Gigaset DESK 400 User manual

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Gigaset DESK 400 / IM en/ A30054-M6538-A701-3-3T19 / DESK400_en.fm / 01.12.2022
Gigaset DESK 400 overview
1Insert strip
for writing the speed dial and
direct dial key assignment
2Direct dial keys
3Mute key
4Set key
5Volume key
6Redial/Pause key
7Recall key
8Speed dial key
9Sliding switch for switching be-
tween pulse and tone dialling
(on the back of your base sta-
tion)
10 Stand
5
3
2
4
6
7
8
1
10
9

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Gigaset DESK 400 / IM en/ A30054-M6538-A701-3-3T19 / DESK400_en.fm / 01.12.2022
Carefully read through the operating instructions and heed the
instructions when using your phone. Keep the operating instruc-
tions for future reference. Only use the jacks and leads supplied.
Intended use
Your DESK 400 phone, or phone
below, is suitable for making calls
within a phone network. The phone
is suited solely to private use in
enclosed indoor areas.
Any other use is deemed non-
intended use.
Do not perform any modifications of
or conversions to the device.
Safety precautions
Only connect the connector
cable to the phone socket
intended for it.
Do not use the devices in envi-
ronments with a potential
explosion hazard
(e.g. paint shops).
The devices are not splash-
proof. For this reason do not
install them in a damp environ-
ment such as bathrooms or
shower rooms.
Remove faulty devices from
use or have them repaired by
our Service team, as these
could interfere with other
wireless services.
Check the package contents
Check the package contents of your
phone, before you start using it:
handset
base station
stand
connector cable
handset cable
operating instructions
If something is missing or damaged,
please contact our Customer Service
team (page 7).
Insert strips
Blank insert strips for the speed and
direct dial keys can be found online
at: www.gigaset.com/manuals

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Gigaset DESK 400 / IM en/ A30054-M6538-A701-3-3T19 / DESK400_en.fm / 01.12.2022
Connecting the telephone
Connect the handset to the base
station.
Connect the short end of the
handset cable to the handset
and the other end to the base
station (3).
Connect your telephone to your
telephone line.
Connect the connection cable to
the base station (2) and your
telephone socket.
Guide the connection cable
through the cable duct on the
standfoot.
Mount the stand on the back of
your telephone in the upper
position (1). This improves the
legibility of the keys and the
insert strip.
Insert the stand into the holder
provided. You will hear the stand
click into place.
1
2
3
4
5

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Gigaset DESK 400 / IM en/ A30054-M6538-A701-3-3T19 / DESK400_en.fm / 01.12.2022
Wall mounting
WWarning! Electric shocks and
gas explosions pose a risk to life.
When fitting to a wall, ensure you
avoid any power cables or gas pipes
located in the wall. Ensure that you
do not unintentionally damage
power cables and gas pipes.
This device is only suitable for a max-
imum installation height of 2 m.
Drill two holes into the wall, sep-
arated horizontally by approx.
65 mm, and insert two suitable
screws (not included in the deliv-
ery).
Mount the stand on the back of
your telephone in the lower posi-
tion (5). This improves the legibil-
ity of the keys and the insert
strip.
Insert the stand into the holder
provided. You will hear the stand
click into place.
If necessary, set the dialling
mode (page 6) using the sliding
switch (4) before mounting your
telephone.
Fit the phone on the projecting
screws.
Setting up the telephone
for use
Recommended installation of tele-
phone:
Do not expose the telephone to
direct sunlight or other sources
of heat.
Operate at temperatures of
between +5°C and +40°C.
Maintain a distance of at least
one metre between the tele-
phone and radio equipment, e.g.
radio telephones, radio paging
equipment or TV sets.
Otherwise, telephone communi-
cation could be impaired.
Do not install the telephone in
dusty rooms as this can limit the
service life of the telephone.
Furniture lacquer and polish can
be adversely affected by contact
with parts of the unit (e.g. feet).
Dialling and saving
numbers
Dialling a number
Lift the handset, dial
the number.
Last number redial
The last number dialled is automati-
cally saved.
R Lift the handset, press
the last number redial
key.
Direct dial and speed dial
You can store a total of 14 phone
numbers (max. 21 digits each).
10 phone numbers as speed dials via
the number keys (0-9) and 4 phone
numbers via the direct dial keys.
Storing a direct dial number
K Lift the handset, press
the set key.
BPress the direct dial
key.
Enter the number for
the speed dial.
KPress the set key.
Saving speed dial number
K Lift the handset, press
the set key.
PPress the speed dial
key.
Q... ODefine the speed dial
number.
Enter the number for
the speed dial.
KPress the set key.

