Thermo Interceptor, Руководство пользователя

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3. Operating the I
NTERCEPTOR
™
sible to LOCK the keyboard by pressing and holding the
POWER
button for
approx. 2 seconds. In all other modes pressing the
POWER
button switches
the mode back to the default mode or performs the action that is described
on the displayed, function box corresponding to this button. Pressing and
holding the
POWER
button for more than 5 seconds switches the device o
ff
.
An exception to the typical operation of
User Attended Mode
is whenever
the unit is both connected to and communicating with the PC, regardless of
whether through USB or Bluetooth® wireless technology. In this state none
of the buttons on the unit are active, with the exception of the center button,
which may be depressed to switch the unit o
ff
. The unit reverts to
Dose Rate
Mode
while communicating with the PC.
The following section describes the functions of User Attended Mode in de-
tail.
Warning The factory-set, default start mode is
Dose Rate Mode
. s
3.2.1 Dose Rate Mode and Finder Mode
In Dose Rate Mode, the actual dose rate is displayed in the unit of measure
selected. The PC configuration utility allows two options: Rem/h or Sv/h.
Refer to chapter
4.1 , p. 55 for further information.
The actual neutron counting rate (optional) is displayed in the unit of mea-
sure (cps or cpm) selected using the PC configuration utility.
The bar below the dose rate display shows the dose rate in a logarithmic scale
and the two markers represent the warning and alarm thresholds. The thresh-
olds for both warnings and alarms can be changed using the PC software.
Warning The device will also describe the source as a “High Energy” or
“Low Energy” source. The “High Energy” description is displayed when-
ever the ratio of the detected counts above an energy threshold to all of the
24 Interceptor™/en/5.1(4956)/Feb2010 ICx Technologies