User manual

268
Specifications
Reference-
measurement
range
Mid
•
Input / Output Interfaces
Audio Inputs XLR balanced •
Input impedance = 200 kOhm »
Phantom power: +48 VDC switchable with maxi- »
mum 10 mA supply current in accordance with
IEC 61938
Automated sensor detection for NTi Audio’s ASD »
measurement microphones and pre-amplifier
MA220
RCA unbalanced with input impedance >30 kOhm •
Built-in condenser microphone for polarity testing,
•
delay measurements and voice note recording
Audio
Outputs
Built-in speaker •
Headphone connector
•
3.5 mm Minijack
»
mono monitor wired to both channels of stereo »
jack
Linear output signal over a measurement range »
of 57 dB in SLMeter measurement function
USB Inter-
face
USB mini connector for data transfer to PC, XL2
Projector PRO and/or charging of Li-Po battery
Digital I/O Connection interface to accessories
XL2 Input Keypad •
Limit Light •
Stack Light •
Digital I/O Adapter PCB •
TOSLink 24 bit linear PCM audio signal output
(prepared for later firmware extension)