consists of a standard keyboard with 16 function
The last key on the third row, labeled
keys and arrow and home keys imbedded in a
RETURN, is used by the operator interchangeably
with the last key on the fourth row, labeled LINE
numerical keypad. We will describe the function
keys, standard keyboard, and the arrow/home
FEED, to enter a manual entry message. The first
keys from left to right and top to bottom.
key and the next-to-last key on the fourth row are
both labeled SHIFT. While depressed, either key
enables entry of the upper character on dual-
Function Keys
character keys. It has no effect when used with
the single-character keys.
These keys are arranged in two rows of eight
keys each across the top of the keyboard. The first
six keys across the top row are not used.
Arrow/Home Keys
The seventh key is labeled CONTROLLABLE
PLASMA WORKSTATION SELECT. When
Only four of these keys are used by the
operator. They are used in conjunction with either
depressed, it switches the plasma display
of the SHIFT keys to perform the following
connected to the keyboard from controllable
functions:
plasma display to work station plasma display
or vice versa. The eighth key is labeled DISPL
SHIFT →6.--Scrolls the plasma display
BRT↑. The operator uses this key to increase the
one line at a time from the current display
brightness of the plasma display in fixed steps with
toward the most recent log entry.
each activation of the key.
The first six keys in the second row are
SHIFT ←4.--Scrolls the plasma display
used by the operator to enter damage control
one line at a time from the current display
symbols in the manual entry and edit message.
toward the oldest log entry.
The seventh key is labeled BELL LOG PRINT.
When depressed, it causes a bell log to be printed
SHIFT ↓2.--Advances from the present
on the thermal printer. The eighth key in the
second row is labeled DISPL BRT↓. The operator
CURRENT STATUS LOG displayed to
the next newest CURRENT STATUS
uses this key to decrease the brightness of the
LOG (advances in time).
plasma display in fixed steps with each activation
of the key.
SHIFT ↑8.--Advances from present the
CURRENT STATUS LOG displayed to
Standard Keys
the next oldest CURRENT STATUS LOG
(backwards in time).
Because most of the standard keys are self-
explanatory, we will describe only the keys that
The operator may also use the ↓2 and the ↑8
have special functions. The first key on the top
(without the SHIFT key) to perform the same time
row, labeled ESC, is used to terminate a command
delay modifications of the 2 and 8 keys on the
function and return to the menu list. The third
standard keyboard.
key, labeled 2, is used during alarm table
modification to decrease alarm delays. For delays
between 1 and 30 seconds, each activation of this
PROPULSION AND AUXILIARY
key decreases the delay by 1 second. For delays
CONTROL CONSOLE
between 30 seconds and 10 minutes, each
activation of this key decreases the delay by
The PACC operates in conjunction with the
5 seconds. The ninth key, labeled 8, is used
SCU 1 (in MER 1) and the SCU 2 (in MER 2).
during alarm table modification to increase alarm
The SCUs provide the local control for four GTEs
delays. For delays between 1 and 30 seconds, each
that drive the port and starboard shafts, and they
activation of this key increases the delay by
provide the interfaces with the auxiliary machinery
1 second. For delays between 30 seconds and
plant. The PACC communicates with the SCUs
10 minutes, each activation of this key increases
and with other consoles in the MCS over the ship's
the delay by 5 seconds. The last key on the first
data multiplexing system (DMS).
row, labeled BACK SPACE, serves as an erase
The majority of panels and controls are
function by moving the cursor back one space
identical on the PACC and the SCUs. The major
with each activation when in the manual entry and
difference in the two consoles is in the quantity
edit mode.
7-8
