10.3.1 Trigger time  
Set trigger time.  
10.3.2 Block PD CDC  
After opening,When PD is monitoring,CRC messages can be masked,Off by  
default.  
10.3.2 Boot simulation DASH  
After it is turned on, turn on the analog DASH cable function at boot,  
which is turned off by default.  
10.3.2 Boot Apple 2.4A  
After opening,Turn on the Apple 2.4A acceleration function when booting,  
Off by default.  
10.4 Settings menu -> system  
You can view information such as the operating times of the instrument,  
SN serial number, and software version.  
11.0 Upgrade firmware instructions  
1 Open the FNIRSIUSBMeter upgrade tool.  
2 When the meter is off, press the middle button to access  
the PC online port, it will display the connected, device  
model, and device firmware version.  
3 Click OPEN and choose to upgrade the firmware.  
4 Click START to start the firmware upgrade. After the  
upgrade is completed, the meter will automatically restart  
and enter the main interface.  
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