UEi Test Instruments AQM4 - Manual (Page 19)

PC CONNECTION
Error Messages Cont.
E11: Retry humidity calibration
E16: Retry CO calibration
E31: Temperature sensor AD damaged
E32: Memory IC damaged.
E33: Humidity sensor or circuit
damaged.
The UEi AQM4 can be connected to a PC to
download recorded data.
Plug the USB cable into the socket at the
right side of the meter and the other port to
your PC. Next, install the software on your
PC following these procedures.
1. Insert the CD ROM and run installation.
Select a preferred directory and click
"Next" step by step to finish.
2. After the software installation is
completed, it will run USB driver
installation next.
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