General Monitors 4802A - 5 User Interfaces; Types of User Interfaces; Figure 38 - Front Panel Display

Model 4802A
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5.0 User Interfaces
This chapter discusses the user interfaces along with the Calibration Check Mode, the
Calibration Mode, the Setup Check Mode and the Setup Mode.
WARNING - Installation and Maintenance must be carried out by suitably skilled and
competent personnel only.
5.1 Types of User Interfaces
User interfaces are provided so that the operator may interpret and direct the Model
4802A in the performance of its various functions. User interfaces (Figure 38) consist of
a digital display, status indicators and a Mode/Select switch.
• The digital display provides the user with the gas concentration at the sensor site,
fault diagnostic codes, calibration prompts and setup parameters.
• The status indicators provide the user with an indication of the current mode of
operation (alarm, fault, ready, calibration and setup).
• The Mode/Select switch provides the user access to the Calibration, Setup/Inhibit,
Calibration Check and Setup Check modes.
Figure 38 – Front Panel Display