Switching function of the EDP
Switching the EPD on: (long press operating button 1 time)
The EPD is switched off before starting-up, the LCD display screen is therefore set to OFF.
To switch the unit on, the operating button must be pressed for two seconds, after which the
display screen will reset to the H
p
(10) condition. The EPD is now ready to perform
measurements.
After the first operational use, the displayed value must be 0 μSv, as the predose values are
cleared prior to shipping. Please note that during continuous operation, the EPD measures the
natural environmental dose simultaneously. The natural environmental dose is dependent on
the location and is about 1 μSv per 12 hours measurement time.
Now, if you continue to hold the operating button pressed, the unit switches every second
between the available functions (see above). The display screen indicating the current status
of the EPD has shifted to ON.
Switching the EPD off: (hold operating button until "ON" is displayed, short press 4
times)
To switch the unit off, the operating button must be kept pressed until ON appears on the
display screen. Then, the button must be pressed twice briefly in order to activate the function
(now, the display screen begins to flash and is set to OFF); press again twice to confirm the
function (the display stops flashing while OFF is still being displayed). The unit is now
disconnected and stops recording exposure.
Please note: The EPD must be switched off after every operational use because otherwise it
continues to measure and record the accumulated dose values.
Switching the acknowledgment signal off: (hold operating button until „btn“ is
displayed, short press twice)
To switch the acknowledgment signal on and off while actuating the operating button, the
operating button must be pressed and held until the symbol "btn" appears on the display
screen. Then, the button must be pressed twice briefly to activate / deactivate the function.
Display of the personal dose
Hp(10): (preset)
The indication of the personal dose equivalent H
p
(10) is the default setting of the EPD and will
appear on the display screen automatically after switching the unit on. The dose is being
continuously summed while the unit is in operational use. The dose value cannot be reset.
Even after switching off the unit or changing the battery, the stored dose cannot be deleted.
If a different setting is selected by holding the operating button, the display screen will revert
back to the default setting automatically after 10 seconds.
FO50KOM27A/ Guide for use
4
As of January 2014
