[chirp_users] UV5R programming problems

[Richard]

Thanks all,

Bug 4165 ( http://chirp.danplanet.com/issues/4165 ) sounds a lot like my
problem and explains all the behaviour I have observed. At some point I
will try prodding the DTR line and see if that is what puts the radio into
transmit which would pretty much confirm it. Only thing is that I didn't
think the DTR line was connected in my cable, though it could still be an
issue of default states of an uninitialised port (with this USB-serial
device and driver anyway). What is interesting is that the PTT /RXD line is
grounded for PTT so sending a logic-zero is inherently equivalent to
pressing PTT, I guess it's just normally of too short duration for the
radio to respond to it. That would mean that if the PC-TXD-->Radio-RXD line
defaults to low when the port isn't open (as opposed to high OR tristate)
then it is exactly equivalent to holding PTT. Or have I missed something
here?

It's useful to know that RTSYSTEMS and Wouxon cables behave. I have the
guts of the first one I bought, I could use that to make a new cable up.
Has anyone used the version which level-shifts RS232 levels with two
transistors rather than using a TTL-level USB-serial board? This kind of
thing: http://www.hamradio.in/circuits/images/baofeng/programmer.jpg


Cheers
Richard

On 30 October 2016 at 12:44, Chris Petry <chrispetry1971 at gmail.com> wrote:

> I used the instructions at miklor.com and made my own cable. Much cheaper
> than store bought and it works every single time.
>
> Chris KM4PUR
>
> On Oct 29, 2016 10:46 PM, "Jim Unroe" <rock.unroe at gmail.com> wrote:
>
>> On Sat, Oct 29, 2016 at 10:32 PM, Robert Baird via chirp_users
>> <chirp_users at intrepid.danplanet.com> wrote:
>> > I am just starting out with my radio, I had this problem and I did not
>> have
>> > my radio in frequency mode.
>> > Thank You Robert
>> >
>>
>> When programming a UV-5R manually using the keypad, the radio must be
>> in VFO (frequency) mode with the top (A) display line selected. It
>> doesn't matter which mode the radio is in or which display line is
>> selected when programming with a computer.
>>
>> Jim KC9HI
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>>
>
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