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Setting the Alarm Level
To set the alarm level on the Radiation Alert® Frisker, hold down the backlight button for 3 seconds to enter
into the alarm set screen. The units of measure for the alarm will be displayed as the same unit of measure
you have chosen for the operation of the unit. Use the backlight button as a "+" button to increase the set
alarm level. Use the mode button as a "-" button to lower the set alarm level. Once you have selected your
desired alarm level, press both the backlight and mode buttons at the same time to exit the alarm set menu
and resume normal operation of the Radiation Alert® Frisker.
Triggering the Alarm
When the set alarm level is reached, the unit will alarm and the display will show the word "ALARM" at the
bottom.
Chapter 3: Calibration
Calibrating the Radiation Alert® Frisker
Before calibrating the Radiation Alert® Frisker, install 2 fresh standard AA alkaline batteries in the battery
compartment located in the lower rear of the handle (Figure 1(1)).
Setting the Dead Time
To enter the menu to set the dead time of your detector, hold down the mode button while powering on the
instrument. Hold down the mode button until the "Set Recip DT" screen appears.
Use the backlight button as a "+" button to increase the set dead time level. Use the mode button as a "-"
button to lower the set dead time level. Once you have selected your desired dead time level, press both the
backlight and mode buttons at the same time to exit the dead time set menu and resume normal operation of
the Radiation Alert® Frisker.
Setting the Gamma Sensitivity
To enter the menu to set the gamma sensitivity of your detector, hold down the mode button while powering
on the instrument. Hold down the mode button until the set gamma sensitivity screen appears.
Use the backlight button as a "+" button to increase the set gamma sensitivity level. Use the mode button as
a "-" button to lower the set gamma sensitivity level. Once you have selected your desired gamma sensitivity
level, press both the backlight and mode buttons at the same time to exit the gamma sensitivity set menu and
resume normal operation of the Radiation Alert® Frisker.
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