Telex TR-825 BTR-800 Base Station, Controls and Connections Front Panel, BTR-800 Front Panel

Section

2

BTR-800 Base Station

Controls and Connections - Front Panel

1 2

MENU

ClearScanTM

SET

3	4	5	6	7	8	9		11
							10		12
RadioComä	UP	BTR-800	2 WIRE	2 WIRE		ON/O.M.	VOLUME	TALK/O.M.
			IN	IN	IN
							A
		1 2 3 4	4 WIRE	4 WIRE				MIC GAIN
			OUT	OUT	OUT		B
			SELECT	SELECT		ON/OFF
COPY	DOWN	PORTABLE STATION CONNECT	INTERCOM A	INTERCOM B	AUXILIARY	SELECT		TALK

	Figure 1		13 14
	BTR-800 - Front Panel
1.	Power switch.	11.	Talk/Overmod Light – LED is green when talk button
			#13 is active. A normal mic gain setting will cause the
2.	[Menu] and [Set] buttons – Used to select menus and set		LED to flash red on the loudest speech levels. If the gain
	options on the LCD.		is too high, the LED will be red at normal speech volumes.
3.	Backlit Graphics LCD (Liquid Crystal Display).	12.	Microphone Gain – Adjusts the headset’s microphone
			gain. Adjusts so that the overmod light #11 flashes from
4.	[Up] and [Down] buttons – Used to select base station		green to red on loudest speech.
	options on the LCD.

5.Portable Station Connect – Buttons used to enable or disable the respective receiver’s audio. GREEN LED = Audio enabled, LED OFF = Audio disabled.

6.Intercom A Controls - Wired intercom A interface con- trols. Audio input and output level controls. 2-wire or 4-wire select button with green LED indicator lights. Se- lected LED will change to RED if the input levels are too high.

7.Intercom B Controls - Wired intercom B interface con- trols. Audio input and output level controls. 2-wire or 4-wire select button with green LED indicator lights. Se- lected LED will change to RED if the input levels are too high.

8.Auxiliary Controls - Wired auxiliary interface controls. Audio input and output level controls. GREEN LED = Aux. input enabled. LED will change to RED if the input levels are too high.

9.Headset Volume – Controls the volume to the headset connected to #14.

10.Headset Intercom Select – Controls the intercom to which the local headset is connected. Each press of the button changes the connection; channel A, channel B, both.

13.Talk Button – Press to enable the audio path from the local headset. LED #11 will turn green when enabled. A quick press and release latches button on. If the talk function is latched on, pressing the talk button again will turn it off.

14.Local Headset Connector – Male XLR connector for Telex units, Female XLR connector for RTS units. A dy- namic or electret headset microphone is automatically de- tected.

Telex Units

(1) Microphone		(4) Headphone
Shield (-)		Low (-)
(2) Microphone		(3) Headphone
Audio (+)		High (+)
(4) Headphone		RTS Units
		(1) Microphone
Low (-)	PUSH
		Shield (-)
(3) Headphone
High (+)		(2) Microphone
		Audio (+)
	PUSH	(1) Microphone
(5) (4) Headphone		Shield (-)
Low (-)
(3) Headphone		(2) Microphone
High (+)		Audio (+)

Figure 2

Local Headset Wiring

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