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Category Archives :User Tutorial

Program Software Notice for DMR Newie

We often get some questions said he cant program his HD1 unfortunately. After we ask the details problem and tell the solution, they can program their radio successfully.  Today I will give you some noitces when programming software.   ...

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6 APPs must-have for Amateur radios

Lewis Ringway M3HHY who took a short video to show us 6 APPs that can use on our smartphone that are related to amateur radio, QRZ,REPEATERBOOK, SSTV, PILICE SCANNER, ECHOLINK.  ...

Read more  Zello,  Scanner,  Repeaterbook,  QRZ,  Echolink,  SSTV

Why do you get the error of No Contacts?

Many customers tell us their Ailunce HD1 keep getting the error of No Contacts by email. Do you encounter the problem? Why do you get the error of No Contacts? there are two key points to pay attention to for you.  ...

Read more  Ailunce HD1,  No Contacts

How to enter standby, DFU, initialization mode?

Many customers get errors when upgrading firmware because the radio doesn't enter DFU mode successfully. So, we need to distingguishi standby mode, DFU mode, and initialization mode to prevent operation errors.  ...

Read more  Ailunce HD1,  initialization mode,  Standby mode,  DFU mode

How to update Ailunce HD1 date and time

Ailunce HD1 is a dual-band DMR radio, and can also be adjusted to single-standby and display time information. Today I'll show two ways to update date and time on Ailunce HD1.  ...

Read more  Ailunce HD1,  update system time,  Amateur radio

Principles of setting the squelch level

Squelch function is to automatically lock the low-frequency amplifier of the radio during the standby and the interval between calls, so that noise will not be output from the speaker or headphones.  ...

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How to choose UHF or VHF for amateurs?

in the radio world, UHF and VHF two options can make all the difference when it comes to choosing the right radio for your specific uses. Here are a few facts about UHF and VHF radios – and how to choose between them.  ...

Read more  UHF,  VHF,  2M BAND,  70CM band,  amateur radio bands

Dual Band Telescopic Antenna-Retevis RH770

Do you want to QSO anywhere? If yes, the dual-band high gain telescopic antenna will be a good choice.  ...

Read more  Retevis RH770,  Dual Band antenna,  High gain telescopic antenna

Do I need to create a RX group list in the CPS?

is it necessary to write a Rx group list in the CPS? You can add all your favorite talk groups in one RX group list, also the talk groups with the same time slot in an RX group list. also, make all the talk groups belong to the same country in one RX group list. The principle is you can hear any talk groups that are in one Rx group list but only can transmit to the TX contact associate with the current channel. ​  ...

Read more  Rx Group list

Adjust RX/TX Offset (BER) for MMDVM Hotspot

Is there an agreed upon average RX/TX setting for the DMR Hotspot?  ...

Read more  RX/TX offset,  Pistar offset