Ramsey Electronics SS70A User Manual page 14

Set pushbutton switch S3 to the IN position to select SPEAKER level
input.
Install the jumper block between the pins on J4 labeled "SPEAKER" to
select speaker level output.
Connect the scanner's audio output to J7, RX IN and connect your speaker
to J6 RX OUT.
TX OUT TX IN RX OUT RX IN POWER
External Speaker
TAPE RECORDER CONNECTION
In hooking up a tape recorder, we'll make use of the SS70A's TX and RX
paths. We'll scramble the audio through the TX path and send it on to the
recorder's input to be recorded. We'll use the SS70A's RX path to take the
recorder's playback audio and unscramble.
Microphone
TX OUT TX IN
External Speaker
Once the wires are "hooked up", energize the circuit and try taping a
scrambled message.Then try to playback and descramble it! While playing
SS-70A
External Speaker or Earphone
SS - 70 A
RX OUT RX IN POWER
Scanner or
Receiver
Microphone
Input
External Speaker or Earphone
O
SS70A • 14