RX: 1. The UI homepage is changed to channel + frequency display, which is convenient for checking the currently used wireless frequency;

VM40_RX_V1_2_28：

1. Optimize the LED UI of one-channel, bolder the red frame of internal recording; 

2. Improve the accuracy of date and time;

VM40_TX_V1_2_48：

1. Improve the overall stability of file copying;                                                                            

2. Improve the accuracy of date and time;

Update Time: 20241120

VM40_RX_V1_2_27:

1. Optimize the charging function;

VM40_TX_V1_2_47:

1. Add TX1/TX2 logo to --board recording file;

2. In wired mode, when on-board recording is turned on, the automatic shutdown is prohibited to prevent on-board recording from being interrupted;

3. Optimize sound popping and 32-bit float on-board recording;

4. Optimized the stability of copying recording files on Apple computers;

5. Optimize the charging function;

Operation method:

Download the VM40 firmware upgrade package to the computer;

Shotgun microphone(TX) upgrade
Enter the copy mode when the mic is turned off (long-press the function button and mode button in sync), then connect the mic to the computer via a USB data cable, copy the firmware upgrade package to the VM40 TX---UPDATA folder, disconnect the USB data cable and restart the mic to upgrade automatically