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BTR-800 Base Sta tion
Con trols and Con nec tions - Front Panel
1. Power switch.
2. [Menu] and [Set] but tons – Used to se lect menus and set
op tions on the LCD.
3. Backlit Graph ics LCD (Liq uid Crys tal Dis play).
4. [Up] and [Down] but tons – Used to se lect base sta tion
op tions on the LCD.
5. Por ta ble Sta tion Con nect – But tons used to en able or
dis able the re spec tive re ceiver’s au dio. GREEN LED =
Au dio en abled, LED OFF = Au dio dis abled.
6. In ter com A Con trols - Wired in ter com A in ter face con -
trols. Au dio in put and out put level con trols. 2-wire or
4-wire se lect but ton with green LED in di ca tor lights. Se -
lected LED will change to RED if the in put lev els are too
high.
7. In ter com B Con trols - Wired in ter com B in ter face con -
trols. Au dio in put and out put level con trols. 2-wire or
4-wire se lect but ton with green LED in di ca tor lights. Se -
lected LED will change to RED if the in put lev els are too
high.
8. Aux il iary Con trols - Wired aux il iary in ter face con trols.
Au dio in put and out put level con trols. GREEN LED =
Aux. in put en abled. LED will change to RED if the in put
lev els are too high.
9. Head set Vol ume – Con trols the vol ume to the head set
con nected to #14.
10. Head set In ter com Se lect – Con trols the in ter com to
which the lo cal head set is con nected. Each press of the
but ton changes the con nec tion; chan nel A, chan nel B,
both.
11. Talk/Overmod Light – LED is green when talk but ton
#13 is ac tive. A nor mal mic gain set ting will cause the
LED to flash red on the loud est speech lev els. If the gain
is too high, the LED will be red at nor mal speech vol umes.
12. Mi cro phone Gain – Ad justs the head set’s mi cro phone
gain. Ad justs so that the overmod light #11 flashes from
green to red on loud est speech.
13. Talk But ton – Press to en able the au dio path from the lo cal
head set. LED #11 will turn green when en abled. A quick
press and re lease latches but ton on. If the talk func tion is
latched on, press ing the talk but ton again will turn it off.
14. Lo cal Head set Con nec tor – Male XLR con nec tor for
Telex units, Fe male XLR con nec tor for RTS units. A dy -
namic or electret head set mi cro phone is au to mat i cally de -
tected.
Fig ure 2
Lo cal Head set Wiring
2-1
TALK
MIC GAIN
TALK/O.M.
VOLUME
SELECT
A
B
ON/O.M.
ON/OFF
IN
OUT
AUXILIARYINTERCOM B
2 WIRE
4 WIRE
SELECT
IN
OUT
2 WIRE
4 WIRE
SELECT
IN
OUT
INTERCOM A
PORTABLE STATION CONNECT
1 2
3
4
UP
DOWN
MENU
SET
RadioCom
ä
BTR-800
ClearScan
TM
COPY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Fig ure 1
BTR-800 - Front Panel
(1) Microphone
Shield (-)
(2) Microphone
Audio (+)
(3) Headphone
High (+)
(4) Headphone
Low (-)
Telex Units
(4) Headphone
Low (-)
(3) Headphone
High (+)
(1) Microphone
Shield (-)
(2) Microphone
Audio (+)
PUSH
Section
2
(5) (4) Headphone
Low (-)
(3) Headphone
High (+)
(1) Microphone
Shield (-)
(2) Microphone
Audio (+)
PUSH
RTS Units