MANUAL
ALARM BUTTON (RED INDICATOR)
WITHDRAW BUTTON (BLUE INDICATOR) 
RED SIGNAL
LIGHT
GREEN SIGNAL LIGHT
WITHDRAW
MANUAL
RESET
BUTTON (YELLOW INDICATOR)
PUSH 2X
TO RESET
ALARM
CONSOLE
DISPLAY
FIGURE 5
THE CONTROL CONSOLE
OPERATIONAL INSPECTION of your respirator. If, during the inspec- tion any malfunction of the respirator or the SEMS PDA Portable Unit is noted, remove the respirator from service and tag for repair by au- thorized personnel.
1.While performing the visual inspection of the respirator inspect all SEMS PDA Portable Unit enclosures, lenses, and wire conduits for cracks, wear or other damage. If damage is noted, remove respirator from service and tag respirator for repair by qualified personnel.
2.Check the operation of the SEMS PDA distress alarm in accor- dance with the REGULAR OPERATIONAL INSPECTION section of this instruction for the SEMS PDA distress alarm installed on your SCBA.
3.With an operating Base Station, verify that the SEMS PDA Por- table Unit initializes and
4.Verify that the batteries are properly installed and that there is no “BATT” indication on the display.
5.Send an “EVAC’ signal to the SEMS PDA Portable Unit and check the response. Verify that both the
6.When testing the “LOW AIR” alarm operation, verify that the proper
signal is transmitted to the Base Station.
On a regular basis established by your respiratory protection program, each SEMS Base Station must be inspected and tested for proper operation. Each of the functions defined in the USE OF THE SEMS BASE STATION section of this instruction must be checked and veri- fied to be operating properly. If any malfunction is found, remove the Base Station from service and tag for repair by authorized personnel.
WARNING
FOLLOW REGULAR OPERATIONAL INSPEC- TION PROCEDURE EXACTLY. IF THE SEMS PORTABLE UNIT OR BASE STATION DOES NOT OPERATE AS DESCRIBED OR IF ANY OTHER OPERATIONAL MALFUNCTION IS NOTED, DO NOT USE THE RESPIRATOR. USE OF A MALFUNCTIONING RESPIRATOR M AY R E S U LT I N S E R I O U S I N J U RY O R DEATH.
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