Vaisala PTU300 Guía de usuario Pagina 71

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Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 69
Rounding Setting
Round off one decimal by using the Rounding function . The default
setting is rounding on. Rounding has no effect on quantities without
decimals.
1. Open the MAIN MENU by pressing any of the arrow buttons.
2. Select Display and press the right arrow button.
3. Select Rounding and press the ON/OFF key.
4. Press the EXIT key to return to the basic display.
Display Backlight Setting
As a default the display backlight is always on. In the automatic mode
the backlight stays on for 30 seconds from the last press of any key.
When pressing any key, the light turns on again.
1. Open the MAIN MENU by pressing any of the arrow buttons.
2. Select Display, press the right arrow button.
3. Select Backlight, press the CHANGE key.
4. Select On/Off/Automatic, press the SELECT key.
5. Press the EXIT key to return to the basic display.
Display Contrast Setting
1. Open the MAIN MENU by pressing any of the arrow buttons.
2. Select Display, press the right arrow button.
3. Select Contrast, press the ADJUST key.
4. Adjust the contrast by pressing the left/right arrow buttons.
5. Press the OK key and then EXIT to return to the basic display
Keypad Lock (Keyguard)
This function locks the keypad and prevents unintentional key presses.
1. Press and hold down the left function button for 4 seconds to lock
the keypad (at any display).
2. To unlock the keypad, press and hold down the same key for 4
seconds.
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