OZONE ANALYZER BMT 965 Manual, Rev. 01/2024
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files from the same instrument will be overwritten. Additional to copying the logs, a file
<Serialnumber>_Sta.965 is created, which contains the latest diagnostic data. At the end, the
display shows
Copy finished
for one second and then goes back to displaying ozone concentration. At this point, remove the
host adapter.
Note: Remove the USB host adapter when no longer needed. Always connect and remove the
USB host adapter with an inserted flash drive.
If the host adapter is connected without a flash drive, the message
Waiting for USB
appears after 10 s in the display. After a total of 60 s the message
Remove USB OTG
appears and SD card logging is activated again.
For instruments without a display (e.g. BMT 965 AQ), the question is omitted and copy starts
immediately after insertion of the flash drive. At the end the instrument will emit short beeps five
times per second. Then the host adapter should be removed.
Firmware Upgrade
The firmware running on the BMT 965 can be upgraded by connecting a USB flash drive. Firm-
ware upgrades are available for download on the BMT website. The major number of the version
information should be identical to the major number of the firmware version running on the in-
strument. For example, do not try to upgrade an instrument running version 1.45 with version 2.04.
The upgrade file is encrypted and it should be copied as downloaded to a folder Upgrade in the
BMT folder on the flash drive.
Connect the flash drive as described in the previous section. The instruments checks for upgrades
fitting the hardware configuration. If a valid file is found, the display will show
Upgrade VX.XX?
where X.XX denotes the software version. Pressing BACK will abort, pressing ENTER will con-
tinue. Update progress is shown. It can take up to two minutes. When the display shows
Remove USB Flash
remove the host adapter. As soon as the host adapter is removed, the BMT 965 goes through a
restart with warm-up. During warm-up, no measurements are made and outputs are in warm-up
state as described in section 5.
For instruments without a display (e.g. BMT 965 AQ), upgrade starts immediately after connection
of the host adapter if a valid file is found. At the end of the upgrade, the instrument will beep
intermittently five times per second. At this point, remove the host adapter.
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