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Batteries
The 765 is designed to use 4 off AAA size nickel-metal hydride (NiMH) rechargeable
batteries. The instrument is supplied with these fitted.
The supplied batteries should last for several years and hundreds of charge cycles.
The batteries can be replaced by removing the back cover from the instrument. Ensure
replacement batteries are fitted the correct way round. Always use a completely fresh
set, unused, all from the same packet.
We recommend the use of GP “Recyko” NiMH batteries. These have the advantage
that they will keep their charge for over a year if the instrument is not used unlike
other types that will go flat in a month or two. There are other makes of NiMH that
have similar properties which should work. We have successfully tested Sanyo
“eneloop”.
Non Standard Batteries
In an emergency any AAA size 1.2 – 2V battery can be used in the 765 with the
following limitations:
• If using non-rechargeable types (eg alkaline) NEVER try to charge the batteries.
To disable charging press Set\Battery\Never. Charging can be re-enabled by
pressing Set\Battery\Allowed.
• Do not mix different types of battery in the instrument.
• Do not try to charge anything other than NiMH cells in the 765. This may cause
damage to the instrument and/or the batteries.
Charger
The 765 is supplied with an international charger. Before use the appropriate mains
plug need to be clipped onto it. As standard we supply a UK 13A plug, European 2
pin and USA 2pin. An Australian style plug is also available.
Any 5V USB charger/power supply can be used that is capable of supplying a current
of 0.6A.
The 765 can also be charged by plugging it into a PC USB port using the cable
supplied (or equivalent).
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