The Senhaix 8800 Pro only works with a dummy radio; it can only receive, but the transmitting party cannot receive.

BG5FEE

如题，昨天出门去爬山，朋友带了一对小巧的傻瓜对讲机，只能加减频道，没有显示屏，我用8800自带的扫描对频，显示NONE亚音，确认亚音关闭，频道一致，只能接收，我说话傻瓜对讲机就是收不到。
回来我测试用我另外的UV83对频，同样的方法和参数，可以正常收发。
去抖音搜索了一下，有很多人遇到同类问题，目前初步结论：
1.目前排除是我机器的问题和设置问题。
2.如何排查傻瓜对讲机问题原因？
有没有火腿遇到过这种问题？

BG2EFX

Scan for a while; maybe you'll find something below audio frequency.
Secondly, if the other side is using a non-standard Yamaha, then there's no way to proceed. Non-standard equipment is essentially unsolvable.

BG5FEE

BG2EFX I scanned multiple times, but all results were "NONE." When I switched to a different channel on the dumb radio, I was able to detect sub-audible frequencies. However, even when I used that channel to transmit, I couldn't establish communication. This is quite strange. I have not tested with any other devices.

BG5FEE

BG2EFX I scanned multiple times, but all results were "NONE." When I switched to a different channel on the dumb radio, I was able to detect a weak signal. However, even when I used that channel to transmit, I couldn't establish communication. This is quite strange. I have not tested with any other devices.

BG5FEE

BG2EFX I scanned multiple times, but all results were "NONE." When I switched to a different channel on the dumb radio, I was able to detect sub-audio frequencies. However, even when I used that channel to transmit, I couldn't establish communication. This is quite strange. I have not tested with any other devices.

BG5FEE

BG9JDI

There should be a frequency difference; try plugging in a frequency line to see if it works.

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