BT DIVERSE 4000 EXECUTIVE User Manual page 61

All items of telephone equipment
have a Ringer Equivalence
Number (REN), which is used to
calculate the number of items that
may be connected to any one
telephone line. The Diverse 4000
Executive has a REN of 1. Any
other instrument provided by BT
may be assumed to have a REN of
1 unless stated otherwise. A total
REN of 4 is allowed. (For example:
if Diverse 4000 Executive is used
in conjunction with three
extension telephones, each with
a REN of 1, the total REN is 4.)
Only use approved power supply
item code: C39 280-Z4-C478.
This product is intended for use
within the UK for connection to
the public telephone network and
compatible switchboards.
This equipment complies with the
essential requirements for the
Radio Equipment and
Telecommunications Terminal
Equipment Directive
(1999/5/EC).
If you are experiencing difficulty,
please call the BT Diverse
Helpline on
Generally this telephone may be
connected to switchboards which
support tone signalling and timed
break recall. In the event of any
difficulties please consult your
switchboard service provider.
You need only adjust this
setting if your switchboard
does not operate with the
pre-set tone dialling. You
can change the dial mode
to pulse dialling.
Press the
button.
Press the
navigation button until the
display shows
Press the
button.
Press the
navigation button until the
display shows
.
options
.
options
.
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