Instruction Manual Model 3100 Analyzer
Manual P/N: C5-06-4900-16-0
Manual file name: MN-A-0005, Rev. C
Page 7
1.5 Control panel user interface
“UP” pushbutton
1.5.1
The “UP” pushbutton can be used to program the Model 3100 via the control panel. This momentary
push-button soft key is used to select the next option or value. This function is menu-driven.
“DOWN” pushbutton
1.5.2
The “DOWN” pushbutton can be used to program the Model 3100 via the control panel. This momentary
push-button soft key is used to select the preceding option or value. This function is menu-driven.
“MODE” pushbutton
1.5.3
The “MODE” pushbutton can be used to program the Model 3100 via the control panel. This momentary
push-button soft key is used to navigate the operational modes available through the control panel. This
function is menu-driven.
7-Segment alphanumeric display
1.5.4
The 7-Segment alphanumeric display feeds back information from the Model 3100 to the user via the
control panel. The primary purpose of the 7-segment display is to show the oxygen concentration
readout. It is also used for feedback of operational status, fault codes, and other information necessary to
perform system setup and maintenance.
RUN indicator LED
1.5.5
The purpose of the RUN indicator LED is to inform the user via the control panel that the Model 3100 is
measuring the concentration of the sample gas and updating the display and outputs accordingly (with no
alarm or fault conditions present).
Alarm-1 indicator LED
1.5.6
The purpose of the Alarm-1 indicator LED is to inform the user via the control panel that the measured
oxygen concentration has exceeded the alarm-1 threshold (Alarm-1 and its associated relay are in active
mode).
Alarm-2 indicator LED
1.5.7
The purpose of the Alarm-2 indicator LED is to inform the user via the control panel that the measured
oxygen concentration has exceeded the alarm-2 threshold (Alarm-2 and its associated relay are in active
mode).
Fault indicator LED
1.5.8
The purpose of the Fault indicator LED is to inform the user via the control panel that at least one system
fault is active. Note that when the fault indicator LED is active the fault relay will also be active.
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