DESCRIPTION AE/LZB 119 1892 R1A
21
DISPATCH KEYBOARD
The C3 Maestro’s specially designed dispatch
keyboard, shown in Figure 6, adds tactile-feel keyboard
operation to the console thus providing dispatch speed
capability equal to a modular-type console. It provides easy
control for the advanced features of the C3 Maestro console.
Keys with similar functions are grouped together and the
most frequently used key groups are located near the bottom
of the keyboard for quick and easy access. For example,
transmit and module pick keys are located at the bottom.
Seldom used keys are located near the top of the keyboard.
Key groups include:
•
a selected module transmit (PTT) key
•
fourteen (14) module pick keys
•
fourteen (14) module instant transmit keys
•
nine (9) module control keys
•
three (3) emergency keys
•
nine (9) edit control keys
•
three (3) tone transmission keys
•
a numeric keypad (telephone style)
•
eight (8) common control function keys
•
five (5) simulselect keys
•
eleven (11) patch keys
•
five (5) telephone/intercom keys
•
ten (10) function keys and an escape key
Dispatch keyboard operation works in parallel with the
GUI user input pointing devices (mouse/track-ball/touch-
screen). All common dispatcher actions can be performed
both at the dispatch keyboard and with a pointing device. In
most cases the console user/dispatcher can switch between
the different input devices when performing sequential
actions in a multi-action operation. For example, a standard
communication module programming operation can be
started with the dispatch keyboard and completed with the
mouse.
Some console installations may not utilize the dispatch
keyboard. With the exception of PTT devices connected to
the console’s audio system such as a desk microphone and a
footswitch, these installations rely strictly on the console’s
pointing device(s) for user inputs to the console. In these
cases, user input redundancy is lost because the dispatch
keyboard is usually stored out of the console
user’s/dispatcher’s reach or it is not connected to the console
at all. This loss of input redundancy may not be an issue in
many installations such as those which employ both a
mouse/track-ball and a touch-screen monitor.
The dispatch keyboard interfaces to the Enhanced
Audio Enclosure via a serial data link. When power is
applied to it from the Enhanced Audio Enclosure, a small
built-in speaker simulates key clicks upon key activations.
The keyboard is not classified as a field-serviceable unit.
PICK INSTANT TX
MODULE CONTROL EMERGENCY
PATCH
TONES
EDIT CONTROL
HOME
PAGE
UP
END
PAGE
DOWN
HIST
SCRL
PRS
7
TUV
8
WXY
9
✴✴
O
#
CLR
ENTER
GHI
4
JKL
5
MNO
6
1
ABC
2
DEF
3
CALL
RLSE
CALL
HOLD
CALL
ANSR
CALL
FUNCS
PHONE/ICOM
TX
TELEPHONE/ICOM
MODL
8
MODL
9
MODL
1
MODL
10
MODL
11
MODL
12
MODL
13
MODL
14
MODL
2
MODL
3
MODL
4
MODL
5
MODL
6
MODL
7
MODL
8
TX
MODL
9
TX
MODL
10
TX
MODL
11
TX
MODL
12
TX
MODL
13
TX
MODL
14
TX
MODL
1
TX
MODL
2
TX
MODL
3
TX
MODL
4
TX
MODL
5
TX
MODL
6
TX
MODL
7
TX
MODULE SELECT
MODL
MUTE
MODL
MODFY
CONV
FUNCS
VOL
VOL
MODL
FUNCS
MODL
HIST
PVT
ALARM
RESET
EMER
CLR
EMER
DECLR
SIMULSELECT
S3 S4
SIMUL
VIEW
S1 S2
P1
TX
P2
TX
PATCH
VIEW
P1 P2
P3
TX
P4
TX
P3 P4
P5
TX
P5
ALERT PULSE WRBL
COMMON CONTROL FUNCTIONS
ALT
PRMPT
TX
HELP
MAIN
MENU
DRCTR
TX
MUTE
ALL
ICALL
TX
ICALL
SEL
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 ESC
SELECTED TX
C3 Maestro
Figure 6 — Dispatch Keyboard
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