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8 logo once.
9 Scroll to Sonde by tilting the instrument. Tap the Aqua TROLL 600 logo once.
10 The LCD screen will display the current firmware version on the left, then an arrow, and the new firmware
version on the right.
11 Scroll to Yes by tilting the instrument. Tap the Aqua TROLL 600 logo once.
12 The LCD screen will display icons while updating. Once the update is complete the Aqua TROLL 600 and
LCD screen will restart.
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