Casella CEL CEL-281 User Manual
Page 116
6.
Press the
or
keys to step forwards or backwards
through the series of cells to reach the cell corresponding to the
specified level.
7.
Press the
key to see the cumulative percentage time spent
at or above this level.
8.
Press the
key to see the level again.
9.
Press the
key again to see the probability percentage time
spent at this level.
10.
If necessary, press the
or
keys again at any time to
step forwards or backwards through the cells to reach another
specified level.
5.6.5
Retrieving Peak Exceedance Times
1.
Switch the CEL-281 ON.
2.
Slide the CEL-6012 Keypad on to the dosimeter.
3.
Wait about 30 seconds until TC= ,
,
or
is shown below
the main display.
4.
Press the
key once.
The main display indicates the current time.
5.
Press the
key again to check the current date.
Obtaining Required Results
CEL-281 Operator's Handbook - Page 107