Clear-Com Cellcom Instruction Manual download pdf (Page 54)

Clear-Com Communication Systems

CellCom V2.0 Instruction Manual

4-6

The CALL DESTINATION screen appears.

4. Select the port or group to be connected to the party line by scrolling

to it and pressing the rotary encoder. Doing so creates a route to the

selected destination—this port or group can now hear the activity on

the party line. (Note: this option can also be set to NONE.)

5. Select TYPE from the menu.

6. Select either Clear-Com, Drake, or RTS.

The basestation automatically sets the termination, audio levels,

and call signaling options for the selected party-line system.

Note that the Basestation does not detect the RTS call signal.

7. If the changes are saved the route will be reinstated on power up.

Note: Suggested settings for a party line connection are that the

VOX should be set to -26dB, the gain output to -6dB and the

input to 0dB.

CONNECTING TO AN RTS™ WIRED BELTPACK

CellCom can only transmit and receive audio from channel 2 of an

RTS wired beltpack. Connect using a standard XLR cable. Ensure that

the party-line type is set to “RTS” using the menu on the basestation

before enabling the party line. See the chapter “Programming a

System from the Basestation” for more information.

Warning: Previous versions of this manual described a cable

which would allow access to channel 1 of a dual channel

RTS beltpack. DO NOT attempt to use a cable like this as

it could result in damage to the CellCom basestation.

FRONT-PANEL ADJUSTMENTS FOR PARTY-LINE

CONNECTIONS

To connect the party-line channels to CellCom and make the

communication available to the rest of the system, press the CH-A

and/or CH-B enable switches. The LED will light, and the connection is

made. To disconnect the party-line connections, press these switches

again. The switch may be “locked” in the SYSTEM menu so that the

party lines may not be disconnected.

Because party-line intercom does not have global level control on a

channel, input and output level controls are provided via the front panel

programming. Scroll to PORTS on the main display screen and press

the rotary encoder to select. Scroll to PLCHA or PLCHB and press to

select. Select LEVELS, then select the input or output level. (This

notation is relative to the basestation–input level refers to the level at

which everyone else hears the party line, and output level refers to the

level at which the users on the party line channel hear everyone else.)

Use the rotary encoder to adjust the numerical level—clockwise to

increase the level and counter-clockwise to decrease the level.

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Clear-Com Cellcom Instruction Manual Page 54

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