NEC DT400 User manual

DT400/DT800
USER’S GUIDE
(1) Microphone
(2) Call Indicator Lamp
Lamp at top corner of DT Series Display flashes when a call
terminates to the terminal. Lamp lights steadily when a
message has been left.
(3) LCD (Note 1)
The LCD has A 24-character, 4- line capability. Top line is used
exclusively for the status icons.
(4) Exit
The user can exit from the Help key mode by pressing this key.
(5) Soft Keys
Any feature shown at the bottom of the LCD is available. The
appropriate feature key is displayed on the screen according to
the call handling process.
4:26 PM TUE 12 FEB 2020
[SPD Name ][ Headset ][ Mic ][ >>>]

This key is used to turn over the page of 8LD display.
Status of the Line key such as Call termination, Call Hold or
Busy, and setting on the Feature key are shown as Icons.
32 (8 keys x 4 pages) additional programmable keys are
provided.
(6) Help
Explanations of the Soft Keys can be called up on the LCD by
pressing this key.
(7) LCD Screen
Any feature shown
on the LCD is available. The appropriate
feature is
displayed on the screen according to the call handling
process.
(8) LCD Line Keys
The appropriate line feature on the LCD is
called up by pressing
these
keys.
(9) Scroll Key
* Maximum 8 characters can be displayed.
** The users can change the name displayed on the LCD. For
the operating procedure, refer to
To Register Name On
OneTouch Speed Dial key
.
Icons
User’s Status Icon
Flashing
Pattern
Idle
xCall Hold (Individual Hold on Call
Park Group) xExclusive Call Hol
Blink
Note
xRecall (Individual Hold/Exclusive
Call Hold/Call Transfer/
xIndividual Hold on Call Park Group)
Blink
Note
xDuring Conversation (Individual
Use)
xCall Transfer
xConference

Programmable Keys
These keys can be programmed as “Speed Dial key” on the
programmable keys, users can assign any numbers (ex.
Telephone number, etc.) to the key (up to 24 digits).
* Users can register name on each Speed Dial key.
For the procedures, refer to To Register Name On Speed
Dial key.
(10) Recall
Press key to finish the call and hear the dial tone.
(11)Feature
Used to activate any features as terminal setup
functions, etc. and to program Speed Dial Keys.
(12) Answer
When LED on this key is lit, press key to answer a waiting call.
(13) Mic
Press key to respond hands free. LED on this key must be lit
for speakerphone operation.
(14) Menu
From this key, the user can access info on missed calls.
(15) Cursor
By using this Key, DT Series user can access to various
features with simple operation.
Two lines of menu items can be displayed at a
time. Use "Up" or "Down" key to scroll the item.
(16) Enter
DT400/DT800 Series has Shortcut Menu for frequently- used
features. The user can access to Shortcut Menu by pressing
Enter Key.
(17) Speaker
Controls the build-in speaker which can be used for Hands Free
dialing/monitoring.
LED on key lights when key is active.

(18) Transfer
Allows the station user to transfer established calls to another
station, without attendant assistance.
(19) Hold
Press this key to place a call on hold. Pressing twice lock held
call to this station.
.
This describes operating procedures for terminal settings
by the UP/Down Key and Feature Keys.
Terminal Setup with the Up/Down Key
To Adjust Handset Receiver Volume
Press the Up/Down key in the off-hook status or during the
call.
To Adjust Speaker Volume
Press the Up/Down key during speakerphone operation or
during the call.
To Adjust Ringer Tone Press the
Up/Down key during ringing.
To Adjust LCD Contrast
Press the Up/Down key in the on-hook status.
Note: When the terminal is connected with 16LD ADM, 16 degrees of
LCD contrast are available (8 degrees in terminal side and 2 degrees
in ADM itself). (In Expansion mode only, Link motion)

