary.
O
PERATE
H
ANDLE
Green
On
Cartridge insert/release handle is
unlocked and can be operated.
Off
Cartridge insert/release handle is
locked. Do not operate handle.
U
NLOAD
Recessed
(pushed in)
Used to unlock the tape cassette
door handle (press and hold for 1 to
2 seconds).
At rest
(out)
Normal inactive condition for this
spring-loaded push-button switch.
All right-side front
panel indicators
On (simultaneously)
Power-on self-test is starting.
Blinking
An error has occurred. Press the
Unload push-button or turn drive
power off and then on again to clear
the error.
4.2.3 D
ENSITY
S
ELECT
Switch
Activation (momentary, only) of the D
ENSITY
S
ELECT
push-button causes the tape drive first
to enter the density-select mode and then, with each subsequent momentary action, to select
the next-in-sequence density selection. In addition, this switch also functions as an
enable/disable selection switch for the tape drive’s compression capability when the drive is
operating in the TZ87 density mode, as discussed in section 4.7.1.1.
