Hach-Lange LICO 690 User Manual - Manual (Page 20)

20
Start Up
The Main Menu is displayed when diagnostics are completed.
Note: section 5.1.3, page 22 contains a detailed description of the main
menu.
4.4 Sleep mode
The instrument can be put into sleep mode.
1. Briefly press the power switch next to the screen.
The "Sleep mode" message is shown. The screen will then
switch off automatically.
2. To switch on, press the power switch next to the screen.
The self-check will start automatically.
After that, the instrument is ready to use.
4.5 Power off the instrument
1. Press the power switch next to the screen for
approx. 5 seconds.