Mackie - UP4000

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Contents

The STAND BY terminal is used to turn on the amplifier with a remote switch Note Standby mode must first be activated by moving a jumper Jl on the input board standby mode is disabled by default See Figure 1 on back page When the POWER switch is turned on the amplifier goes into standby mode In this state the amplifier is on but signal is not allowed to pass Shorting the STAND BY terminal to the GND terminal with an external switch causes the amplifier to become fully operational The STANDBY GND terminal on the COMMANDS terminal strip is the common connection point for STAND BY The OVERL 300mA terminal is active whenever the amplifier s overload protection circuit is activated This provides 18 VDC with a maximum output capacity of 3 ...