<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">I don't understand - I've read your description several times, and I can't follow it.<div><br></div><div>Are you trying to transmit close to a band edge and the duplex function locks the radio when the offset is outside the authorized band?</div><div><br></div><div>Duplex is a menu item, set per channel, you can set it to + positive, - negative, or off (simplex).</div><div><br></div><div>Additionally, you can set the size of the offset in the menu.</div><div><br></div><div>Menu items can be changed either through the programming software or the radio's "front panel"<br><div><br><div dir="ltr">Ken, N2VIP</div><div dir="ltr"><br><blockquote type="cite">On Mar 23, 2022, at 18:41, PS <oliver1650@gmail.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<p><font face="Arial">Hi</font></p>
<p><font face="Arial"> I a am trying to block TX in a frequency
on two Baofeng UV-5R8W radios I have a UV-5R +plus that works
as expected with duplex set to off. The two UV-5R8W that display
all 6's in the frequency and locks the radios in the transmit
mode unit powered down, upon restating it works fine, unless I
try to TX on the duplex off frequency again. All three radios
have BFB298 and 210223 firmware display. Chrip display HN5RV01
as the firmware. I am using the radio model UV-5R on the
UV-5R+plus and using the </font>BF-F8HP model for the UV-5R8W
radios. <br>
</p>
<p>Thanks for any ides on how to get the Duplex off to function as a
TX block.<br>
</p>
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