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Model - LOOP - FSM 

User Manual 

Audio Frequency Induction Loop Field Strength Meter 

Содержание Loop-FSM

Страница 1: ...Model LOOP FSM User Manual Audio Frequency Induction Loop Field Strength Meter ...

Страница 2: ...ion 0 1dB resolution for levels over 32dB Displayed resolution 0 1 dB Detection Type True RMS on all features Sensor Pickup Coil Direction of Sensitivity Length wise of meter s longer dimension and Parallel to meter face Position noted on Product Calibration Calibrated at 1 000 Hz sine to read 0 dB at 5 03 mG Frequency Response Flat 1dB from 50 Hz to 10 000 Hz A Weighted Class 2 meter specified in...

Страница 3: ...p your own adapter use the following information 1 8 in TRS connector XLR female connector Tip Pin 2 Ring Pin 3 Sleeve Pin 1 3 Meter Operation Basics Turning the meter ON and Off On Press and hold button A until the screen lights Off Press and continue to hold button A until the Powering Down process is finished and the screen goes dark Selecting the meter mode When you press Button A it first dis...

Страница 4: ...k noise signal Cont Record the RMS level readings for each of the frequencies As in method I if the level does not vary by more than 3dB the sys tem as installed will meet the IEC specification This method was requested by the field engineer so they could run the test with one instrument without continually adjusting the frequency source It also makes it easy to conduct the test in more than one l...

Страница 5: ...o set the field strength to an average of 12dBA as it will constantly vary based on the program used to set up the system We will use the PEAK read ing to confirm that both our design and equipment meet the IEC specification Pressing button B resets the PEAK reading How to test then adjust the loop system level Once the hearing loop system has been installed play some bandwidth limited 100Hz to 5K...

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