65
Troubleshooting
Attention: Always use shielded Cat 5e (or higher) network cables for reliable system operation. Ensure the right
cables are used and installed correctly before referencing the troubleshooting table.
The light rings on the microphone
are constantly flashing after the
system is powered on.
• Check that cables are shielded Cat 5e (or higher)
• Ensure that all the connectors on all the cables are firmly inserted in the sockets
on the units
• Check that the feed cables from the microphone units are properly inserted into
the 'DCS-LAN' socket on the DIS-CCU.
The 'Del. Off' button on the
Chairman Unit does not switch off
the Delegate Units
• Check to make sure the unit is configured as a Chairman Unit
• Check to make sure the other units are not configured as Chairman or Interpreter
Units. (See the Program the User Type section.)
The audio from an Interpreter Unit
cannot be heard in the headphone
of Delegate or Chairman Units
• Check to make sure the unit is configured as an Interpreter Unit. (See the
Program the User Type section.)
• Check the headphone volume control on the units
• Check the channel selection on the microphone units
• Check that the headphone plug is firmly inserted in the headphone jack
• Check that the light ring on the microphone on the Interpreter Unit is illuminated
and that the gooseneck microphone is firmly inserted in the socket
There is no audio coming from the
built-in loudspeakers
• Check the 'Loudspeaker Volume' setting using either the interactive menu on the
CCU or using the browser control.
• Check that the loudspeaker is set to sufficient volume. (
DIS-CCU browser > Audio >
Loudspeaker Control.)
• Check that the floor mix is assigned to loudspeaker (DIS-CCU browser > Audio >
Input Control > Loudspeaker
• Check that the seats are selected in 'Group A' (DIS-CCU browser > Audio >
Group Setup). 'Group A' is always used as the source for the floor mix. If a unit is
not selected in 'Group A', the audio from the unit will not be heard in the built-in
loudspeakers.
A microphone cannot be turned
'On'
• Check the cables. All cabling for DIS equipment must be Cat 5e or higher with
shielded RJ45 cables.
• Check the settings
Max. Delegate Speaker and Max. Total Speakers to make sure there
is room for another microphone to turn on.
• Check the Operation Mode to make sure the mode allows participants to turn on
their own microphones.
The DIS-CCU browser application
will not open on a PC
• Using the interactive menu on the CCU, check the IP address:
LAN setup >
Acquire IP address. Use this IP address using the browser
• Verify that the CCU and the PC are connected to the same network
• Check the LAN cable connections
The DIS-CCU browser application
will not open on a tablet or laptop
• Using the interactive menu on the CCU, check the IP address:
LAN setup >
Acquire IP address. Use this IP address using the browser
• Verify that the tablet or laptop is connected to the proper wireless access point
• Check that the DIS-CCU is connected to the same subnet as the wireless access
point
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