When the switch is set to
TRIGGER, the A5500 goes into
standby mode and the front panel
status LEDs glow yellow. When
the connected device is turned on
the Status LEDs glow bright blue
If you set the MANUAL/TRIGGER
switch to Trigger, but don’t
connect the A5500 to another
device, the Status LEDS will be
bright Blue, but the amplifier will
not respond if you press the Power
button