RTS TR-240 Dokumentacja Pobierz pdf (Strona 43)

System Operation

This section describes the different system configurations of the

BTR-240 base station and the TR-240 beltpacks.

NOTE: For all system configurations, the TR-240 battery packs

should be fully charged. Refer to the Battery Charging

Instructions in Section 4.

Wireless Mode

The most common configuration for the BTR-240 system is the

wireless mode configuration, shown in Figure 7-1. In this set-up,

the BTR-240 base station serves as the “relay” and provides

wireless coverage for up to 8 full-duplex beltpacks in wireless

mode.

Set-up

1. Select a location for the BTR-240 base station and connect

the power cord and antennas.

•

When using omni-directional antennas, place the base

station as close to the center of the coverage area as

possible.

2. Connect base station to external audio interfaces. For

example: 2-wire, 4-wire, Auxiliary, Speaker, local headset.

3. Turn on the base station.

•

The menu buttons and LCD backlight illuminate and a

progress bar displays the status while the unit is booting.

•

After approximately 25 seconds, the base station will

have completed the boot cycle and the Status Screen will

be displayed.

•

Activate the connected audio interfaces by navigating

the menu on the LCD screen.

4. Perform a ClearScan.

•

After the base station has completely booted, press and

hold the <MENU> + <SET> buttons for approximately 3

seconds.

•

The base station will run the ClearScan operation and

select the optimal RF channel for operation.

5. Plug headsets into the TR-240 beltpacks and turn them on,

one by one.

•

If the beltpack has not been previously set to wireless

mode, press and hold the <TALK> button while the

beltpack boots.

•

Allow a few seconds between each beltpack power on.

•

After approximately 20 seconds, a voice prompt will

announce “wireless” in the beltpack headphones

indicating that wireless communications has started.

•

The base station will increment the association status on

the Status Screen next to “Assoc: XX” for each of the

active full-duplex beltpacks.

Wireless Capacity Limit

Up to 8 full-duplex wireless beltpacks can be used with a single

BTR-240 base station for reliable and uninterrupted

communications on a clear RF channel. Many more half-duplex

beltpacks can be used.

If a BTR-240 base station is loaded beyond its capacity limit, the

usability becomes highly subjective. Users will begin to

experience drop outs and potentially delays in the audio.

For example, a BTR-240 base station has 6 full-duplex wireless

beltpacks and 28 half-duplex beltpacks. If 2 of the half-duplex

beltpacks became full-duplex at the same time, the system will

still be operating within the system limitations. If 4 of the

half-duplex beltpacks were to become full-duplex, for a total of

10 full-duplex beltpacks, then the system would be operating

beyond its loading limit and the users will begin to experience

audio drop outs and potentially delays in the audio.

NOTE: The capacity limit may not be achieved if there is

interference on the RF channel of operation. For further

details, refer to Wireless Interference in Section 10.

Section 7 - System Operation

TALK

CHANNEL

SELECT

VOLUME

BTR-240

POWER

set

Figure 7-1

Eight Beltpacks in Wireless Mode

7-1

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 85 86

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