5
2.9 Modem/Data Connection Socket
The NRX 4 telephone has an addition socket marked
MODEM, which allows the user to connect an extra
telephone, modem or fax machine to the telephone line.
This socket is at the back panel of the base cabinet and has
a removable plastic cover.
2.10 Message Waiting
The NRX 4 has a built in LED and neon lamp for message
waiting indication. This is compatible with various PABX
systems providing such features. A Message waiting switch
is built inside the switch compartment located on the base
bottom. This switch enables the LED to detect two
different line reversal signals by selecting switch position 1
or 2.
For 90V DC or AC message waiting signalling PABX's the
neon is used for indication. Set the position of the switch
to off as the LED is not needed for indication.
The default switch position is OFF
2.11 Recall Facility
The NRX 4 is fully compatible with many telephone
network services, which provides a number of useful
.
Operation
additional facilities, including three way calling, call
diversion, call waiting etc. These can be accessed
via the RECALL button on the keypad. For further
details, please contact your local PTT Sales Office.
The Recall timing can be adjusted if required as
follows:
100ms (Default) - (STORE)(VOL UP)(RECALL)(1)
300ms - (STORE)(VOL UP)(RECALL)(3)
600ms - (STORE)(VOL UP)(RECALL)(6)
2.12 Last Number Redial
The last number dialled on the telephone can be
redialled by pressing the Redial button after either
lifting the handset or pressing the Speakerphone
button.
2.13 Speakerphone
The 'SPEAKER/HS' button allows the user to
operate the telephone without lifting the handset if a
headset is not connect to the telephone. Press the
'SPEAKER/HS' button once, then operate the
telephone as normal. Communication with the party
4
Operation
at the other end of the telephone line is possible using
the built in Microphone and Speaker.
2.14 Headset Facility
The ‘SPEAKER/HS’ button also enables you to use a
headset with your NRX 4 telephone. Simply connect
a headset and press the ‘SPEAKER/HS’ button once
to connect to the line. Pressing the ‘SPEAKER/HS’
button again will disconnect the telephone line and
terminate the call.
During a headset conversation, lifting the handset
will switch the unit to the handset mode. The headset
will be disabled and the handset should be used for
conversation instead. The headset mode will be
activated again by pressing the ‘Headset’ button and
replacing the handset.
2.15 Adjustable Ringing Volume
On the right of the unit is a switch, this adjusts the ringing
volume of incoming calls. From left to right it has three
positions: off, low, high. Move the switch to the position
you require. In addition to the ringing tone there is a Ring
Indicator Lamp on the unit that will flash when the
telephone is ringing as a visual indication. The Ringer
Switch does not control this Ring Indicator Lamp.
2.16 Adjustable Ringing Tone Pitch
On the right of the unit, there is also a switch that
adjusts the ringing pitch of incoming calls. From left to
right it has three positions: low, medium and high.
Move the switch to the position you require.
2.17 Hear-aid compatibility
The handset receiver is hearing aid compatible.
3. WALL-MOUNTING THE UNIT
The NRX 4 telephone can be wall mounted using the
wall mount bracket installed on the bottom of the unit.
-
Dismount the wall mount bracket from the unit.
-
Placing the wall mount bracket to the required
position on the wall
-
Drill two holes on the wall according to the distance
as marked by two mounting holes.
-
Install the two screws supplied with the unit in the
wall.
-
Re-install the wall mount bracket to the bottom
cabinet for the wall mount position.
REDIAL
SPEAKER/HS
SPEAKER/HS
