31PBD-51041064 SITRANS LG270 - Operating Instructions44293-EN-1710216.2 Adjustment system12Fig. 20: Display and adjustment elements1 LC display2 Adjustment keys• [OK] key:– Move to the menu overview– Confirm selected menu– Edit parameter– Save value• [->] key:– Change measured value presentation– Select list entry– Select editing position• [+] key:– Change value of the parameter• [ESC] key:– Interrupt input– Jump to next higher menuThe sensor is operated via the four keys of the display and adjustmentmodule. The individual menu items are shown on the LC display. Youcan find the function of the individual keys in the previous illustration.When the [+] and [->] keys are pressed quickly, the edited value,or the cursor, changes one value or position at a time. If the key ispressed longer than 1 s, the value or position changes continuously.When the [OK] and [ESC] keys are pressed simultaneously for morethan 5 s, the display returns to the main menu. The menu language isthen switched over to "English".Approx. 60 minutes after the last pressing of a key, an automatic resetto measured value indication is triggered. Any values not confirmedwith [OK] will not be saved.Key functionsAdjustment system