Castle Group Limited
Salter Road, Scarborough, North Yorkshire, YO11 3UZ, UK
Tel: +44(0)1723 584250, Fax: +44(0)1723 583728
email: [email protected], Internet: www.castlegroup.co.uk
Starting up your SONUS Dosemeter
To turn on your instrument press and hold the Power On/Off key
for approximately one
second. (Your meter will display the start-up screen and initialise any saved settings.)
To Calibrate using a Castle Calibrator (GA601 or GA607) attach the calibrator to the
microphone, press the
MENU
key and use the
arrow keys as required until CAL is on
the screen. Press
OK
twice and the instrument will calibrate to the level of the calibrator
(default 94dB), displaying
COMPLETE
when finished.
Setting the Time-history interval
Press
MENU
then press the
arrow key to find
SETUP
. Press
OK
to show
INTERVAL
on
screen, then press
OK
again. Using the
arrow key, select the desired time-history size
and press
OK
. Display will show
DONE
. Press
C
to return to measuring screen.
Taking a Measurement
To start recording, press the
STOP/RECORD
Key
so the display briefly shows
REC
MODE
. You can review the parameters using
arrow keys during recording
When ready to stop, press
again, so the display shows
SAVE YES
. If you don’t want to
save, press
C
key. To save, press
OK
.
The following will then be displayed: -
Display
Description
8Hr ET
Set Exposure Time period to 8 Hours
ENTER ET
Enter an Exposure Time period
NO ET
Use Measurement Run Time period (Log Length)
Exposure Time entry uses the following 24 hour format (hh:mm:ss) and the adjustable figure
flashes, this always starts with the
HOUR
figure.
Locking the Keypad
To lock the keypad, press the padlock key
. This will immediately lock the keypad, and the
display will show the battery indicator screen, i.e. BAT: |||| |||| |||| ||||. To unlock the instrument, press
C, OK, i
in succession, and the display will return to the LAF screen.
Reviewing measurements
Press the
MENU
key then use the
arrow keys until screen displays
‘LOGS’
(If no logs are
available this option is not shown).
Press
OK
and the instrument will display the currently saved logs in date order.
Scroll through the available dates using the
arrow keys.
Press
C
to exit without selection or
OK
to confirm the selection, the instrument will then
display the currently saved logs by time recorded.
Scroll through the available times using the
arrow keys.
Press
C
to exit without selection and return to the date list or
OK
to confirm the selection,
the instrument will then view the saved cumulative information for the log selected.
Scroll through the available data using the
arrow keys.
Press
C
to exit and return to the parameter display screen when required.
