Getting to Know the ISA110 On
Applies power to the unit.Turn on the ISA110 before powering up devices to which the outputs are connected.
XLR (Audio) Inputs and Outputs
All 3-pin XLR audio connectors (Output, Mic/Line Inputs) are wired as follows: Pin 1 Screen/Chassis Pin 2 Audio 0° Pin 3 Audio 180°
O/L LED
This LED illuminates when the peak signal level reaches or exceeds +20dB, or when the peak signal level reaches 6dB below clipping.The signal is monitored after the EQ stage. Occasional short-duration peaks which may cause the LED to blink will not normally cause audible distortion, but if the LED is lit constantly, the level in the appropriate section of the module should be reduced to prevent overloading.
Insert Send and Return
1/4� Jack wired as Tip Ring Sleeve follows: Audio 0° Audio 180° Screen/Chassis
Mic IP & Line IP
Either of these inputs may be used as the main input to the ISA110.
Insert Return
This is used as the insert input point after the Mic Pre and before EQ.
Input Stage
Insert Send
This is used as the insert output point after the Mic Pre and before EQ.
Output
This is a balanced output after the EQ.
Two input options are provided to give compatibility with Mic or Line sources.
Mic
Mic input sensitivity is switched from -60dB to 0dB in 6dB steps. Phantom power is available on the rear panel XLR for condenser mics when +48V front panel switch is pressed.
Line
A Line input is available on XLR, with a switched gain control giving a range of +/-18dB in 6dBsteps.
Trim
The TRIM control provides additional variable gain of 0 to 10dB. 4
