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iK81 / iK42
It is the responsibility of the user to ensure that dirt, liquids and vapour from theatrical smoke and fog machines is not ingested
by the amplifier. Damage so caused is not covered by the manufacturer's warranty.
AC Power Connection
The amplifier utilises a 32A Neutrik PowerCon™ type locking AC power connector. Use only an AC power cable with a correctly
terminated PowerCon™ type connector to make the connection to the mains power supply.
The amplifiers are designed to operate on 50/60 Hz AC power. The power supply sections automatically configure themselves
for either 115V or 230V nominal voltage at turn on. The amplifiers will operate over an extended range of supply voltages (please
refer to the technical specifications). The thresholds of these ranges are as follows; -
115V range: 75 - 138Vrms
230V range: 138 - 275Vrms
Note that whilst the amplifier will operate correctly at voltages indicated, the specified output power will only be achieved when
operating with the stated nominal voltages.
Once an amplifier has configured itself for a particular range it will not change range, even if the mains voltage varies wildly,
unless power is completely interrupted for several seconds or is cycled by the user.
During start-up the amplifier asses the mains environment, displaying one of the following messages if a problem is detected
with the quality of the incoming mains supply.
Problem and IKON LCD
screen Message
Mains too low
Mains too high
Mains unstable
When an amplifier is running normally the mains is continuously monitored to ensure that it remains within the initially selected
range. If the mains voltage is outside that range the amplifier will enter a protection mode and briefly display the message below.
When in this mode audio will be muted but communication will still be possible.
Fault: Mains out of range
While in a protection mode caused by an unstable mains supply the amplifier will continually monitor the mains and
automatically resume normal operation if it is assessed to be stable and within the initial range selected when the unit was first
powered up. While the mains remains out of range one of the messages above will be displayed
iK81 / iK42 User Guide V2.3
USER GUIDE
Description of the problem
During start-up the unit waits for the mains to settle within either the 115V or 230V ranges. If the
mains is taking a long time to settle and the voltage measured is below the 115V range this message
is displayed.
During start-up the unit waits for the mains to settle within either the 115V or 230V ranges. If the
mains is taking a long time to settle and the voltage measured is above the 230V range this message
is displayed.
During start-up the unit waits for the mains to settle within either the 115V or 230V ranges and
remain there for a settling time. If the mains is taking a long time to settle but the voltage measured
is currently in either the 115V or 230V ranges this message is displayed.
Amplifier was running but the measured mains voltage was outside the initial range.
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