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Old Aug 05, 2012, 12:35 PM
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Denmark, Capital Region of Denmark, Brøndbyvester
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Futaba trainer port - V+ or V+ switched ??

On the Futaba trainer port pin 4 and 5 is V+ and V+ switched.

But what is the difference between V+ and V+ switched ?
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Old Aug 05, 2012, 02:11 PM
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Joined Jun 2004
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Pin 4 goes to the battery +ve, p5 comes from the pwr switch, so only live when set switched on.

Steve
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Old Aug 05, 2012, 02:55 PM
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Thanks
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Old Aug 05, 2012, 09:41 PM
Marion
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Are those the battery voltages, or are they 5 volts??
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Old Aug 05, 2012, 11:16 PM
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It seems to be the voltages from the battery.
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Old Aug 06, 2012, 03:35 PM
Marion
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Thanks. For some unknown reason I had expected it to be 5 volts.....
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Old Aug 07, 2012, 05:02 PM
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United Kingdom, Oxford
Joined Feb 2003
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V+ Switched can be supplied from an external source which then only powers the encoder in the TX and not the RF output. This is used when connecting two TXs together with a trainer cable. The master TX supplies the power when switched on and the student TX takes power and remains off at the switch.

A.
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