Category Archives :User Tutorial
How to upgrade Retevis RT73 firmware
- Oct 27,2020
- Vivian
- 4 Comments
- User Tutorial
The instruction of RT73 firmware upgrade. ...
How to upload 200.000 DMR contacts into Retevis RT73
- Oct 26,2020
- Vivian
- 4 Comments
- User Tutorial
Retevis RT73 as a dual band mini Mobile Radio supports 200.000 DMR Contacts. Today, let's we learn how to upload 200.000 DMR contacts into RT73. ...
How to program Retevis RT73 Mini Mobile Radio
- Oct 24,2020
- Vivian
- 16 Comments
- User Tutorial
RT73 as a dual band DMR mobile radio is very popular now. This is a undersized mobile radio than others in the market. It's an entire radio that's the size of a remote head. No need to mount a separate box, just the "head." ...
Q&A: Why No message is shown on the MMDVM HotSpot display
- Oct 23,2020
- Vivian
- 0 Comments
- User Tutorial
how to connect Wifi between MMDVM hotspot and mobile phone. ...
First time receive ARISS worldwide SSTV Image with AilunceHD1
- Oct 10,2020
- Vivian
- 0 Comments
- User Tutorial
we get a very imprssion experience how to receive SSTV image with AilunceHD1. ...
Frequency Reverse function on AilunceHD1
- Sep 30,2020
- Vivian
- 0 Comments
- User Tutorial
Frequency reverse means reverse radio transmit frequency to receive frequency. and at the same time exchange the CTCSS tone. ...
How to load DMR contacts database in Retevis RT72
- Aug 27,2020
- Vivian
- 2 Comments
- User Tutorial
Retevis RT72 support upload 13,0000 DMR contacts. This blog learn how to load 13,0000 DMR database into your RT72 ...
Repeat the problem "Please check connection" when upgrade HD1 firmware
- Aug 21,2020
- Vivian
- 0 Comments
- User Tutorial
When updating the HD1 firmware, how to do if you get " please check connection" Error. ...
How to receive SSTV images from the International Space Station ISS?
- Aug 08,2020
- Vivian
- 0 Comments
- User Tutorial
How to receive SSTV images from the International Space Station ISS? ...
How to disappear the error when programming RT84
- Jul 25,2020
- Vivian
- 3 Comments
- User Tutorial
We got some customers feedback said they when they upgrade RT84 firmware or program, they will get an error" Excel Fail; firmware error; even no DMR users are displayed. Today I will tell you how to disappear these errors. ...