TESTO 570 Series - Control keys

5 Product description
12
5.3 Control keys
Symbol
Meaning
• Open menu
• Confirm input
• Switch on the display illumination:
Press and hold the key for >2s
• Switch off the display illumination:
Press and hold the key for >2s
/
Change/navigate the display screen.
• Switches to the measurement view
• Back to the menu
• Switch on the instrument: Press and
hold the key for > 1 s
• Switch off the instrument: Press and
hold the key for > 2 s