USE of the Sems Base Station

The SEMS PDR Base Station must be properly programmed before field use. See SEMS Programming Guide SCOTT P/N 89506-01 for complete details of SEMS programming.

The SEMS PDR Base Station requires batteries for operation. See the BATTERY REPLACEMENT section of this instruction. An optional ex- ternal power supply is available.

The SEMS PDR Base Station must be operated by a fully trained indi- vidual as part of a complete respiratory protection program. The Base Station operator must have the ability to direct rescue operations as needed.

1.Start-up

a)Press the POWER button on the Base Station to begin opera- tion.

b)All Portable Units that were initialized before the Base Station was powered up will be logged-in as indicated by “ACK” regis- tered with the user’s identity.

c)Any Portable Units initialized after the Base Station is powered up will also be logged-in as indicated by “ACK” registered with the user’s identity.

d)The base station tracks the time for each Portable Unit from log-in until each respirator user leaves the hazardous area and shuts down their respirator.

POWER			EVAC	ALARM
BUTTON			BUTTON	LIGHT
		NORMAL	EXT
		NORMAL	DC
			DC
	POWER		EVAC
		OUT OF	LOW
		RANGE	BATT
	DIGITAL DISPLAY WINDOW
	MENU		ALARM
	MENU
	CLEAR	ACK
MENU	CLEAR	ACKNOWLEDGE		SCROLL
BUTTON	BUTTON		BUTTON	BUTTONS

FIGURE 4

BASE STATION

WARNING

THE SEMS BASE STATION MUST BE MONI- TORED BY A FULLY TRAINED INDIVIDUAL WITH THE ABILITY TO DIRECT RESCUE OP- ERATIONS AT ALL TIMES WHEN LOGGED-IN RESPIRATOR USERS MAY BE IN A HAZARDOUS AREA. FAILURE TO PROVIDE A PROPERLY TRAINED BASE STATION OPERATOR MAY PERMIT A SITUATION TO OCCUR WHICH COULD RESULT IN SERIOUS INJURY OR DEATH.