The backup manual and firmware of FNIRSI-2C23T

① Obtain the latest firmware from the official website and unzip it to download to the desktop.

② Connect the device to the computer using the USBA to Type-C data cable, press and hold the MENU button, and then press the ⏻ to enter firmware upgrade mode, and the computer will pop up the USB flash drive;

③ Copy the firmware to the USB drive, and after successful replication, the device will automatically upgrade the firmware.

④ Observe the upgrade percentage. After the upgrade is completed, the device will restart. If the upgrade fails, please contact official customer service for help.

Source: https://www.fnirsi.com.cn/download/digit

Manual: https://img.wqdres.com/res/0/20231206/8d80615fade147cfafe885021b264823.pdf

Firmware: https://img.wqdres.com/res/0/20231130/27604f59f32c4e22801b61c528475962.rar

/******************************************************/
V2.0.2 20231122
1. The lack of LOGO analysis
2. Live fire line gear picture location bias offset
3. The sound of the bee sounder of the passing gear is based
/******************************************************/

/*******************************************************/
V2.0.1 20231106
1. Fix the problem of incorrect calculation of the oscilloscope square wave high occupation ratio frequency calculation
2. Fix the abnormal problem of the multimeter quantity bar
3. Repair part of the translation and display abnormalities
/******************************************************/