1.Press the MIN/MAX/ + button once.

2.The display will now show the Date and Month at the bottom of the LCD.

3.Press and release the MIN/MAX/ + button.

4.“MAX” appears above the temperature and the temperature flashes.

a.The time of the maximum temperature reading is displayed in the time/date portion of the LCD.

5.Press and release the MIN/MAX/ + button.

6.“MAX” remains above the temperature and the temperature remains flashing.

a.The date of the maximum temperature reading is now displayed in the time/date portion of the LCD.

7.Press and release the MIN/MAX/ + button.

8.“MIN” appears above the temperature and the temperature flashes.

a.The time of the minimum temperature reading is displayed in the time/ date portion of the LCD.

9.Press and release the MIN/MAX/ + button.

10.“MIN” remains above the temperature and the temperature remains flashing.

a.The date of the minimum temperature reading is displayed in the time/ date portion of the LCD.

11.Press and release the MIN/MAX/ + button.

12.“MAX” appears above the temperature and the humidity and bar graph flash.

a.The time of the maximum humidity reading is displayed in the time/date portion of the LCD.

13.Press and release the MIN/MAX/ + button.

14.“MAX” remains above the temperature and the humidity and bar graph remain flashing.

a.The date of the maximum humidity reading is displayed in the time/ date portion of the LCD.

15.Press and release the MIN/MAX/ + button.

16.“MIN” appears above the temperature and the humidity and bar graph flashes.

a.The time of the minimum humidity reading is displayed in the time/ date portion of the LCD

17.Press and release the MIN/MAX/ + button.

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La Crosse Technology WS-7138U instruction manual