INSTALLATION
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BusinessPhone 250 / BusinessPhone 50
Portable DT400 / DT410 / DT420 / DT430
INSTALLATION
GENERAL
This chapter describes how to connect and charge the battery of
your portable.
Note: If you are using the DT430 or another phone that was
equipped with an intrinsically safe battery for EX-classification,
you need to loosen the screws at the back of the phone, see “DT430”
in this section.
DT400 / DT410 / DT420 The DT400, DT 410 and DT420 are supplied with a high
capacity nickel metal hydride (NiMH) battery. If you have
more than one battery available, you charge only the battery.
Removing the battery
To remove the battery, use the two plastic ribbed
plates at the short side of the portable.
Pull the plates towards the middle of the
telephone
Unlocked
1
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