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Shawnlh · 10-07-2003, 05:05 PM

I have just purchased a PIC serial interface cable to hook my Tx up to FMS, my question is, do I need to use the Tx batts. to operate FMS, or is there another solution? I would hate to be flying and have to quit because my Tx batts are dead. Any ideas on an external power source??

cplant · 10-07-2003, 05:21 PM

If you pull the crystal out of the TX your batteries should outlast your thumbs by quite a bit .

I've "flown" for a solid day and still been at 90+ percent. You should always take it out anyway, as broadcasting with your antenna down can burn out the rf unit in your transmitter.

JamesP · 10-07-2003, 07:10 PM

Yo,, what he said

Tomahawk · 10-08-2003, 04:40 AM

Hi Shawn

I built the parallel interface for my Hitec Flash5 TX. When I plug the cord into the back of my TX it automatically disables the transmitting and the TX just becomes a standard input device. You still need to turn on the transmitter to use it. I have never drained my 600mah battery after a couple hours use. It takes me about 3 weeks to drain the battery if I use it every night. I also have never removed the crystal because like I said earlier the TX is disabled and the battery lasts.
If you are still worried you are transmitting you could try using your TX with the patch cord plugged in and see if it will operate the RX in your plane.

Yes as you can tell from my avatar I like FMS.

Good Luck

Chris

Flying quietly in Southern Ontario

10-07-2003, 05:05 PM	#1
Shawnlh RCC Expert Contributor I am: Shawn Join Date: Sep 2003 Location: Medicine Hat, Alberta Radio of choice: Futaba # of RCs: 6 Feedback: 24 / 100% Posts: 829 Total Props: -2	Power Supply?? Remove this ad - become a site supporter! I have just purchased a PIC serial interface cable to hook my Tx up to FMS, my question is, do I need to use the Tx batts. to operate FMS, or is there another solution? I would hate to be flying and have to quit because my Tx batts are dead. Any ideas on an external power source??
	.

10-07-2003, 07:10 PM	#3
JamesP RCC Apprentice Join Date: Sep 2003 Location: St Catharines, Ontario Feedback: 0 / 0% Posts: 77 Total Props: 0	yep Yo,, what he said __________________ Busy is defined as your wife won't let you come out to play!! Take the Dog approach If you can't eat it or hump it, P*ss on it and walk away
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10-07-2003, 05:21 PM	#2
cplant Guest Join Date: Oct 2003 Feedback: 0 / 0% Posts: 206 Total Props: 0	If you pull the crystal out of the TX your batteries should outlast your thumbs by quite a bit . I've "flown" for a solid day and still been at 90+ percent. You should always take it out anyway, as broadcasting with your antenna down can burn out the rf unit in your transmitter.
	.

10-08-2003, 04:40 AM	#4
Tomahawk RCC Master Contributor I am: a Scratch Builder Join Date: Jun 2003 Location: Simcoe, Ontario Radio of choice: JR 9503 & DX7 # of RCs: 50+ Feedback: 0 / 0% Posts: 1,321 Total Props: 6	Hi Shawn I built the parallel interface for my Hitec Flash5 TX. When I plug the cord into the back of my TX it automatically disables the transmitting and the TX just becomes a standard input device. You still need to turn on the transmitter to use it. I have never drained my 600mah battery after a couple hours use. It takes me about 3 weeks to drain the battery if I use it every night. I also have never removed the crystal because like I said earlier the TX is disabled and the battery lasts. If you are still worried you are transmitting you could try using your TX with the patch cord plugged in and see if it will operate the RX in your plane. Yes as you can tell from my avatar I like FMS. Good Luck Chris Flying quietly in Southern Ontario
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