Svantek SV 973, Руководство пользователя

Страница: 76 / 212

SVAN 973 User Manual 76
13 MAINTENANCE
13.1 B
ATTERIES REPLACEMENT
SV 973 is delivered with four AAA alkaline batteries, but the you may also use AAA rechargeable
batteries.
The “
battery
” icon shows the condition of the internal batteries.
The instrument is not equipped with an internal charger; therefore, the rechargeable batteries can be
charged only after removal them out of the instrument.
To change or charge the batteries, switch
off the instrument, unscrew the coin slot
screw, take off the black bottom cover of
the instrument and slide the battery tubes
out.
Note: While changing the batteries, observe the correct polarity.
13.2 D
ISCONNECTING MICROPHONE
When the microphone requires service or you want to store
it separately from the instrument, you can disconnect the
microphone yourself.
To disconnect the microphone, switch off the instrument,
unscrew the microphone protective ring and pull the
microphone to extract it from the USB-C type connector.
To reinstall the microphone, insert it into the USB-C type
connector and screw on the microphone protective ring.
Note: The instrument set includes a protective microphone cap, which is recommended to
have always on the microphone, when the instrument is not used for measurements!
13.3 R
ESETTING THE INSTRUMENT
•
SYSTEM RESET: internal software reset clears any setup configuration and brings back the
default factory settings. See Factory Settings ( path: <Menu> / Auxiliary Setup ).
•
HARDWARE RESET:
internal hardware reset doesn’t change any settings. Make sure the battery
is not exhausted, and the unit is turned off. Hold down the <Shift> and <Start/Stop> keys for
20 seconds, and then release them. Turn on the instrument as usually.
Note: Hardware reset should only to be used in extreme situations such as an instrument
hang-up.
Be aware, that a hardware reset:
- will stop any pre-programmed auto-run modes,
- will stop measurement run!