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TBR TIME ADJUSTMENT
Transfer break times may be adjusted from 
100~600ms in increments of 100ms.  In all cases 
press ‘SET’, ‘TRANSFER’, followed by a numeric 
key (1~6) then SET to 

fi

 nish.  Default = 100ms.

PROGRAMMING PORT
The Berkshire 400 has an unidenti

fi

 ed  port, 

alongside the other con

fi

 guration switches, at the 

rear of the telephone. Programming of this port is 
limited to technicians trained in its use.

Help

NO DIAL TONE

Check that the telephone plug is fully inserted in 
the socket
If it is, try connecting the telephone into another 
socket, if available. If dial tone is now heard, the 
original socket is faulty.
Alternatively, try connecting another telephone 
into your socket. If this telephone gives dial tone, 
then your new telephone is probably faulty.

TRANSFER/RECALL KEY NOT WORKING

Change the recall selector switch setting (T/E). 
If the transfer operation is now satisfactory, the 
problem is resolved. 

For help with voicemail, call divert and call pickup 
please contact your Telecom Team/Provider as this 
will vary depending upon what switchboard you are 
connected to.

Compliance Notes

The Berkshire 400 may be connected to the following 
types of installation:

Direct Exchange Lines (DEL)
Compatible Private Automatic Branch 
Exchanges (PABX). Please contact the 
supplier of your Berkshire 400 to con

fi

 rm  

compatibility with your PABX.

Whilst the Berkshire 400 is compliant as an 

 

extension to a compatible PABX system, it cannot be 
guaranteed to operate under all possible conditions 
of connection. Any case of dif

fi

 culty should be 

referred in the 

fi

 rst instance to the supplier of your 

telephone.

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2.

Guarantee

Your Berkshire 400 telephone is designed and 
manufactured to exacting quality standards. This 
enables ATL Telecom Limited to offer a 10 year 
guarantee from the date of purchase. This guarantee 
protects against faulty material or workmanship, 
applies to the UK only and is not transferable.

The terms and conditions under which the guarantee 
will be valid are as set out below.

Misuse or any modi

fi

 cation carried out to 

the telephone, or operation other than in 
accordance with the instructions supplied, 
will invalidate the guarantee.
Damage arising from incorrect installation, 
accidental damage or consequential loss, 
are not covered under the guarantee.
In the event of a fault developing during 
the period of the guarantee, the complete 
telephone should be returned to your 
supplier, adequately and safely packed, 
together with proof of date of purchase.
The liability of ATL Telecom Limited will 
be limited to the cost of repair or complete 
replacement of the same defective 
instrument, at the discretion of the 
company. In the event that the same item 
is not available, a suitable alternate will be 
offered. 
The terms of this guarantee do not affect 
your statutory rights.

Manufacturer’s Declaration

ATL Telecom Limited declares that this product is 
in conformity with the essential requirements of the 
‘R&TTE directive 1999/5/EC’

Note: A copy of the Declaration of Conformity is 

available upon request from ATL Telecom Limited.

ATL Telecom Limited,
Lakeside, Fountain Lane,
St Mellons, 
Cardiff
CF3 0FB

Telephone: 0330 333 8250
Facsimile: 0330 333 8251

www.atltelecom.com

1/341/003/610    Issue 02                         April 2010

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5.

Berkshire 400

 

Thank you for choosing a Berkshire 400 telephone. You have selected a 

carefully designed telephone that incorporates the very latest technology, 

offering a stylish instrument and providing many years of excellent 

service.

This booklet will ensure you obtain the best use of your telephone.

User Guide

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