软件用的JTDX，在电脑上显示能发射，但是在电台上却没有输出功率显示，这种情况是软件设置问题还是其他什么问题，求解答

用的什么线，输出音量调大点呢？jtdx数字增益拉满，如果有盒子有电位器也可以调一下

用什么版本的JTDX？我用石家庄版也是如此，换官方版就没问题，一直没搞懂

@"Shiro"#p70005 好的，我只有下周末去楼顶上把天线架好试一下

891要调成u-d模式吧，你用机器后面的8芯转3.5么

@"[未知用户]"#p70005 好的，我只有下周末去楼顶上把天线架好试一下

@"BA7NNC-JOE"#p70008 那应该就是这个问题，我也是用的石家庄版

@"BD8ECX"#p70018 嗯嗯那换官方版试试看

检查天调、电脑音量、连接线、电台模式、增益。

你打算用DATA模式还是USB模式？ DATA模式设置可以参考：https://www.bilibili.com/video/BV1AF4m1V7m9 USB模式设置可以参考：https://www.bilibili.com/video/BV1bd4y167yi 选一条路线，照做之后如果还不行再排查系统声音设置的问题。

检查一下发射频率？之前也碰到过这个问题，不知为何默认发射频率到了3k+，超出了SSB调制的宽度。这个时候启动VOX，电台发射灯亮而实际并无功率输出。发射频率调整一下，在300 ~ 2500之间就行了（）

Could you please clarify a question: When using FT891 with FT8, does it output any power?

BD8ECX

I'm using JTDX software on my computer, and it shows that I'm transmitting, but there's no power output displayed on the radio. Is this a problem with the software settings, or is something else going on? Please help me troubleshoot.

Shiro

What kind of cable are you using? Also, I'd like to increase the output volume. The JTDX digital gain is already at maximum. If there's a potentiometer on the device, I can also adjust that.

BD8ECX

Shiro Okay, I'll go up to the roof this weekend to set up and test the antenna.

BA7NNC-JOE

What version of JTDX are you using? I'm using the version from Shijiazhuang, and it works fine. Switching to the official version didn't cause any problems, but I still don't understand.

BD8ECX

BA7NNC-JOE That must be the issue. I'm also using the version from Shijiazhuang.

BH9FPK

I think we should switch to u-d mode. Are you using the 8-core to 3.5mm adapter behind the machine?

BD8DLV

Check the antenna, computer volume, connection cable, radio mode, and gain.

Liridice

Are you planning to use DATA mode or USB mode?
You can refer to the following for DATA mode settings:https://www.bilibili.com/video/BV1AF4m1V7m9
You can refer to the USB mode settings here:https://www.bilibili.com/video/BV1bd4y167yi
Choose a route and follow the instructions. If it still doesn't work, troubleshoot the system sound settings.

BH6BSP

Please check the transmission frequency?
I have encountered this issue before. For some reason, the default transmit frequency has reached 3k+, which exceeds the width of SSB modulation. When VOX is activated at this point, the radio's transmit light turns on, but there is no actual power output. Adjusting the transmit frequency to be between 300 and 2500 Hz should resolve the issue.

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