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Front Panel
Switches
TABLE 2-2
TABLE 2-2 Operator Panel Switches
Switch
Description
Menu
Pressing the Menu switch accesses the menu system, steps through a series of submenus,
or answers No to a displayed question. Pressing the Menu switch the first time causes
the Online/Offline selection to display.
See
Chapter 3, "Menus"
Select
Pressing the Select switch accesses a displayed submenu, steps through possible options
of a submenu, or answers Yes to a displayed question. When the drive is Online and in a
view only submenu, pressing Select is the same as pressing Menu.
IPL
Pressing the IPL switch causes the drive to execute an initial program load (IPL)
sequence. During IPL, the drive firmware loads from non-volatile memory in an
EEPROM, to RAM. The same process occurs at power-on.
Unload
Pressing the Unload switch causes the tape cartridge to rewind, unthread, and unload;
ending with the tape cartridge ejected and retrievable.
If this switch is pressed during a write operation, the drive attempts to write the
remaining data before it unloads. A display of UnWr xxxx (meaning Unwritten Data,
where xxxx is a fault symptom code) means that the attempt failed and some data
remains unwritten to tape.
Note – Pressing Unload a second time causes the unwritten data to be
lost. Before you press Unload again, see UnWr xxxx
Front panel switches are color coded by drive model:
T9840A - Yellow
T9840B - Purple
T9840C - Green
T9840D - Deep Purple
Display
The operator panel has a 10 segment, alphanumeric display that indicates:
• Drive status
• Menu selections and configuration choices
• Error messages and fault symptom codes
• Host-generated messages
• Tape bar, if activated
The display is formed by a horizontal array of 10 segments. Each segment is formed
by an array of 35 dots—five wide and seven high
an uppercase or lowercase alpha character, a numerical digit, or a special character,
34 T9840 URM
describes T9840 operator panel switch functions.
for information/guidance with the menu system.
on page
75.
(FIGURE
2-2). Each array can form
December 2012
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