Preparation for use, Caution – HT instruments SIRIUS89N User Manual
Page 9

SIRIUS89N
EN - 7
3. PREPARATION FOR USE
3.1. INITIAL
CONTROL
This instrument has been checked mechanically and electrically prior to shipment.
Any care has been taken to ensure that the instrument reaches you under safe conditions.
You are recommended, however, to carry our a rapid check to detect any possible
damage which might have been caused during transport. Should this be the case,
immediately contact HT Italia.
Check also that the packaging contains all the parts listed under paragraph 14.5. In case
of discrepancies contact the dealer.
In case you have to send the instrument back please follow the instructions reported in
paragraph 15.
3.2. POWER
SUPPLY
The instrument can be powered by:
6 batteries 1.5V AA - LR6 series located in the compartment on the back of the
instrument (not included in the package). For battery life see paragraph 14.3.1.
An external power supply adapter (optional code A0050)
to be used only for
ANALYSIS and AUX function. We recommend You to use only A0050 HT Power
Supply adapter.
CAUTION
For your own safety it's not allowed to use the external power supply
adapter during Safety Test (LOW
Ω, MΩ, RCD, LOOP, EARTH rotary
Switch positions). If you press the START button the Instrument will
show the message "
o REMOVE POWER".
The symbol
shows the battery charge: If it is completely "black" the battery are full
charge, while the
symbol indicate weak batteries. When the batteries are too low to
execute the test the instrument will show a warning message.
In the case interrupt testing and replace batteries following the procedure described under
paragraph 13.2.
The instrument is capable of keeping the data stored even though
batteries are not installed. The Instrument Date and Time settings aren't lost if you
change the batteries within 24hours.