Terminal Setup with the Feature Key
Microphone On/Off
LED on Mic key shows the status of the built-in microphone.
…Press Soft Key associated with the MIC Display or press
Feature and 1.
To Select Ringer Tone
(1) Press the MENU key
(2) Go to SETTING
(3) [1] User Setting
(4) [1] Incoming Call
(5) [4] Ring Tone
(6) [1] External Call (use Cursor (up down enter) to
select ringtone)
(7) Press EXIT to exit settings
DT Series has 14 kinds of ringer tones that you can select.
Tone 6 is default.
RINGER TONE
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NAME HSET MIC >>>
TONE No.
Frequency (Hz)
Modulation (Hz)
1
520/660
16
2
520/660
8
3
1100/1400
16
4
660/760
16
5
Melody 1
6
Melody 2
7
Melody 3
8
Melody 4
9
Melody 5
10
Melody 6
11
Melody 7
12
Melody 8
13
Melody 9
14
Melody 10

To Originate an Outside Call
…Lift handset or press Speaker key, receive dial tone.
…Dial the Central Office access code, 9.
…Dial desired telephone number.
…Use handset or MIC to start a conversation.
Display indicates:
To Originate an Internal Call
…Lift handset or press Speaker key.
…Receive dial tone.
…Dial desired station number. Display indicates digits
dialed.
…Use handset or MIC to converse.
Multiline Appearance
To Originate a Call
…Press the MULTILINE APPEARANCE feature key.
…Lift handset or press Speaker. Dial the Central Office
access code, 9.
…Dial the desired number.
To Answer a Call
…Press the MULTILINE APPEARANCE feature key
(ringing and flashing LED alert user to incoming call).
…Lift handset or press Speaker.
…Speak with incoming party.

To Place a call on HOLD
Press Hold. Held line wink flashes.
Held station number
HOLD 1212
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[ Voice ][ Headset ][ Release ]
Note: If held line appears on other DT Series stations, the
associated LED flashes red slowly.
To Retrieve
… Lift handset or press Speaker key.
… Press held line. Use handset to converse.
Note: Any station with this line appearance can retrieve the call.
If Unanswered
… After preprogrammed time, Automatic Recall is initiated.
… Visual and audible signal (rapid flash and ring burst) is sent to
station that placed call on hold.
Note: Hold shows as a flashing green LED on your phone.
The same line on other phones shows as a flashing red LED.
Recall shows as a flashing green LED on your phone and flashing
red LED on other phones with the same line.
To Place a Call on Exclusive Hold
… Press Hold twice. Line appearance indicates interrupted
wink.
Held station number
E-HOLD 1212
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[ Voice ][ Headset ][ Release ]
Note: If held line appears on other DT Series stations, LED
remains steadily lit red.
To Retrieve … Lift handset or press
Speaker.
… Press held line. Use handset to converse.
Note: Only the DT Series that set Exclusive Hold option can
retrieve the call.

… After preprogrammed time, Automatic Recall is initiated.
… Visual and audible signal (rapid flash and ring burst) is sent
to station which placed call on Exclusive Hold. Recall shows as
a flashing green LED on your phone, and solid red on other
phones with same line.
Note: Exclusive Hold excludes any other phone from picking up
your held call. Exclusive Hold shows as a flashing green LED
on your phone. The same line on other phones appears as a
solid red LED.
To Transfer a Call
… After conversing, ask party to hold.
Press Transfer. Receive interrupted dial tone.
TRANSFER
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[ Conf. ][ Headset ][ Release ][>>>]
… Dial destination station’s extension, hang up or wait for
answer.
To Conference a call
TRANSFER
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[ Conf. ][ Headset ][ Release ][>>>]
With call in progress, ask party to hold.
Press Transfer key, receive interrupted dial tone.
Dial desired number.
After call is answered, press Conf key.
CONF
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[ Conf. ][ Headset ][ Release ][>>>]
Three-way conference is established.
If one party hangs up, other two remain connected. Last
Call Pickup (Group)
When Station Within Pickup Group Rings
Lift handset.
Press Call Pickup key or dial Call Pickup access
code (may be stored on-one-touch speed calling
key).
PICK UP
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[ Release ][ Headset ][ Pickup/G ][>>>]
Connection to calling party is established.