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Gigaset DESK 400 / IM en/ A30054-M6538-A701-3-3T19 / DESK400_en.fm / 01.12.2022
Dialling a direct dial number
B Lift the handset, press
the direct dial key.
Dialling a speed dial number
P Lift the handset, press
the speed dial key.
Q... OPress the speed dial
number key.
Notes on saving and deleting
speed dial numbers
and #are saved regardless
of the set dialling mode but are only
dialled with tone dialling mode
(page 6).
If the number entered is longer than
21 digits, the saved number is
deleted.
Dialling pauses
One or more dialling pauses for
speed dial numbers can be entered
using
R (not at 1st digit). Pauses
are transferred to the memory and
are necessary for certain extension
systems (e.g.: 0
R 2368).
Dialling a dialling pause within
the first 5 digits:
The entire number saved is
dialled, including the
2-second dialling pause.
Dialling a dialling pause after the
first 5 digits:
The portion of the number saved
after the pause is only dialled
after pressing the Rkey.
Adjusting the telephone
Setting the handset volume
The handset volume can be set to
two levels.
SPress the handset vol-
ume control key.
The primary volume is reset after
hanging up.
Mute
You can deactivate the telephone's
microphone during a call.
CPress the mute key.
To reactivate microphone: Press the
mute key again.
Setting the ringer
You can set the ringer melody and
volume or turn it off (factory default:
level 6).
K Lift the handset, press
the set key.
#Press the hash key.
Q... OPress one of the num-
ber keys.
(0: Ringer off until
handset is next lifted).
KPress the set key.
Operation on a PABX
Special functions/Recall key
During an external call, you can
make an enquiry or forward the call.
To do this, press the recall key H.
The subsequent procedure depends
on your PABX.
To set the recall key, the telephone’s
flash time must be set consistent
with your PABX. Please refer to the
operating instructions for your PABX.
Volume
low medium high
Melody 1   3
Melody 2   L
Melody 3 M N O

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Gigaset DESK 400 / IM en/ A30054-M6538-A701-3-3T19 / DESK400_en.fm / 01.12.2022
Changing the dialling mode/
flash time
The telephone supports the follow-
ing dialling modes:
Depending on your PABX, you may
need to change your telephone’s
dialling mode or the flash time.
Temporary tone dialling switching
in "Pulse" position
To use functions that require tone
dialling (e.g. remote control of
answering machine), you can set the
telephone to tone dialling for the
duration of the call without adjust-
ing the switch.
After the connection is established:
Press the star key.
After the connection is broken, the
setting reverts to pulse dialling.
Operation on public
telephone systems
Public telephone systems - in some
cases by special order/request – offer
you a range of useful additional ser-
vices (e.g. call divert, call back on
busy, three-party conference etc.).
These services can be selected using
specified key combinations, which
your network provider will notify you
of.
You can save the entire key combina-
tion, including the number of a fixed
call divert destination, to your speed
dial keys just like a normal number.
Recall key
In public telephone systems, the
recall key is required to use certain
additional services; e.g. for "Call back
on busy".
You may need to adjust the flash
time of your telephone to the needs
of the public telephone system. Use
the sliding switch on the backof your
base station. (page 6).
Appendix
Care
Wipe the device with a slightly mois-
tened cloth or an antistatic cloth. Do
not use solvents or microfibre cloths.
Never use a dry cloth; this can cause
static.
In rare cases, contact with chemical
substances can cause changes to the
device’s exterior. Due to the wide
variety of chemical products availa-
ble on the market, it was not possible
to test all substances.
Impairments in high-gloss finishes
can be carefully removed using dis-
play polishes for mobile phones.
Contact with liquid
If the device comes into contact with
liquid:
1 Unplug all cables from the de-
vice.
2 Allow the liquid to drain from the
device.
3 Pat all parts dry,
4 Place the device in a dry, warm
place for at least 72 hours (not
in a microwave, oven etc.) with
the keypad facing down (if appli-
cable).
5 Do not switch on the device
again until it is completely dry.
When it has fully dried out, you will
normally be able to use it again.
T1: Tone dialling, flash time 100 ms
T2: Tone dialling, flash time 270 /
600 ms
P: Pulse dialling
Use the sliding switch
on the back of your
base station.

