3-1
CHAPTER 3
Instrument Description
Use the information in this chapter to become familiar with the
location and function of controls, indicator, and connectors on the
Model 3775 Condensation Particle Counter (CPC).
Front Panel
The main components of the front panel include the color LCD
display, rotate/select control knob, aerosol inlet, particle indicator
light, and flash memory card slot. These are identified in
Figure 3-1
and described below.
*
LCD Display
The quarter VGA color LCD display provides continuous real-time
display of sample data and is used in conjunction with the control
knob to display user menus and instrument status information.
Refer to
Chapter 4 for details on how to make selections and
change options on the menus.
Rotate/Select Control Knob
Turning the control knob highlights items on the LCD display.
Depressing the knob inward selects the option. To spin the knob
quickly, place your finger in the indent on the knob surface and
rotate the knob.
∗
A black cap is located at the bottom of the front panel to cover a hole. Do not remove it from the instrument.
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