Read the following information before you use the handset.
Make sure the adapter voltage is the same as the electrical outlet voltage.
The C4050 handset uses radio signals and does not guarantee a connection
in all circumstances. Do not rely on a cordless telephone to make emergency
calls.
Never use your handset:
• in the vicinity of electrical detonators
• in shielded rooms
• in areas where radio transmission is forbidden
•in aircraft
Do not place a handset near:
• water, moisture or damp areas
• heat sources, direct sunlight or unventilated areas
• devices which generate strong magnetic fields such as electrical appliances, fluorescent lamps, computers, radios, televisions or fax machines
• areas where the handset can be covered, its ventilation impaired, liquid
spilled on the unit or objects inserted into the handset through any openings
• areas with dust, vibration, shock or temperature extremes
Check for small metal objects in the C4050
handset earpiece/mouthpiece before using
the handset.
Do not store or locate flammable liquids,
N441
gases, or explosive materials in the same
compartment or vicinity as the cordless
handset, its parts or accessories.
Battery information
Read the following information before you handle the batteries.
• do not replace the batteries in potentially explosive environments, such as
rooms where flammable liquids or gases are present
• do not charge the batteries unless you use the supplied charger and the
proper batteries
5
C4050 Handset
• do not let the battery or the charger come into contact with conductive
metal objects
• do not dispose of the batteries in a fire
Battery installation
The C4050 handset uses two NiMH (Nickel-Metal Hydride) rechargeable AAA
650 mAh batteries.
Do not use disposable AAA 1.5 V batteries.
Battery replacement
553-A0080
Slide the back cover of the handset upwards to insert or remove batteries.
Battery charging
Comply with the following:
• charge the battery for at least eight hours before using the handset for the
first time
• charge the handset on a regular basis
• do not leave the handset connected to the charger longer than one month
without using
A fully charged handset, when switched off, discharges in approximately one
week.
6
C4050 Hands et
The handset display screen shows the batterie s cha rg e statu s.
When the batteries are replaced, the battery status does not appear on the
display screen until the replaced batteries are charged.
When ten minutes of battery stand by time remains, the handset emits three
short beeps.
Initial Setup
Plug the charger into the electrical outlet.
Place the handset in the charger.
The handset display shows “Charging”, and the LED light-ring is green when
the handset is in the charger. When the handset is fully charged, the LED
light-ring turns off.
Before the handset is charged, the handset operates with the speaker phone
feature when placed in the charger.
7
C4050 Handset
Cleaning the C4050 handset
When cleaning the handset and charger, disconnect the charger from the
electrical outlet.
Wipe the handset and charger using an anti-static cloth, or a slightly moistened soft chamois leather. Dry with a soft cloth.
Clean the charging contacts on the handset and charger with a lint-free cloth.
Caution
!
Never use cleaning agents or solvents on the
handset or charger.
C4050 Handset features
553-A0078
8
Handset display screen
C4050 Hands et
#""""""""""""$""""""""""
#""""""""""""$""""""""""%
#""""""""""""$""""""""""#""""""""""""$""""""""""
TelBook
The icon line shows the active menu item.
The three text lines display menu lists and text, or information about the
current connection status.
The Icon line uses symbols that show the current status of the handset as
follows:
Nortel
Daphne Scott
5420
&
'
#
$
(
%
%%
Menu
Ringer deactivated
Caller Filter activated
Good radio link - at least two bars showing
Degraded radio link - left bar flashing
Handset off-hook
Voicemail message
Icon line
Text line 1 - System Name
Text line 2 - User Name
Text line 3 - handset extension number
Softkey line
%
)
*
Handset keys
Use !"to activate the features and actions displayed on the softkey line
of the display screen.
Charge status of batteries
Keypad locked
Volume level indicator
9
C4050 Handset
Use
+"to scroll through feature lists and the redial list. Press ,"for two sec-
onds to turn the handset power on or off.
- to edit a character or an entry.
Press
Display screen
The display screen back-light activates when there is an incoming call, or if a
key is pressed. The light switches off after 10 seconds.
LED light-ring
The LED light-ring turns red to indicate an incoming call. The LED light-ring
turns green when the handset is charging.
Volume control
Press the +/– buttons on the side of the handset to increase or decrease the
volume of the speakerphone, the volume of the handset earpiece, or the
volume of the headset earpiece.
When the minimum or maximum volume is reached, the handset beeps.
*"
*" icon increases or decreases in size as the volume incr eases or
The
*"*"
decreases.
Keypad
Use the keypad to enter the number.
Using the C4050 handset
The handset must be subscribed to make a call. Contact your System Administrator to have your handset subscribed.
Make a call
Pre-dialing is the preferred method for making a call: dial the number and
..
press
Another method is to press
10
. and dial the number.
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