Lark 150 Firmware Upgrade Tutorial

Updates:

1. Added 【Phone Mode】 for optimal mobile phone audio recording experience.

• 【Phone Mode】The audio output gain will be changed to 13 automatically after you select this mode, meanwhile the function of HPF will be activated(Minus 75Hz)

1. Improved charging logic, and fixed existing charging bugs. 
2. Enabled 【MacOS】 for future firmware upgrades.

Download Path:

V3.0.4.4

Notice: 

1. For firmware versions lower than 1.0.8.8, please upgrade to 1.0.8.8 first. Uprade Guidance: Lark 150 V1.0.8.8 Guidance; (Long press the mute button of RX when RX, TX is in the box to check the firmware version, long-press again to check the detail version of the TX and RX)
2. Unzip the upgrade files to the C Drive of your PC;
3. Do not take the Transmitter or the Receiver out of the Case during the update.
4. Do not disconnect the USB cable during the update;
5. Long press the left button on the Receiver to switch among the existing four modes: Phone Mode, Stereo, Mono, and Safe Track;
6. This update is for Windows 10 or the latest OS only. Mac users may need software support to install the Windows 10 on Mac and complete this upgrade.

Steps:

1.  Driver Installation
   Open the folder 1-Drive and select the correct drive for your system:
   

   
   
   

2. Upgrade Process

     2.1 Open the folder 【2-Upgrade】 and Run the software 【6901_upgrader.exe】

     2.2 Click 【Refresh】 and wait till the device is connected. 
             Then Select 【Upgrade】, the system will upgrade automatically.

     2.3 The upgrade is completed when the battery display of the Receiver screen turns to normal.

Video Tutorial: