Here are some questions and answers about HD1 that often asked by customers. If you encounter these problems, you can read this article first.
If it can’t solve your problem, please feel free to leave a message here or email us: support@ailunce.com
Questions and Answers about Firmware and Software
Q: How to change FM mode to DMR mode, How to change frequency mode to channel?
A: Long press “Exit” to switch DMR mode and FM mode.
Short Press” Exit” to switch frequency mode and channel mode.
Q: How to initialize the HD1?
A: Press Menu+Exit button together to turn on the radio. then select ” ALL” to initialize the radio.
Q: Where can find HD1 software & firmware?
A: You can download from Retevis website, Support–Resources–Programming Software–USB Driver and Software.
Q: How to upgrade HD1 firmware?
A: Download HD1 firmware from Retevis website
Install the firmware.
Connect radio with your PC.
Press the side key and PTT together, turn on the radio, enter DFU mode.
Choose com port.>>Connect >> Get version >>>Update.
Q: How to do when the HD1 screen displays error “please check connection” when connecting to PC?
A: Maybe the problem is from the USB cable. you can borrow a USB cable from someone with HD1 around you to see if working properly.
Maybe the problem is the USB Driver. Please try to change another comport, test more times. Or update the driver as shown below.
If this does not work. please uninstall your previous driver and delete it. and then download the driver again.
When you update the firmware, please make sure the radio is in the DFU mode correctly.
Questions and Answers about HD1 When Using
Q: How to do when the HD1 screen displays error “please check connection” when connecting to PC?
A: Maybe the problem is from the USB cable. you can borrow a USB cable from someone with HD1 around you to see if working properly.
Maybe the problem is the USB Driver. Please try to change another comport, test more times. Or update the driver as shown below.
If this does not work. please uninstall your previous driver and delete it. and then download the driver again.
When you update the firmware, please make sure the radio is in the DFU mode correctly.
Q: When I didn’t turn on the HD1 for many days, Why I found that the clock and was reset. Or sometimes I have to turn on the HD1 twice to open it.
A: There is a little battery. It controls the date and time. Power on will charge automatically.
So if you long time no turn on the radio. and when the little battery drain, the time will reset when you turn on the radio again.
Normal use, the radio will not appear time reset or power on twice phenomenon.
Please try to turn on the radio again, re-set the clock and let it standby 2-3 hours, the internal battery will charge automatically.
Q: How to do after my HD1 radio has been remotely killed by somebody?
A: You can use the programming cable to connect the computer to write, uncheck to accept remote kill Cmd and wake up Cmd.
Write to the radio. After rebooting, your radio can recover from killed.
Q: Why the screen displays “repeater fail”when I want to connect the repeater?
A: Check if your radio is in repeater range first. Then check your channel setting(frequency, offset,). Pay attention to the work mode must be repeater mode.
Q: Why I cannot connect the analog repeater or can receive signals but cannot transmit?
A: Check if your radio is repeater range first. Then check your channel setting(frequency, offset, CTCSS, shift on).
Some Other questions about HD1
Q: How to set the power-on logo?
A: The radio needs to connect with the computer, then click the Function–power-on logo.
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