BNC SAM 935 Portable Gamma Spectroscopy System - Manual (Page 50)

46 SAM 935™ Instruction Manual
2. If you know what the value should be, press F3 to manually edit the value:
When finished, press E NTER to save the new value.
- OR -
3. To perform the dose rate calibration, press F2. The SAM 935 will tell you that you need a Cs137
source of known activity and date to do this:
4. Press E NTER .
5. Enter the activity of the calibration standard at the
next screen and press E
NTER :
6. Enter the standard’s calibration date at the next
screen and press E
NTER :
7. You will be prompted to place the Cs137 standard 20
centimeters (7.87 in.) away from the SAM 935’s detector. Press OK (F2) when you have done so.
You will see a spectrum resolve on screen as the calibration is taken.
Contact your supplier if needed to get the value to
be entered manually here.