So I understand the basics of transmitters and receivers(am/fm vs 2.4 ghz, channel mixing, EPAs vs steering direction, etc.).

However, I'd like a little help as I purchase my first "non-RTR" radio set. What I don't completely grasp is model memory. I know what it does (stores the setting for a given vehicle/receiver), but my quesiton is about how it is employed.

My questions:
1. How do I take advantage of model memory so thatI have a singletx that I can use on multple cars?
2. Do I need to purchase the same rxpartfor each radio?
3. Or, can I purchasea compatiblerx for the tx - compatible meaning any rx of the same tx brand?
4. Or do you guys simply install the rx for each additional vehicle you want to use the radio on?

Example:
Let's say I purchase the Spectrum DX3C for my D8T. It comes with the sr300 rx. Can I use the radio on myLosi 810 (which also has a sr300 rx)? If so, do Ijust bindthe two?Assuming this is true, when I build my Mugen MBX6,doneed to get an sr300 rx, or will anySpectrum receiverwork?

Finally, what are your thoughts on telemetry? Is it worth it...is it accurate....is there a large footprint with the additional wiring?

Thanks!

hmm ok
as for model memory some radios use that to mean it stores what its bound too as some of the ones that state model memory only have knobs on them
Now if it has an LCD screen it stores X-setups as the setups as on most it doesn't enable a RX based on what model you have selected.
Like on my radios on my one I have 8 or 10 setups entered with names for each RC and I select the one in particular that I want to use. But I can use any of those setups with any RC that is bound to that radio. On my other radio as they got lazy and lowered the model selection to a # only instead of a full name field I just use the 1st and modify it to whatever RC I have.

Hope that made sense

As for the reciever question its usualy that brands RX that you need, and generally the same number. I'm sure other models might work if they use the same transmission setup(basically the acronym for example AFHDS which stands for automatic frequency hopping digital system that flysky uses). Now there are some RX's sold by hobbyking that say they are compatible with certain brands of radios (I think they have a spectrum RX) that might work too

The example you gave yes it would work as the 2 RX's are the same exact model #

Telemetry sounds nice, BUT honestly I can't see the big hype over it. Lets face it its not like you can really look at it while running if you do you risk wrecking your RC . I can also see it killing batteries faster as its pulling more power so it can transmit all the data back to you. But that is just my opinion on the matter. Now if it had an audible alarm for a heat sensor that you could set to tell you when the motors getting too hot then yes I'd say its worth it, or an alarm you can set to say when a cell is low on voltage there again I can say it would be useful, but the ones that tell you your RPM's, MPH, etc I see as just extra fluff that is distracting, and adds extra cost onto the thing, but that is just my opinion on the matter.

I HOPE that makes sense as I'm pretty tired today

This helps a lot. Thanks/

I've decided to go with the Spectrum DX3C DSM mainly because I already have two sr300 receivers...PLUSif Iever want to driveAndrew's 8ight 2.0 I can use my own radio and not touch his grubbyDX3S. ;-)

The DX3C does not have telemetry (although the 3S does)....however, I'm not interested in all that just yet...if ever.

Yes you will have to purchase more recievers, depending on how many R/Cs you plan on using.
If you already use spectrum then just stay with spektrum. I like the Futaba radios myself because they are more accurate and smoother.