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Table of Contents
Related Manuals for LY International Electronics EM-4
Summary of Contents for LY International Electronics EM-4
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Page 3: Table Of Contents
Table of Contents Table of Contents Introductions ----------------------------------------- 2 Features -----------------------------------------------2 Controls------------------------------------------------ 3 Connections -----------------------------------------4 Operations------------------------------------------- -4 Block Diagrams -------------------------------------- 5 Specifications -------------------------------------- -6... -
Page 4: Introductions
Introductions Welcome Congratulation for the purchasing EM-4, a four-zone desktop paging micro-phone.The EM-4 is designed to provide a big impact in sound reproduction and to produce the best and highest quality audio at an affordable price. We wish you great enjoyment and satisfaction when using your amplier, whether you are an installation, or reinforcement engineer. -
Page 5: Controls
Controls Controls FRONT PANEL Indicators(power,clip and signal) Gooseneck microphone input jack All zone selector Individual zone selector Pre-announcement chime Announcement (talk) [ Figure 1.1 Front panel ] Rear Panel Locking switch RJ45 for power ,control and audio signal Output level control [ Figure 1.2 Rear panel ]... -
Page 6: Connections
Connections/Operations Connections EM-4 should be connected to EA-8148, EA-8224, EA-8412, DA-480Z ,DA-650Z ,DA-480MZ, DA-650MZ or EF-804 mixer amplier for proper working. RJ45 PIN assign is same as follow. 1.+ 15 Volts 2.Ground 3.- 15 Volts 4.Data - 5.Data + 6.Ground 7.Signal +... -
Page 7: Block Diagrams
Block diagram Block diagram... -
Page 8: Specifications
Specifications Specifications Performance -60dB ± 3dB / 600Ω Balanced Input Sensitivity Frequency Response 45Hz ~15kHz / ±1dB Signal to Noise Ratio Less than 90dB Rated Output Level 0dB / 600Ω Balanced Less than 0.1% Total Harmonic Distortion(THD) at 1kHz rated output 0°~40°C at 95% humidity Operating Temperature/Humidity at non-condensing Construction...
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