17
SVANTEK 977W User Manual
When the instrument is powered from the
internal batteries the
“battery”
icon is
presented on the top of the display and the
Battery
window presents the battery status
scale and battery voltage:
Voltage: x.xxV
. The
colour of the battery and the scale reflects the
battery capacity: green (>75%), yellow (>25%),
red (<25%).
►
To have right indication of the battery status the user should select the battery type in the
Type
position:
Alkaline
or
Rechargeable
.
Note: In case when
“Battery” icon is red it is strongly recommended to use an external power
adapter or USB interface as soon as possible to ensure reliable operation. If no suitable external
power source is provided the instrument will be switched off automatically
after a short time!
Prolonging
the internal source of the instrument’s power can be achieved by reducing the brightness of the
screen when possible. The settings of
Brightness
and power saver function may be done in the
Screen Setup
window (
path: <Menu> / Display / Screen Setup)
.
3.3.
Turning the instrument on
Switching the instrument on
To switch the power on the user should press
the
<Alt>
and
<Start/Stop>
push-buttons at
the same time.
The instrument goes through the self-test
routine after switching on, displaying during
this time: manufacturer logo, name of the
instrument, program and bootstrap versions,
their CRC as well as preamplifier and
microphone serial numbers; and then it
enters:
the last used just before the unit switch
off view mode in case of Vibration
measurements or
the
Running SPL
view mode in case of
Sound measurements.
Starting measurement
To start the measurements the user should
press the
<Start/Stop
> push-button. The
measurement will be performed with the
current instrument settings, which are
preserved in the internal memory of the
instrument.
<Start>
