16Operation4.3.1 KeypadFigure 7 shows the display of the Main screen of MET ONE HHPC–2. Table 1 on page16 provides information about the keypad available at the bottom of the screen and thevarious function keys.Figure 7 MET ONE HHPC–2 Main screen display1 Display screen 3 MODE key2 POWER key 4 START/STOP keyTable 1 Indicators and key features or functionsKey Name DescriptionSTART/STOP Starts and stops a sampleMODE Selects modes and saves data when the unit is countingPOWER Toggles the power on and off
