aurora
Sonata
Hand Held ISDN Tester—User Guide
8-6 427869
When the battery is fully recharged, it is safe to leave the
charger connected for longer periods. If you do this, it
continues ‘trickle charging’ the battery to maintain full
capacity, and the Bat LED glows green very dimly.
Note
Avoid ‘force charging’ aurora
Sonata
by repeatedly removing and
inserting the charger—this may cause excessive heat in the
tester and reduce the capacity of the battery.
Replacing a battery pack
It may be useful to carry spare battery packs with you, in case
the battery runs out at a site where no mains power is
available. Keep them in the carrying case until needed.
While you are replacing the battery, the real time clock and
system settings are maintained by a memory backup capacitor.
This should ensure that the settings are retained even if
aurora
Sonata
is left without a battery for several hours.
To remove the old battery
-1-
Remove the battery pack cover, which is on the
back of aurora
Sonata
. To do this:
• Loosen the screw by turning it anticlockwise
using a coin or screwdriver.
• When the screw is completely released, it pops
up. Slide the cover upwards to remove.
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