Page 22 of 28
P/N 595369-01 Rev B 07/19
IF THE SYMPTOMS OF RFI OCCUR, THE RESPIRATOR USER MUST CHECK THE
PASS DEVICE TO VERIFY THAT IT IS FUNCTIONING PROPERLY. IF THE GREEN
LIGHT ON THE CONTROL CONSOLE DOES NOT RESUME FLASHING IN THE
NORMAL MANNER AFTER EXPERIENCING THE SYMPTOMS OF RFI, OR IF THE
UNIT CONTINUES TO MALFUNCTION IN ANY OTHER WAY, PROCEED TO A SAFE
AREA, REMOVE THE RESPIRATOR FROM SERVICE AND TAG IT FOR REPAIR
BY AUTHORIZED PERSONNEL.
Minimize or eliminate the effects of RFI by protecting the PASS device with the fol-
lowing steps:
– Maintain a safe distance from a Base Station transmitting antenna or a truck-
mounted radio antenna.
– Keep the antennas of hand held radios at least six (6) inches away from the CON-
TROL CONSOLE or the SENSOR MODULE.
RFI AND THE PAK-TRACKER HAND HELD RECEIVER
If the HHR experiences RFI, it may be necessary to remove the HHR from service.
In a known safe, non-hazardous area, remove and reinstall the batteries to reset
the unit (see the BATTERY REPLACEMENT section of the Locator System User
Instructions, 3M Scott P/N 595278-01). Then inspect and return the HHR to service.
RETROFITTED UNITS
Installation of SEMS II Pro requires some disassembly of the respirator and should
only be performed by an authorized service center.
Respirators already equipped with an approved PASS device may be retrotted
with the SEMS II Pro Wireless SCBA Telemetry System. However, if the PAK-
TRACKER Transmitter was not enabled on the original PASS device, an Authorized
Service Center will need to enable the transmitter for the full functionality described
in these instructions. Contact the company at 1-800-247-7257 for complete details.
Report any operational malfunctions of the PASS function of this device to the
certication agency Safety Equipment Institute (SEI), 1307 Dolley Madison Blvd.
Suite 3A, McLean, VA 22101, (703) 442-5732, FAX (703) 442-5756.
QUESTIONS OR CONCERNS
If you have any questions or concerns regarding use of this equipment, contact
your authorized distributor, or contact the company at 1-800-247-7257 (or 704-291-
8300 outside the continental United States) or visit our web site at www.3MScott.
com.
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