Turn On And Off - BRUEL & KJAER 4448 Manual De Instrucciones

tUrn On and OFF

to turn On type 4448
Press the Left (L) key. Type 4448 will run through
a start-up sequence.
The first screen displays model number and

firmware version. The second screen shows user
defined text (can be configured using Type 7825
Protector).
After startup, the instrument enters stand-by
mode, alternatingly showing time and date and
(if available) data from the last run.
to turn Off type 4448
Hold down the 'L' key for 3 seconds.

3 sec
4
COnFigUratiOn at startUp
to enter Configuration to Change value
Mode


Press and hold the 'R' Press the 'L' key to
key during startup. change the parameter
value.
parameters
CONTRAST
LANGUAGE
PRO. MODE
DISPLAY MODE
dB ALARMS
PRESET MODE NOTE: If the memory is to be cleared, a second
AUTO screen appears for confirmation. Change the option
CLEAR MEMORY to 'Yes' by pressing the 'L' key, then press 'R' to
confirm deletion.
to Select parameter

Press the 'R' key to
confirm the value
and move to the next
parameter.
Confirming the final
screen returns the unit
to standard operation.
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