Installation Manual 9
How to replace the fuse: Open the fuse compartment with a screwdriver and replace the fuse and
fuse cover.
The equipment must be connected to direct extension lines, and a payphone should not be connected
as an extension.
999 and 112 can be dialled on the apparatus after accessing the Exchange line for the purpose of
making outgoing calls to the BT emergency services.
During dialling, this apparatus may tinkle the bells of other telephones using the same line. This is not
a fault and we advise you not to call Fault Repair Service.
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