There are two shortcuts:
•
A long press on the left arrow button toggles the measurement
sound (on/off).
•
A long press on the right arrow button toggles the display
backlight (on/off).
RaySafe 452 – Users Manual (EN)
Menu structure
About
Alarm level
Unit
Measurement
sound
Backlight
Measurement
screen
Stored
measurements
8
Information screen with firmware version (FW), serial
number (S/N), checksum for adjustment data (CRC),
and adjustment date (Adj.).
Select a rate alarm level: Off, Test, or a level from a
selection spread over the range of the current rate
quantity.
Change measurement unit. Dependent on lid status.
See "Lids and quantities" on page 7.
Turn on or off the measurement sound. Each pop
sound corresponds to a discharge of the Geiger-
Müller pancake, to a maximum frequency of 500
pops per second.
Turn on or off the display backlight.
Current measurement parameters, default screen
after power on.
Access measurements stored since the instrument
was last powered on. See "Access stored
measurements" on page 6.