Ranger RCI-2950DX User Manual download pdf (Page 10)

The Defpom Ranger RCI 2950 Mods Page

For you 2970 owners another choice exists. Use the RB or SWR signal to turn the power amplifier on

and off.

Locate the 2 pin plug going to the linear unit. One wire is the hot 8 volts for transmit.

Connect this to the emitter of a PNP 2N3906, tie the emitter through 4.7k to the base.

Connect the base through 10k to your chosen open collector output either RB or SWR.

Connect the collector to the wire going to the linear.

Now when you push the front button you will allow or not allow the transmit 8 volts to activate the

relay inside the linear unit. More Cool!

No holes in the covers and selectable high or low power!

Russell Clift AB7IF

http://www.cybertrails.com/~drvel/

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Ranger RCI-2950DX User Manual Page 10