I tried it on a different UV5R yesterday and it did not do it. I went back and tried it on the first one and it definitely does it. I was able to get it to stop transmitting by pressing another number key and releasing PTT.

Dennis M. Wage (W9BOQ)

245 Corum Hill Road


On Tue, Oct 15, 2019 at 3:06 PM Chuck Hast <kp4djt@gmail.com> wrote:
Here you go, more on this, I saw this about a year ago, in a blog by another person who was tasked with
finding these things.
https://www.bloomberg.com/news/features/2018-10-04/the-big-hack-how-china-used-a-tiny-chip-to-infiltrate-america-s-top-companies

More for your "enjoyment"... I am being cynical here... It should be alarm.

On Tue, Oct 15, 2019 at 7:52 AM Christopher Knowles <cknowles@tiac.net> wrote:

As a former Air Force intelligence analyst, writer on China's PLA cyber-hacking Unit 61398 in Shanghai, and student of their industries surreptitiously installing extra rice grain-sized microprocessors on motherboards from Silicon Valley manufactured by Chinese subcontracted companies overseen by Beijing, I can confirm that this facetious suggestion is indeed a reality.  Read "Patriots on the Watchtower: The Second American Revolution".  Chris Knowles, N1CAK

On 10/15/2019 8:28 AM, Dave B via chirp_users wrote:
That'll be the Chinese surveillance mode feature. ;-)

73.

Dave G0WBX.


On 14/10/2019 20:00, chirp_users-request@intrepid.danplanet.com wrote:
Subject: [chirp_users] <OFF TOPIC>
To: Discussion of CHIRP <chirp_users@intrepid.danplanet.com>
Message-ID:
	<CAE1d063upSPdb3-eYekweaaZ1ADVZDyT6Jp2TowPN1wLaQwK0g@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Found a really weird bug on my UV5R today by accident.

If you have one, try it and see if yours does the same thing.

Press and hold PTT. While holding PTT push 1 on the keypad and hold for 5
seconds. This of course sends DTMF #1.

If you release the PTT while still holding the 1 button, the radio stays in
transmit mode with the microphone on even though the display says it's back
in receive mode. I found no way to stop the transmission except to turn off
the radio.

Dennis M. Wage (W9BOQ)

    
-- 
Christopher Allan Knowles, MPA
P.O. Box 4632
Vineyard Haven, MA  02568

Please find my LinkedIn profile at:
https://www.linkedin.com/in/chris-knowles-99aba51a/

Staff Sergeant, United States Air Force, 1970 - 1974

Call Sign:  N1CAK - Amateur Extra Class
	    Accredited Volunteer Examiner (VE)
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--
Chirp + Editcp + MD380Tools on Linux
Celestial!!!
Chuck -- KP4DJT
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