4
•
MENU
(
J
) appears when you are in the Utility Menu.
The Switches
The Radalert 100 has two switches on the front, and three buttons
on the end panel. Each switch has three settings, which are
described below.
On/Off/Audio Switch
(
6
)
Audio.
The Radalert 100 is on, and it makes a clicking sound
for each radiation event detected.
On.
The Radalert 100 is operating, but audio is off.
Off.
The Radalert 100 is not operating.
Mode Switch
(
5
)
mR/hr
µ
Sv/hr.
The LCD shows the current radiation level in
milliroentgens per hour from .001 to 110 or, when SI units are
used, in microsieverts per hour from .01 to 1100.
CPM CPS.
The LCD shows the current radiation level in
counts per minute from 0 to 350,000 or, when SI units are
used, in counts per second from 0 to 3,500. When
X1000
is
shown, multiply the numeric reading by 1000 to get the
complete reading.
Total/Timer.
The display shows the accumulated total of
counts starting when the switch is turned to this position, from
0 to 9,999,000. When
X1000
is shown, multiply the numeric
reading by 1000 to get the complete reading.
+, -, and SET Buttons
(
7
)
(on the end panel)
+ and – Buttons:
These are used to adjust the numeric
display for timed counts, alert settings, and calibration
settings, and to scroll through the Utility Menu.
Set Button:
This is used to set the alert, to set the correct
calibration reading, and to select items in the Utility Menu.