Name: Aethlabs microAeth MA200
Brand: Aethlabs
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80 microAeth

MA Series MA200, MA300, MA350 Operating Manual microAeth

MA Series MA200, MA300, MA350 Operating Manual 81

AethLabsAethLabs

18) ‘Serial Decrypting Bootloader Version x.xxL Serial Number [MAxxx-xxxx] - xxxx’ will then be displayed.

19) If unsuccessful in entering the bootloader, the microAeth will turn off and nothing more will be displayed.

To try again, make sure the microAeth is off and repeat steps 1-15

20) Follow the instructions displayed in the terminal emulator and bootloader to upgrade the rmware.

'Press CENTER button to start bootlad process, Press LEFT or RIGHT buttons to CANCEL' will be

displayed.

21) Once entering the bootloader, you will have 30 seconds to make a selection before the microAeth

automatically turns off. If this occurs, 'Timeout. Shutting Down' will be displayed.

22) Press either the left or right buttons to exit the bootloader and cancel the bootload process. 'Cancelled'

will be displayed and the microAeth will shut off.

23) Press the center button to start the bootloader rmware upgrade process. More information and

‘Waiting for download… (you have 30s)’ will be display. The microAeth will wait 30 seconds for the user

to send the rmware data le to the microAeth through the terminal emulator. If a le is not sent to the

microAeth, the instrument will timeout, display 'LOAD BAD' and shut down. If this occurs, the microAeth will

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 more steps are required in

order for the microAeth to be able to function properly for sampling and make measurements.

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) A ow calibration is now required. Please follow the steps in section 7.3. Flow Calibration Procedure

33) An optical calibration is now required. Please follow the steps in section 7.4. Optical Calibration

Procedure

34) Turn the microAeth off by using the left and right buttons to scroll through the top level menu options to

the ‘Turn off’ option.

35) Press the center button to select the ‘Turn off’ option.

36) The memory on microAeth must be erased. All data must be deleted. Please follow the steps in section

5.7.7. Delete All Data on the microAeth to erase the memory.

37) Set all settings using the microAeth Manager.

7.5.2. Upgrading firmware from version 1.07 to 1.08

IMPORTANT READ FIRST: DATA ON THE MICROAETH MAY NOT BE ACCESSIBLE AFTER

UPGRADING FIRMWARE. Before upgrading the rmware on the microAeth, download and backup all

data from the instrument.

1) Unplug the microAeth from all external power sources.

2) Plug in the AethLabs Serial to USB converter cable to the 4-pin serial port of the microAeth. Plug in the

USB A plug of the cable into a computer where data will be download.

3) Open a terminal emulator (AethLabs only supports Tera Term for Windows) on the computer and use the

following settings (as described in section 5.5.3):

Baud Rate Data Parity Stop Flow control

1000000 8 bit none 1 bit Xon/Xoff

4) When Tera Term opens, a window with the title 'Tera Term: New connection' will appear.

5) Select the 'Serial' radio button.

6) Use the 'Port:' dropdown menu to select the COM port that the microAeth is connected to through the

AethLabs 4-pin Serial to USB converter cable.

7) Press 'OK'.

8) The main window will remain and the window title will now be the COM port number.

9) Select the 'Setup' menu and select 'Serial port...'.

10) In the 'Tera Term: Serial port setup' window, change the settings to match the communication settings

in Step 3.

11) Press 'OK'.

12) The terminal emulator should now display the on-board user interface options as the 3 button interface

is used by the user. More information that is hidden on the microAeth on-board screen will be displayed in

the terminal emulator.

13) Use the left and right buttons to scroll through the top level menu options to the ‘Turn off’ option.

14) Press the center button to select the ‘Turn off’ option.

15) While the microAeth is off, press and hold both the left and right buttons at the same time for about 2

seconds.

16) If successful in entering the bootloader, the screen backlight will ash on three times and stay on.

17) The microAeth will display more information to the terminal emulator.