The Function Keys
The primary function of each of the function
keys is briefly described below. The program-
ming functions of these keys are covered in
Chapter 5, “Setting Up the Unit” (page 24).
ON/OFF
Press and hold to turn the unit
on or off.
RATE
Press to change to the Rate
Mode.
DOSE
Press to change to the Dose
Mode.
ALARM
Press to see the Stay Time,
the number of minutes you
can safely stay in the area at
the current Dose Rate. Spe-
cific information on Stay
Time is given on page 55.
WARNING
If the Dose Rate goes up, your
remaining Stay Time will go
down.
You should check your Stay
Time frequently when you are in
the presence of radiation.
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