I don't understand - I've read your description several times, and I can't follow it.

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?

Duplex is a menu item, set per channel, you can set it to + positive, - negative, or off (simplex).

Additionally, you can set the size of the offset in the menu.

Menu items can be changed either through the programming software or the radio's "front panel"

Ken, N2VIP

On Mar 23, 2022, at 18:41, PS <oliver1650@gmail.com> wrote:



Hi

    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 BF-F8HP model for the UV-5R8W radios.

Thanks for any ides on how to get the Duplex off to function as a TX block.


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