[chirp_users] BAOFENG UV5R - Imaging

[X-Rogue]

From my experience, the UV-82C or lower units have a dummy S-Meter.
UV-82HP does indeed have a working S-Meter.

Lynda
W5EGL

> On Nov 22, 2017, at 9:33 AM, Tom Consodine ND5Y via chirp_users <chirp_users at intrepid.danplanet.com> wrote:
> 
> I haven't seen anybody post anything about Baofeng, or clone company, 
> production procedures so I don't know if they calibrate every single 
> radio. I think probably not because that would increase the cost but I 
> could be wrong.
> 
> Calibration settings could be determined in a prototype "golden unit" 
> and then the exact same settings could be programmed into the 
> one-time-programmable firmware memory in each production unit.
> 
> The UV-5R/UV-82 series have only two trimmers on the board, reference 
> oscillator frequency and power level. I bet that is they only things 
> they set on the production line.
> 
> I have never hear of anybody having one with a working S-meter so I 
> don't think that is calibrated at all.
> 
> Tom ND5Y
> 
>> Don't know about these radios but many have oscillator frequencies, RF and IF gain, oscillator injection levels, s-meter calibration and much more saved in software at calibration time so no two radio's images are alike.
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