82 microAeth
®
MA Series MA200, MA300, MA350 Operating Manual microAeth
®
MA Series MA200, MA300, MA350 Operating Manual 83
AethLabsAethLabs
no longer have a valid rmware loaded. Any time the instrument is turned on again, only the bootloader will
start.
24) To send a le to the microAeth through Tera Term. Select the 'File' menu and select 'Send le...'
25) The 'Tera Term: Send le' window will open. Select the rmware '.hex' le.
26) Press 'Open'.
27) Transfer will begin immediately and if the transfer successfully initiated, ‘*’ star symbols will be displayed
as the transfer progresses. Do not interrupt the data transfer and upgrade. Wait until the process is fully
complete and ‘SUCCESS’ is displayed.
28) If the rmware transfer and upgrade fails, ‘BAD LOAD’ will be displayed. The microAeth will no longer
have a valid rmware loaded. Any time the instrument is turned on again, only the bootloader will start.
29) If the rmware transfer and upgrade are successful, the data transfer will nish, ‘GOOD LOAD’ will be
displayed, self-checks will complete, ‘SUCCESS’ and ‘Shut Down’ will be displayed, and the microAeth will
shut down. Once the screen backlight turns off, the rmware upgrade is complete.
30) The operating system rmware is upgraded on the microAeth but the ow calibration table
should be checked and all settings should be set.
31) Turn on the microAeth. Press and hold only one of the three buttons for 2 seconds. The screen and
instrument will turn on and the instrument serial number will be displayed.
32) Use the left and right buttons to scroll through the top level menu options to the 'Display FlowCal Info'
option.
33) 'Sent via Serial Port' will display on the screen and the ow calibration table information will be
displayed in the terminal emulator. See section 5.8.3.12. Display FlowCal Info for more information.
34) Check the ow calibration table. See section 7.3.2. Display and Check Flow Calibration Table.
35) Set all settings using the microAeth Manager.
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