2
Front Panel
Analog Input/Output Channel Monitoring
Each input/output channel has the following LED indicators:
Telephone Input/Output Channel Monitoring
The Telephone channel has the following LED
indicators:
Clip
Indicates clipping in the analogue domain for each input or output channel� The LED will illuminate at
+18�5dB�
Signal
The Signal LED will illuminate for each input or output channel when the signal reaches or exceeds the signal
threshold of -20dB�
48V (Input Channels Only)
Illuminates to in48V phantom power has been activated for the relevant input channel�
OH (Telephone Channels Only)
The Out OH LEDs will illuminate when the telephone is “off hook”� The In LEDs are not utilized in the BLU-
103�
Other Indicators
COM (Communications)
The COM LED indicates Ethernet link status and network/control traffic and has the following states:
OFF: Indicates that there is no network/control communication and that no Ethernet cable connection is
detected, or that the unit is still in the process of negotiating its IP address�
SOLID GREEN: Indicates that an Ethernet cable connection is detected and that the unit has established its IP
address�
SOLID YELLOW: Indicates that an Ethernet cable connection is detected, but an IP address cannot be
established in the BLU-103�
FLASHING YELLOW: Indicates that the device is communicating with another control device, either on the
network, serial, or control ports�
STAT (Status)
The STAT LED turns green when a valid design file is loaded and running. The STAT LED turns yellow when
the design is paused� The STAT LED turns red when the design is stopped�
ERR (Error)
The ERR LED is normally off� It turns red in the case of a critical or fatal error�
PWR (Power)
The PWR LED turns blue when the device is powered on� It blinks during locate operations (both when
pressing the locate button on the rear of the device and also when locating the device from within the
software)�
