Operating Instructions

CHAPTER 2
BTR-800 Base Station
Controls and Connections – Front Panel
1. Power Switch
2. [MENU] and [SET] buttons - Use to select menus and set
options on the LCD.
3. Backlit Graphics LCD (Liquid Crystal Display)
4. [UP] and [DOWN] buttons - Use to select base station options on
the LCD.
5. Portable Station Connect - Use buttons 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 controls.
Audio input and output level controls. 2-wire or 4-wire select
button with green LED indicator lights. Selected LED will change
to RED if the input levels are too high.
7. Intercom B Controls – Wired intercom B interface controls.
Audio input and output level controls. 2-wire or 4-wire select
button with green LED indicator lights. Selected 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 connection
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, or both.
11. Talk/Overmod Light – LED is green when talk button #13 is
active. A normal mic gain setting will cause the LED to flash red
on the loudest speech levels. If the gain is too high, the LED is red
at normal speech volumes.
12. Microphone Gain – Adjust the headset’s microphone gain.
Adjusts so that the overmod light #11 flashes from green to red on
loudest speech.
13. Talk Button - Press to enable the audio path from the local
handset. LED #11 turns green when enabled. A quick press and
release latches button on. If the talk function is latched on,
pressing the talk button again turns it off.
14. Local Headset Connector - Male XLR connector or female XLR.
A dynamic or electret headset microphone is automatically
detected.
FIGURE 2.
Local Headset Wiring
Male Connector
Female Connector