ˆSet pushbutton switch S3 to the IN position to select SPEAKER level input.

ˆInstall 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.

SS-70A

TX OUT TX IN RX OUT RX IN POWER

External Speaker

Scanner or

Receiver

External Speaker or Earphone

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

SS - 70A

TX OUT TX IN RX OUT RX IN POWER

External Speaker

Microphone

Input

External Speaker or Earphone

O

Once the wires are “hooked up”, energize the circuit and try taping a scrambled message.Then try to playback and descramble it! While playing

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Ramsey Electronics SS70A manual Tape Recorder Connection, SS 70A