Console Installation
24
Configuring Dispatch Consoles
The console has several jumper selectable configuration options.
shows the
various options and the normal factory setting. See
on page 103 for the location of these jumpers.
Table 2: Model 4010 Control Board Jumpers and Switches
Jumper
Options
Notes
JP1
Recorder Output & VU meter
The audio recorder output and the VU meter
include the console microphone transmit audio and
its Select receive audio. Place the jumper in
position B to add Unselect receive audio as well.
A*
Unselect audio not sent to Recorder/VU
B
Unselect audio mixed with Select audio to Recorder
Output and VU
JP2
Auxiliary Audio to Select Audio
The transmitted audio from the auxiliary audio
input may be monitored with the Select speaker.
For example, when an external encoder is used, the
operator can hear the encoder tones as they are
being transmitted.
A*
Auxiliary audio mixed with Select audio on Select
speaker
B
Auxiliary audio disabled
JP3
Unselect Speaker / Headset & Handset Audio
Determines where Unselect audio is heard. You
might want to change this if, for example, you want
the Unselect speaker to turn off when the software
detects a handset lifted from a cradle or a headset
plugged into a jack.
A*
Unselect audio always on unselect speaker
B
Unselect audio switch under software control
C
Unselect audio always on headset/handset
JP4
Headset/Handset Unselect Monitor
Occasionally, it is desirable to monitor both Select
and Unselect audio on the earpiece of the headset
or handset. Jumper JP4 may be used to enable the
Unselect audio monitoring.
A*
Unselect audio not heard at headset/handset
B
Unselect audio heard at headset/handset
JP5
Auxiliary Audio input impedance
If an external encoder is used, use JP5 to set the
input impedance of the Model 4010 to match the
output impedance of the encoder.
A*
Auxiliary Audio 600
Ω
impedance
B
Auxiliary Audio 10 k
Ω
impedance
JP6
Select Speaker / Headset & Handset audio
Determines where Select audio is heard. You might
want to change this. For example if you want the
Select speaker to turn off when the software detects
a handset lifted from a cradle or a headset plugged
into a jack.
A
Select audio always on select speaker
B*
Select audio switch under software control
C
Select audio always on headset/handset
JP7
Tone generator input filter
The output of the tone generator has an additional
high frequency filter that can be inserted. This
filter is not required, in which case the jumper
should be left in position A.
A*
No tone filter
B
Tone filter connected
JP8
Reserved for use with the TRHI. See
Telephone/Radio Headset Interface
JP9
Not used.
JP10
Operator Paging/Alert/Warning Audio
Operator audio refers to the paging and alert/
warning tones generated by the M4010. These
tones can be irritating when monitored by the
dispatcher, depending on where it is heard and how
loud it is. The level is adjusted by R104.
A*
Operator Audio to Select Speaker
B
Operator Audio to Unselect Speaker