Re: [tracker2] 5V Output Capacity
- Interesting.....Well, I can't tell any difference between 0 and 255. I'll have to check, but I think the high jumper is in place since I was planning on using it with a mobile rig. I'm connected to the microphone input of a Kenwood TM-211A. I'll check the jumper and see what it is like with it out.It would be useful if items like TXLEVEL had the ranges and values in the manual. I just assumed that 0 was low and 255 was high. Similarly, the equalization curves in the back of the manual have two lines on them and two scales, one for gain and one for phase. But it doesn't say anywhere which is which. A legend would be nice.Any progress on the messaging thing?Thanks,Al
--- On Thu, 2/25/10, Scott Miller <scott@...> wrote:
From: Scott Miller <scott@...>
Subject: Re: [tracker2] 5V Output Capacity
Date: Thursday, February 25, 2010, 12:32 PMSetting TXLEVEL to 0 will actually set it back to 100%. Do you have the
HI jumper removed?
Firmware changes don't always make it into production units right away,
so it's always best to update it as soon as you get it.
Al Waschka wrote:
> Thanks for the reply Scott. I think I have a version 1 unit, purchased
> in October, one of the last V1's. I do have a couple of questions.....
> 1. Did you see my post about TXLEVEL? Changing TXLEVEL doesn't seem tho
> change the deviation at all. I am currently getting out with TXLEVEL
> set at 0. My reliability doesn't seem too good, sometimes my
> transmission report shows up on the Nuvi and sometimes it doesn't.
> 2. Purchasing the unit in October I would have thought it had the latest
> firmware but it doesn't recognize the SNOOP command. I can't relate the
> response to my VERSION command to the firmware versions list on the
> Wiki. What should the response to a VERSION command be?
> 3. Any plans to fix the multiple messages problem?
> --- On *Mon, 2/22/10, Scott Miller /<scott@...>/* wrote:
> From: Scott Miller <scott@...>
> Subject: Re: [tracker2] 5V Output Capacity
> To: firstname.lastname@example.org
> Date: Monday, February 22, 2010, 12:09 AM
> The regulator is rated at 1 amp, and with the v2.0 boards you can
> probably draw that much safely (they've got heavier copper and thermal
> vias to spread heat better) but you'll need to bypass the PTC fuse that
> will otherwise limit it to around 400 mA, not quite enough to run the
> nuvi when it wants to charge the battery.
> > I probably should have asked this prior to wiring my Nuvi up to
> the OT-2
> > 5 volt output, but how much power is available from the 5V regulator
> > externally? Is it OK to run the Nuvi from the OT2 5V regulator?
> > Thanks,
> > Al
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