A: Yes. The Frequencies Band of RadioLink transmitters are 2.4GHz ISM band, with a bandwidth of 83M. Up to 50 transmitters can be used at the same time.

A: Long press Mode button to enter MAIN MENU主菜单, select 遥控器设置--系统设置--语言, and set English. The menu language will be changed into English.

A: FHSS V1 and FHSS V2 protocols support 8 channels, but FHSS V2.1 protocol supports 16 channels. When using R16F and 12F, if FHSS V1 or FHSS V2 protocol is selected, only 8 channels are available on the receiver. Please enter MAIN MENU--Receiver Settings--RF SETTINGS--PROTOCOL, and select FHSS V2.1 protocol.

For details of channel number , receiver protocol and compatible receivers, please refer to table below:

A: If the receiver cannot be bound to the transmitter, please follow the following methods to troubleshoot the problem:

1. Make sure T12D is installed with the latest firmware.

T12D latest firmware download link: https://www.radiolink.com/t12d_firmwares

2. Enter the menu Receiver Settings -- RF SETTING -- MODULE SELECTION. Make sure you have set Internal for MODULE SELECTION, as shown on the right.

3. Enter the menu Receiver Settings -- RF SETTING -- PROTOCOL. Make sure you have selected the correct protocol for your receiver. Receivers such as R7FG and R8EF only support FHSS V1 protocol, as shown on the right. If FHSS V2 or FHSS V2.1 protocol is selected, it cannot be bound to T12D. For details of receiver protocol and compatible receivers, please refer to table below:

A: Remove the springs on these two knobs. The modification will not affect the function, but after removing the springs, the servo value cannot return to 0% automatically. If the slide rod is loose, you can add some damping oil to the plastic round hole shaft.

A: Please follow the following steps to troubleshoot the problem:

1. Make sure the firmware of your T16D/T12D has been updated to the latest version.

T16D latest firmware download link: https://www.radiolink.com/t16d_firmwares

T12D latest firmware download link: https://www.radiolink.com/t12d_firmwares

1. For transmitters with firmware versions before V1.2.0, after updating the firmware to V1.2.0 and later, please calibrate the joystick. Enter the menu Transmitter Settings--STICK MODE to calibrate the joysticks. Here is the tutorial of joystick calibration:

https://www.youtube.com/watch?v=8txnY0JfuB8

3. Enter the menu Transmitter Settings--TRAINER. Check if the trainer function is turned on. Once the trainer function is turned on, two transmitters are required to be used together. One for output and the one for input. If the trainer function is turned on but the trainer cable or the other transmitter is not connected, there will be no servo output displayed on T16D/T12D.

A: T12D with hardware V1.0.2 or above has PWR option on TRAINER menu. PWR is needed when T12D works as a trainer transmitter and a Type-C wireless trainer cable is used. For more details, please refer to the link of T12D trainer function setting methods: https://www.radiolink.com/newsinfo/955662.html

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A: No. T12D and T16D have different mainboards and chips. So T12D cannot flash the firmware of T16D. It cannot be updated to 16-channel transmitter. Here is the comparison of T12D and T16D: https://www.radiolink.com/newsinfo/937609.html

A: Please follow the below tutorial to calibrate T16D/T12D. It shows how to calibrate the VR knobs. https://www.youtube.com/watch?v=8txnY0JfuB8