5
Alternatively, you may also press the Mute button on
the handset. As long as the handset Mute button is
pressed, the microphone mute function is activated.
Releasing the handset Mute button will re-enable the
microphone for conservation.
In a office environment where for security reasons, a
'Push To Talk' facility is required, the handset button
can converted by switching a small micro switch
located in the compartment directly above the handset
button.
2.7 Impedance Matching
The Impedance Matching switch (SW5) inside the
battery compartment allows the NRX EVO 350 to be
connected to different types of PABXs. There are 3
positions for this switch. The default setting is
compatible to the BT's PSTN network, for matching
other PABXs, make a phone call and slide the switch at
different locations and find the position where the
sound on the receiver is at best quality.
2.8 Modem/Data Connection Socket
The NRX EVO 350 has two (2) sockets marked
‘MODEM’, which allows the user to connect an extra
Operation
telephone, modem or fax machine to the telephone
line. These sockets are located at the back of the base
cabinet. Only equipment complying with EN 60950
and intended for connection to the telephone network
should be connected to these ports.
2.9 Message Waiting
The NRX EVO 350 has built in message waiting
indicators that are compatible with most types of
PABX with such a facility. Different types of
message waiting signal can be programmed into the
telephone using the following procedure:
90VDC - Lift Handset then enter:
[PROGRAM] [REDIAL] [0] [PROGRAM] [*]
The telephone is supplied set to the default setting of
MWI - 90VDC. The SW4 '90V MWI' switch located
in the switch compartment should always be set to
ON for all MWI options.
POLARITY REVERSAL - Lift handset then enter:
[PROGRAM] [REDIAL] [1] [PROGRAM] [*]
To set line configuration - Lift Handset then enter:
[PROGRAM] [REDIAL] [0000] [REDIAL] [ [n][#]
4
Operation
n=0 - B Line is low
n=1 - B Line is high
HIPATH/HICOM - Lift handset then enter:
[PROGRAM] [REDIAL] [3] [PROGRAM] [*]
Also switch Hicom Sensitivity switch on the base of
the telephone to left ‘Low’. At all other times this
should be switch to the right ‘High’.
MD 110 - Lift handset then enter:
[PROGRAM] [REDIAL] [4] [PROGRAM] [*]
AT & T/ALCATEL - Lift handset then enter:
[PROGRAM] [REDIAL] [5] [PROGRAM] [*]
2.10 Pause Button
If the NRX EVO 350 is being connected to a PABX
system which requires the dialling of an additional digit
(most commonly digit "9"), a pause may be required for
accessing the external telephone line. The Pause key
may be used for providing the pause period of about 2
seconds waiting for this dial tone after the first digit has
been dialled. This will be stored in the Last Number
Redial memory and be automatically inserted in the
number when the 'REDIAL’ button is used.
2.11 Recall Facility
The NRX EVO 350 has a Recall facility which is
used to access network/PBX services. The Recall
facility can be configured for either ‘Earth Recall’ or
‘Timed Break Recall (TBR)’ using switch number 2
located in the switch compartment.
The TBR timing can be adjusted by the following
procedure.
Lift handset then enter:
[PROGRAM][REDIAL][n][PROGRAM] [RECALL]
NOTE: TBR Timing can be set by altering the value
of n. n=1 (100ms) n=2 (200ms) etc. up to 600ms
The telephone default setting is n=1 (TBR 100ms).
2.12 Last Number Redial
If you dial a number and find it is engaged or there is
no reply, replace the handset. The number will be
retained in the memory until you dial a different
number.
What to do
:
Lift the handset
Press the 'REDIAL’ button
PAUSE