1. Detecting Instruments (For Contest Work Only) MSA Passport Personal Alarm

2. A.Checking instrument: 1)Turn the instrument on by pressing the on/off button on the control face panel a)(Battery pack should be secured to instrument prior to starting the clock for working of the contest problem.) 2)Visually inspect the digital display after it stabilizes

3. MSA Passport Personal Alarm 3)Check the battery condition by pressing the page button. 4)Battery condition and voltage will be displayed. BATT appears in the exposure display, alarm lights flash, and alarm sounds. 5)After initial LOW warning, (instrument will function for only approximately 30 minutes more). 6)The alarm sounds every five minutes until power is turned off or the battery condition is at VERY LOW level. 1)Very low battery is no longer able to operate the instrument and unit shuts down automatically.

4. MSA Passport Personal Alarm 7)Visually check instrument for damage. B.Testing for carbon monoxide / methane / oxygen: 1)When activated, MSA passport detects and measures concentration of carbon monoxide, methane and oxygen in the ambient air continuously and simultaneously.

5. MSA Passport Personal Alarm 2)All gas measurements are revealed in the digital liquid crystal display (LCD) and all are displayed simultaneously. 3)Carbon monoxide is measured and displayed in parts per million (ppm), methane and oxygen are displayed in percent by volume.