HACH LANGE FH950 Basis Bedienungsanleitung Seite 20

Message or problem
Data is not available or access to the
data is not possible
Meter is unresponsive
20 English
Solution
Make sure that the USB option (Main Menu) is set to Mass Storage.
Push and hold the power button for at least 3 seconds. This de-
energizes the meter. Energize the meter again.
Note: Do not use this method to power off while in normal operation or if the file
access icon is visible in the display.