Refer to Figure 12, "Controller Functionality" , on page 10 for more information. • Press and hold the Calibration Button to Calibrate and access Main Menu. • Briefly press to make a selection (select YES? ). WARNING: Opening the Controller’s Housing should be avoided when the presence of gas is possible ( when in a hazardous environment) . Do not power up the system, with the Housing removed, unless the area has been de- classified. MLP-A/AR/ST1400-25 Net Safety Monitoring Inc Magnetic Reed Swi

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