Fnirsi SG-003A, Operating Manual

Page: 15 / 20

��
PAGE
【 7.3 】 Firmware Upgrade
SG-003A uses USB emulated U disk for firmware upgrade
【 Upgrade Steps 】 ：
（1） Plug the meter into the PC,and turn it on.Wait for the PC to recognize the USB
drive named "Bootloader"
（2） Copy the firmware to be upgraded to the U disk
（3） After a few seconds, the device is powered on normally and the upgrade is
successful
7
、
FAULT RESOLUTION
&
EQUIPMENT MAINTENANCE
【 7.1 】 Fault Resolution
No response when SG-003A is turned on：
（1） Determine if the battery has power and if the indicator light is normal when charging
（2） Firmware upgrade error operation leads to system crash
Abnormal screen display：Check if the screen is connected properly.
Abnormal output value or measured value：
（1） Check the signal line
（2） Check the interface for signal selection
（3） The target parameter of the connection exceeds the range indicated by the
technical indicator?（It may cause the instrument to work abnormally or even
damage）
Error in input and output：It is normal that there may be errors in input and
output.Because the input and output are not isolated
【 7.2 】 Equipment Maintenance
The meter is powered by 3.7V rechargeable lithium battery, please use the power
adapter to extend battery life when using it for a long time
This instrument is not waterproof, please do not use it in a high humidity
environment
Do not place the unit in a place that is unstable or may be subject to strong
vibrations
Do not place this unit in places with high humidity, dust, direct sunlight, outdoors,
or near high temperatures
Notice:
①If the U disk cannot be recognized normally when connected to the
PC in the power-on state.At this point, please shut down and restart!
②USB firmware upgrade only supports WIN10.It is forbidden to drag
and drop files other than those officially released by FNIRSI.Other-
wise, it is very likely to cause irreversible consequences