17
SPM Flex Gas Detector
The display
Figure 6 shows the elements of the display that will be seen in various situations�
15:
42:
01
0
.
123
ppm
H2S
-
Hydrogen Sulfide
5.678
1.234
2
In monitor
Mute
Monitor mode indicator
or
Duty cycle waiting state:
Alarm 1/
Alarm 2/
Inhibit
indicator
Concentration
trend
indicator
Maintenance
Fault
Instrument
Fault
Gas name
Gas concentration
Units
Bar graph
w/upper, lower
alarm limits
Status bar
Scroll bar
Monitor mode indicator
or
Duty cycle indicator:
Clock
15:
42:
01
Battery indicator
Highlighted
option
Main menu
Login / Logout
Reset alarms/faults
Monitor mode
Change Chemcassette
Menu
title
Menu
options
01:59
min sec
Figure 6. Elements of typical SPM Flex detector displays
The bar graph on the right shows the current concentration relative to the Alarm
1 and Alarm 2 setpoints� (The bar’s range is relative to the alarm levels, not to the
full scale of the selected gas)�
The color of the status bar changes according to the system status (green = OK/
in monitor, yellow = fault, red = alarm, blue = Out of Monitor mode)�
Display and navigation
Under normal operation the LCD and LED display system status, gas
concentrations, and alarms� In set-up, review, calibration, and test modes, the
LCD shows the relevant menu options and system status bar� The interface is
navigated using the four buttons:
Control Function
Up arrow Scroll up through lists of options
Down arrow Scroll down through lists of options
Accept/Select Accept or select a highlighted option
Power/Cancel
Power/Cancel will turn the detector on if it’s in the off state, will exit back to the previous menu level, and
will enter Reset mode (quick press), or Power Off mode (long press and hold) from the main display.
In the main display mode, the display shows the current gas name and
concentration, the monitoring states and faults and/or alarm status, if applicable�
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