Sierra Monitor Corporation 5100-06-IT - Manual (Page 22)

Model 5100-XX-IT Toxic Gas Sensor Module
Page: 18
5. OPERATION
5.1 INTRODUCTION
The Gas Sensor Module utilizes a visual menu system operated by means of a magnet. A magnetic tool
(5358-50) is supplied for this purpose. The menu system is used to configure alarm set-points, calibrate the
sensor module, and for maintenance procedures and alarms acknowledge.
5.2 DATA ENTRY KEYPAD
The module menu system is operated by means of directing the magnet stick toward each of four independent
hall-effect magnetic switches. Each switch functions as if it is a manually activated panel key. The keys are
located under the faceplate above and below the LED display and are labeled
M , E ,  and  as shown
in Figure 5-1.
Figure 5 - 1: Face Plate with Operator Key Pad
• Key : MODE
• Key ENTER
• Key : UP (+)
• Key : DOWN (-)
Mode
Up
Enter
Down