2. MSA Passport  Personal Alarm Combustible gases and vapors Oxygen enriched Oxygen deficient Specific Toxic gases Alarm levels are set at the factory.

3. Preparation - Battery Pack Installation To install the battery pack: Slide it toward the sensor face of the instrument. Swing battery pack down and into body of instrument Turn the screw on the bottom of the instrument in a clockwise direction until firmly seated.

4. The instrument Responds: Back light flashes Screen flashes Alarm sounds Alarm lights flash Instrument electronic serial number and software version display appears

5. Self Test The instrument self-tests all major electronic components and displays the following screen. After tests are completed, if ERROR appears on the screen and the alarm sounds, refer to the Technical Manual for the Passport FiveStar Alarm.

6. Setup Now - No / Yes When the electronics test passes, the unit inquires if the user wants to enter Setup Mode by displaying the following screen.

7. Operating Beep - No / Yes If Page (No) is pressed or no buttons are pressed for five seconds, the unit assumes the user did not want to reset any options and unit turns on.

8. Operating Beep - No / Yes If Reset (yes) is pressed, the instrument enters the Setup Mode. The display now reads

9. Peak STEL TWA If YES is selected, The PEAK STEL TWA page appear. If NO is selected, the PEAK STEL TWA pages do not appear. If no button is pressed the unit maintains the previous setting for these pages. The display moves to the “Set Time” page.

10. Set Date and Time To cancel Time Set, press PAGE (SKIP) button or wait five seconds. To set the time, press the RESET (YES) button.

11. Time Set The display now reads The hour flashes Press PAGE button to lower the hours. (19:05 is 7:05 P.M.) Press Reset to raise the hours. Press the ON/OFF to accept the new number

12. Time Set The minutes now flash. Adjust as needed. Press the ON/OFF button to accept the reading.

13. Time Set Complete The display now reads.

14. Date Set To cancel the date set, press the PAGE (SKIP) button or wait five seconds. To set the time, press the RESET (YES) button and the display now reads.

15. Day, Month, Year The year is underlined. Press the PAGE button to lower the year. Press RESET button to raise the year Press ON/OFF button to accept the year setting and move on.

16. Day, Month, Year The month is underlined. Press the PAGE button to lower the month. Press RESET button to raise the month. Press ON/OFF button to accept the month setting and move on.

17. Day, Month, Year The day is underlined. Press the PAGE button to lower the day. Press RESET button to raise the day. Press ON/OFF button to accept the day setting and move on.

18. Date Set Complete When the selected date has been accepted, the display reads. NOTE: The small battery on the main board which runs the clock has an estimated life of four years if the main battery pack is not installed, or if it is installed but completely discharged. This clock battery has a much longer life if a charged battery pack is installed on the Passport FiveStar Personal Alarm.

19. Setup Complete The Alarm sounds and the display momentarily reads. The instrument now automatically turns ON and runs through the following procedure for normal instrument turn on.