Number Redial
To Recall The Last Number Dialed
Press Redial. The Last Number is displayed.
Press Redial to scroll through the last 5 numbers dialed.
Press *. The number dialed will be redialed and displayed.
NOTE: Each time the Redial key is pressed the
numbers dialed are displayed sequentially.
To Originate a Call Using Speed Calling
(One-touch Speed Calling keys)
…Press the desired Speed Calling key, or press
Speaker and Speed Calling key.
To program
(Available only on DT Series with One-Touch Speed
Calling key.)
…Press Feature button.
…Press desired Speed Calling key.
…Enter desired telephone number or feature access
code on the keypad.
Display indicates the digits dialed.
…Press Feature again to save the number.
SPEED SET
4:26 PM TUE 13 APR 2020
[SPD Name ][ Headset ][ Mic ][ >>>]
To Register Name On OneTouch Speed Dial key.
To register a name for the Speed Dial Number, press the
SPD NAME button (LCD display), press the desired
One-Touch Speed Calling key, enter the desired name
on the keypad, press the >>> button TWICE on the
upper display, then SET to save name.
When registering Name Information of One-touch Speed
Calling, the user can use uppercase alphabetic
characters.
The following tables show available characters for One-
Touch Speed Calling keys.
• Alphabetic character (Uppercase)
Digit
Code 1 2 3 4 5 6 7 8 9 0 * #
C
h
a
r
a
c
t
e
r
1
A
D
G
J
M
P
T
W
0
*
#
B
E
H
K
N
Q
U
X
@
&
C
F
I
L
O
R
V
Y
.
(
a
d
g
j
m
S
t
Z
,
)
b
e
h
k
n
p
u
w
’
[
c
f
i
l
o
q
v
x
:
]
2
3
4
5
6
r
8
y
;
!
s
z
-
?
7
9
/

Call Forwarding-All Calls
To Set
Press Speaker key or lift handset. Receive dial tone.
Press CF-AllCalls key. Receive special dial tone.
Dial destination station or 9 and the outside telephone
number.
Receive service set tone.
CF-AllCalls LED lights
Press Speaker key or hang up. Call Forwarding for all
calls is set.
To verify.
Leave phone on hook.
Press CF-AllCalls key.
Display indicates the station number calls are
forwarded to.
FORWARD XXXX
4:26 PM TUE 13 APR 2020
[ Voice ][ Headset ][ Release ]
To Cancel
Press Speaker key or lift handset. Press CF-AllCalls key.
FORWARD CANCEL
4:26 PM TUE 13 APR 2020
[ Voice ][ Headset ][ Release ]
LED on CF-AllCalls goes out.
Press Speaker key or hang up phone.
Call Forwarding-Busy/No Answer
To Set
Press Speaker key or lift handset. Receive dial tone.
Press CF-NoAnswer key.Receive special dial tone.
Dial destination station or 9 and the outside telephone
number.
Receive service set tone.
CF- CF-NoAnswer LED lights
Press Speaker key or hang up. Call Forwarding for all
calls is set.
To verify.
Leave phone on hook.
Press CF- CF-NoAnswer key.
Display indicates the station number calls are
forwarded to.
FORWARD XXXX
4:26 PM TUE 13 APR 2020
[ Voice ][ Headset ][ Release ]
To Cancel
Press Speaker key or lift handset. Press CF-NoAnswer
key.
FORWARD CANCEL
4:26 PM TUE 13 APR 2020
[ Voice ][ Headset ][ Release ]
LED on CF-NoAnswer goes out.
Press Speaker key or hang up phone.

To Save And Repeat A Number
To Save
Press Speaker key or lift handset.
Dial desired telephone number.
Press >>>, press S&R key. Dialed number is now
Stored.
Press Speaker key or lift handset.
Press S&R key. Phone automatically redials the
programmed number.
NOTE: If saved number is busy or no answer is
received, to save it again, press S&R key before
hanging up.