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Use only current government licenced type approved, multi-channel
radio mikes and radio transmitters of good quality but if noise or
broadcast radio interference is experienced, change for conventional
Mics and high screen leads.
12.5 INTERMITTENT OR LACK OF SIGNAL
Check that all mains and signal connectors are pushed firmly into their
sockets.
Check that Power Switch is ON, Gain control(s) and Master are turned
up enough, and Mute Switch is OFF. Remember that is 4 different
controls must be on to produce an output signal.
Many sure that any battery connectors are pinched firmly and evenly to
their batteries, the correct way around, are not be leaking and with no
battery warning light showing. (<7.5v)
Check that any jack leads/cables are good physically with good solder
connections and use a Meter/Cable Tester. Make sure jack probes are
straight and that the tip contacts are not mis-shapen in any way.
Check that XLR leads are wired correctly. See Specifications.
Make sure that connectors to your instruments fit firmly into their
sockets. If a socket is incorrectly fitted by being set in too deeply into a
guitar to make contact.
Check that mains supply is operating in chain of power supply with
earth connected at all points.
It is recommended that you use the best quality connectors such as
Neutrik, Deltron & Schurter/Rendar, Switchcraft, Horizon, ST
Professional & GH.
If EDB-2 has somehow become overheated, turn off, cool it down and
try turning on a little later to re-start checking batteries & IN signals.
12.6 PERSISTENT PROBLEMS
You should first work through the Troubleshooting pages BEFORE
contacting your dealer, a professional electronics technician or
Headway and an Authorised Service Centre where applicable. You
may solve the issue more quickly.
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