Hanna Instruments HI 9828 - Manual (Page 17)

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1.7 DISPLAY & KEYBOARD DESCRIPTION
1. Display
2. Battery level indicator
3. Softkey functions
4. Left softkey: function defined on display
5. On/Off key: to turn on and off the meter
6. Backlight: to activate the backlight
7. Alphanumeric keyboard: to insert alphanumeric codes
8. HELP key: to have information about the shown screen
9. Arrow keys: to scroll between options
10. ESC key: to go back to the previous screen
11. Right softkey: function defined on display
12. Tag reader