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Gigaset DESK 400 / IM en/ A30054-M6538-A701-3-3T19 / DESK400_en.fm / 01.12.2022
Questions and answers
You lift the handset but you hear no
dialling tone: Is the connecting lead
correctly plugged into the telephone
and the telephone socket?
The dialling tone is audible but the
telephone will not dial: The connec-
tion is OK. Is the dialling mode set
correctly?
The other party cannot hear you:
Mute activated?
Regular pulse noises can be heard dur-
ing a call: The connection is receiving
metering pulses from the exchange,
which the telephone cannot inter-
pret. Contact your network operator.
Protecting our environment
Environmental management
system
Gigaset Com-
munications
GmbH is cer-
tified pursu-
ant to the
international standards ISO 14001
and ISO 9001.
ISO 14001 (Environment): Certified
since September 2007 by TÜV SÜD
Management Service GmbH.
ISO 9001 (Quality): Certified since
17/02/1994 by TÜV SÜD Manage-
ment Service GmbH.
Disposal
All electrical and electronic products
should be disposed of separately
from the municipal waste stream via
designated collection facilities
appointed by the government or the
local authorities.
This crossed-out
wheeled bin symbol on
the product means the
product is covered by
the European Directive
2012/19/EU.
UK: The Waste Electrical and Elec-
tronic Equipment Regulations 2013.
The correct disposal and separate
collection of your old appliance will
help prevent potential negative con-
sequences for the environment and
human health. It is a precondition for
reuse and recycling of used electrical
and electronic equipment.
For more detailed information about
disposal of your old appliance,
please contact your local council
refuse centre or the original supplier
of the product.
Authorisation
This device is intended for analogue
phone lines in your network.
Country-specific requirements have
been taken into consideration.
We, GigasetCommunications GmbH,
declare that this device meets the
essential requirements and other
relevant regulations laid down in
Directives 2014/30/EU and 2014/35/
EU.
The full text of the EU and UK decla-
ration of conformity is available at
the following internet address:
www.gigaset.com/docs
This declaration could also be avail-
able in the "International Declara-
tions of Conformity" or "European
Declarations of Conformity" files.
Therefore please check all of these
files.
Contacts
If you should encounter any prob-
lems when operating the telephone
connected to a communication sys-
tem with analogue network access,
please contact the network operator
responsible or your deal.

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Gigaset DESK 400 / IM en/ A30054-M6538-A701-3-3T19 / DESK400_en.fm / 01.12.2022
Issued by
Gigaset Communications GmbH
Frankenstraße 2, D-46395 Bocholt
© Gigaset Communications GmbH 2022
All rights reserved. Subject to availability.
Rights of modification reserved.
www.gigaset.com
A30054-M6538-A701-3-3T19