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149 Chapter 20
21
Do not attempt to service this product yourself, because opening or removing covers may expose
you to dangerous voltage points and/or other risks. Refer all servicing to service personnel.
22
This product has no mains ON/OFF switch. It is therefore highly important that access to the
mains plug and the mains socket to which the plug is connected, is never obstructed, in case for
some reason the mains power to the machine must be quickly disconnected.
23
Unplug this product from the mains power and telephone line sockets, and refer servicing to
qualified Service Personnel under the following conditions:
◆ If the power cord is damaged or frayed.
◆ If liquid has been spilled into the product.
◆ If the product has been exposed to rain or water.
◆ If the product does not operate normally when the operating instructions are followed.
Adjust only those controls that are covered by the operating instructions. Improper
adjustment of other controls may result in damage and will often require extensive work by
a qualified technician to restore the product to normal operation.
◆ If the product has been dropped or the cabinet has been damaged.
◆ If the product exhibits a distinct change in performance, indicating a need for service.
24
This unit will only work in conjunction with a tone signalling (DTMF) telephone, but some
telephones are not compatible. Since noise or speech from the telephone can upset dialling from
this unit, errors may result if the devices are used together in other than quiet conditions.
25
Where it is necessary to dial prefix digits, such as a Caller Display override code (“0196” or
“0197”), this unit will have to be used in conjunction with an associated tone signalling (DTMF)
telephone.
26
Note that some telephones are not compatible with this unit and dialling errors may result if the
two devices are used together in other than quiet conditions. The Telecom Faults Service is not
to be called should such problems arise. In such cases, it is recommended that the prefix and
wanted number are dialled manually.
27
This equipment may not provide for the effective hand-over of a call to another device
connected to the same line.
IMPORTANT-For Your Safety
To ensure safe operation the three-pin plug supplied must be inserted only into a standard three-pin
power point which is effectively grounded through the normal household wiring.
Extension cords used with the equipment must be three-conductor and be correctly wired to provide
connection to ground. Incorrectly wired extension cords are a major cause of fatalities.
The fact that the equipment operates satisfactorily does not imply that the power is grounded and
that the installation is completely safe. For your safety, if in any doubt about the effective grounding
of the power, consult a qualified electrician.
Disconnect device
This machine must be installed near a power outlet, which is easily accessible. In case of emergencies,
you must disconnect the power cord from the power outlet in order to shut off power completely.
IMPORTANT NOTICE
Under power failure conditions, this telephone may not operate. Please ensure that a separate
telephone, not dependent on local power, is available for emergency use in emergencies.