PORTABLE STATION 1 CONNECT
WTA A
TRANSMIT 1
| LOGIC |
RECEIVE | 1 OF 5 |
1 | SELECT |
PORTABLE
STATION 2
CONNECT
| LOGIC |
RECEIVE | 1 OF 5 |
2 | SELECT |
PORTABLE
STATION 3
CONNECT
| LOGIC |
RECEIVE | 1 OF 5 |
3 | SELECT |
PORTABLE
STATION 4
CHANNEL A |
|
|
A | B | TALK |
CHANNEL |
| TALK |
SELECT |
| |
|
|
LOGIC
HEADSETVOLUME
1 | 4 |
2 3
XLR
MIC
GAIN
CHANNEL B
AUXILIARY
INTERCOM A
OUT 
2 WIRE
INTERCOM A
IN
R J11
STYLE
4 WIRE
2 WIRE
INTERCOM B
IN
RJ11
LOGIC | SELECT |
4 | 2 |
W | W |
I | I |
RR
EE
INTERCOM A
MALE FEMALE
XLR
4 WIRE 2 WIRE
I/C
C
TL
ER E
LT A
ES R C
XO M
INTERCOM B
4 WIRE 2 WIRE
XLR
CONNECT
AUDIO INPUT
IN
STYLE
4 WIRE
MALE FEMALE
| LOGIC |
RECEIVE | 1 OF 5 |
4 | SELECT |
XLR
FEMALEON/O.M.
ON/OFF
LOGIC
WTA B
SA
BTR-800 Block Diagram
INTERCOM B
OUT
OUT
TRANSMIT 2
LOGIC 
SELECT
AUXILIARY
AUDIO
OUTPUT
XLR
MALE
XLR
MALE
STAGE
ANNOUNCE
OUTPUT
RELAY
CONTACT
LOGIC