Good afternoon, if one has a FT-102, I would ask my report on the RCA jacks on the back of it, the clavi9jeros are as follows.
AUX
PATCH
IF OUT-2
AF OUT
PTT
IF
Agradiciendo in advance for your information.
A Greeting
G. Garcia

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EA1EPM Genaro Garcia Gonzalez

Genaro,
Have you tried to download the instruction manual for the FT-102? I found one on line and here is what it says?
AUX - extra jack with no internal connections. It may be wired to suit your needs.
PATCH - Used for audio input to the transmitter, like a phone patch.
IF OUT 2 - provides wideband IF output from an early stage of the reciever for connection of a bandscope or spectrum analyzer.
AF OUT - constant level audio out from the reciever for recording purposes. About 400mv at 50k ohms and unafected by AF gain and tone controls.
PTT - connected to Push to Talk switching line allowing external control of transmit-recieve switching. The transmitter is activated when the center pin is grounded.
IF - the reciever's narrow band 2nd IF signal can be monitored wth a scope.

You may want to join an FT-102 user group or download the manual.
73
Andy - n1ork

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N1ORK Orest 'Andy' Zajac
Edited by N1ORK Orest 'Andy' Zajac on Apr 3, 2010 at 12:46 AM