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AE/LZB 119 1892 R1A DESCRIPTION

monitoring at the console. Indications are displayed

in one or more RSM modules. Each RSM module

is assigned a status code number which corresponds

to a unique radio unit-transmitted status code

utilized throughout the EDACS radio system. 128

status codes are available for RSM and RTT

operations. Using a scrolling-type user interface,

each RSM module can display up to sixty-four (64)

radio units’ names/aliases which have transmitted

an equal status code (assigned to the RSM module).

Each listed name/alias is time-stamped when the

status code message is received by the console.

•

Request-To-Talk (RTT) Modules (see Figure

3)—The RTT feature licensed option is similar to

the RSM option except the dispatcher may, as

desired, individually reply to a unit requesting

communications with dispatch via a radio status

code transmission. Dispatcher reply is

accomplished via an individual call to the

desired/chosen unit with the dispatcher being the

caller and the requesting-to-talk unit being the

callee. The individual call is initiated directly from

the respective RTT module holding the queued-up

requesting-to-talk unit(s). RTT queue status is

indicated by displaying radio units’ aliases/names

or logical ID (LID) numbers within the particular

RTT module. Using a scrolling-type user interface,

each RTT module can display up to sixty-four (64)

radio units which have transmitted an equal status

code. Unlike RSM modules, RTT modules do not

time-stamp each radio unit listing.

•

Auxiliary Input/Output (I/O) Modules (see

Figure 5)—Using auxiliary I/O modules at the

console, a console user/dispatcher can monitor and

control the state of CEC/IMC auxiliary I/O events.

Auxiliary I/O is a feature licensed option at the

C3 Maestro console for Windows NT. Each

module is assigned to a specific CEC/IMC

auxiliary I/O event. Each has a large button at the

top and a small text line at the bottom. The large

button provides a text label identification area for

the assigned event, output control via the

mouse/track-ball/touch-screen if the assigned event

is an output type, and/or acknowledged control via

the mouse/track-ball/touch-screen if the assigned

event is an acknowledge input type. The small text

line at the bottom indicates the current event state

(active or inactive) via user-friendly text labels. As

the system requires, both the button labels and the

text line labels are customizable on a per-module

basis.

•

Page Button Panel—The console’s page button

panel—a static display item—provides two (2)

basic functions for the console’s module pages.

First, it is the GUI screen display item which

provides module page selection via the

mouse/track-ball/touch-screen; each button on the

panel can be pressed to select the corresponding

module page. Secondly, for all pages which are not

currently selected, each button highlights to

indicate an incoming call exists or an emergency

has been declared on at least one entity

programmed into a standard communication

module on the respective page.

•

Message Panel—The message panel—a static

display item—consists of two text lines which

indicate various messages to the console

user/dispatcher. The bottom-most line primarily

displays system and operator error messages. The

top-most line displays system-wide related

messages such as emergency declarations,

CEC/IMC auxiliary input/output (I/O) event state

transitions, and RSM and RTT radio status-related

messages. In most cases system-wide indications

are also displayed in another area of the screen. For

example, indication of an emergency declaration on

a trunked talk group also occurs in the standard

communication module programmed with the

respective group entity upon which the emergency

was declared.

•

Status Panel—The console’s status panel—a static

display item—contains six (6) small dedicated text

areas for various system status indications. These

indications include the console’s number

(CEC/IMC console assignment number), the

lowest-level EDACS trunked site operational status

of all trunked sites connected to the CEC/IMC

(full-feature trunking, failsoft trunking, etc.), Call

Director status (off hook), audio system off or

headset connected status (a shared area), CEC/IMC

database download status, and speaker audio mute

all status (of all unselected standard communication

modules).

•

Volume Units (VU) Meter Panel—Basically, the

VU meter panel—a static display item—displays

relative audio levels of transmit and receive audio

to and from the selected entity/module. Indication

is in a bar graph format. When the console is

receiving a call from the selected entity, the panel

displays the relative level of the audio incoming

from the CEC/IMC. When the console is

transmitting to the selected entity (or to any

unselected entity via an “instant” transmit

function), the panel displays the relative level of

transmit audio level being sent to the CEC/IMC.

•

Clock Panel—The clock panel—a static display

item—displays the current time in an

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