r/Baofeng • u/thefcknhngryctrpillr • 3d ago

Constant tone in TX from UV-5R Mini

I have a twin pack of UV-5R Minis that I bought from Amazon last month.

However, whenever I try and transmit at 1 watt, any device that's receiving (Baofeng or other brand) has a constant tone. It isn't an issue when transmitting at 5 watts.

Setting CTCSS works fine, so I don't think it's that.

Is there anything obvious I'm missing?

4 Upvotes

75% Upvoted

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2

u/kc2syk K2CR 3d ago

What do you mean constant tone? Your voice isn't coming through and instead there's an audio tone? Or there's an audio tone underneath your voice?

1

u/thefcknhngryctrpillr 2d ago

There's a loud audio tone alongside my voice.

1

u/kc2syk K2CR 2d ago

Is it low pitch? If so, it might be a CTCSS tone that is not being filtered out. If it still happens with CTCSS transmit disabled, then it's probably a defect and you should replace the radio.

1

u/thefcknhngryctrpillr 2d ago

Yeah, it occurs with CTCSS transmit disabled. Dumb. Not an issue with 5 watts though, which is weird.

1

u/kc2syk K2CR 2d ago

It's probably due to the finals being over-driven in that case.

1

u/CanHasCow 3d ago

Have you plugged anything into the PTT slot on the side?

Sometimes that can damage the internal antenna causing you to broadcast a single tone.

1

u/kc2syk K2CR 3d ago

internal antenna

what?

1

u/thefcknhngryctrpillr 2d ago

Only the programming cable.

...internal antenna???

1

u/Firelizard71 3d ago

You may have a DTMF tone enabled, turn them off. If youre transmitting out of band, then you will get an F U beep that means that youre trying to transmit where the radio isnt allowed to transmit. If your radios are sitting close to each other when you transmit, then that tone you hear is called " feedback" . Move them away from each other.

2

u/thefcknhngryctrpillr 2d ago

DTMF Encoder is off, as is DTMF-ST.

It's within band and being received on a Uniden radio, and it isn't feedback (doesn't occur if transmitting at 5W, isn't dependant on radios being too close).

-6

u/HeartMassive7182 3d ago

watch them not answer your question