| Board | P1/P4 | Frequency（MHz） | Modulation | Pack | Buttons |
| 0020 | P4 [00 00 88 88] | 314.35/315.10/312.09/314.35/433.58/434.42 | FSK | Bubble pack | Lock, unlock, trunk,panic |
| 7930 | P1 [ 98 ] | 312.00/ 314.35/315.12/433.92 | FSK | Bubble pack | Lock, unlock, trunk,panic |
| 2110 | P4 [00 00 A8 A8] | 314.35/315.10/312.09/314.35/433.58/434.42/312.50/314.00 | FSK | Bubble pack | Lock, unlock, trunk,panic |
| 0010 | P4 [00 00 A8 A8] | 433.58/434.42/312.09/314.35 | FSK | Bubble pack | Lock, unlock, trunk,panic |
| Items | Functions | K518 series | KH100P |
| 1 | Can be got version information of by. | √ | √ |
| 2 | Can be read button functions by. | √ | √ |
| 3 | Button's functions can be converted. | √ | √ |
| 4 | Can be unlocked by K518 and KH100P. | √ | √ |
| 5 | Can be up-graded by. | √ | √ |
| 6 | Frequency can be modified by. | √ | √ |
| 7 | Copy smart key by K518, KH100P negative. | √ | × |
| 8 | Can be converted SW model by. | √ | √ |
| 9 | Remote counting data can be modified. | √ | √ |
| 10 | Emergency key can be generated. | √ | √ |
This is a tutorial on how to modify LT20 smart key button functions with Lonsdor K518 Pro. Read this article to learn 2 modification methods.
Method 1. Modify Button Function
Here's taking a Lonsdor LT20-04 board as an example.
Put the circuit board into K518 Pro key slot.
Press "Read/Modify button function".
Put in LT20 smart key.
Note:
Press "OK" to execute function.
In the "Set buttons" interface, we can set different functions for all 4 buttons.
Eg. Lock, Unlock, Trunk, Panic, Left sliding door, Right sliding door, Rear window, Hatch,etc.
Here we'll modify Button 3 "Rear Window" to "Trunk", Button 4 "Left sliding door" to "Panic".
Press "OK".
Conversion successful.
Let's read and check the key.
As we can see, the Button3 & Button4 have been changed.
Method 2. Convert Smart Key Type
Here's taking Lonsdor LT20-06 6 BTN for example.
Put the circuit board into K518 Pro key slot.
Convert smart key type >> OK
*This function requires Internet connection.
Push open the card slot's baffle on the device.
Place the key to be generated into the card slot.
By selecting key type >> Generate 8A >> 0011(P4: 00 00 88 88) >> 434.42/433.58 MHz
In the "Set buttons" interface, we can set different functions for all 6 buttons.
Eg. Lock, Unlock, Trunk, Panic, Left sliding door, Right sliding door, Rear window, Hatch,etc.
Here we'll modify Button 3 "Hatch" to "Right sliding door", Button 6 "Right sliding door" to "Hatch".
Press "OK".
Generation successful.
Push open the card slot's baffle on the device. Place the key to be generated into the card slot.
Now let's read and check the key.
The Button3 & Button6 have been changed.
Done.
Note: the button functions of the original car key can be combined and set to the LT-series smart keys at will.
