Batteries
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10.
BATTERIES
There are two battery cartridges for the P4428, the P4428B (white or
red label) which is intended for disposable primary cells and the
P4428R (black label) which is supplied with rechargeable cells.
10.1 Using Primary batteries
Only
Alkaline Manganese chemistry AA cells will give the specification
operational time. The other common types, Zinc Chloride and Zinc
Carbon will last less than 10 minutes and may cause the camera to fail
to start on a 'new' set of batteries.
Changing the Batteries
1)
Unscrew battery compartment cap on the end of the voltage
stabiliser unit.
2)
Tilt the voltage stabiliser unit to allow the battery cartridge to
slide out.
3)
Remove the screw from the top of the battery cartridge to
release the cover from the battery carrier.
4)
Remove the old batteries and replace with a fresh set. Change
all the batteries together and do not mix cell types in one
cartridge. It is essential that the batteries are put into the carrier
the correct way round, refer to the diagram for correct positions.
5)
Replace the outer cover and tighten the retaining screw.
6)
Insert the battery cartridge into the voltage stabiliser unit and
replace the cap.
LR6 is the IEC designation for AA size batteries using Alkaline
Manganese chemistry. Manufacturers designation for this battery type
vary, e.g. Duracell MN1500, Ever Ready Energizer, Varta 4006. It
should be noted that the statement "Equivalent to ........" on a battery
may only mean that it is the same size, not that it gives equivalent
performance.
Power checkers incorporated in some LR6 batteries are not accurate
gauges of expected battery life as they measure the off load cell
voltage. With poor cells they may show 75% or more whilst the
batteries are incapable of supplying the camera’s power requirements.
The open circuit voltage of the cartridge is between 14 and 16V
depending on charge state. It is fused at 1A.
