Alto AU-800P Series, Service Manual

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HM-58, Condenser microphone
Preset impedance: 700ohm;
Freq. response: 200-8KHz;
Sensitivity: -65dB at 1KHz;
Directional: Uni-directional;
Weight: 54g (0.12Ib)
Main features:
-AU-800R, PLL UHF Diversity Receiver,
-Friendly interface of front panel LCD status display;
-Auto Scan function for easy and convenient operation;
-Switching diversity control to receive the RF signal;
-Three output level versions;
-Squelch control;
-AU-800H/800P transmitters,
-Soft touch painting for comfortable use;
-Rechargeable battery design;
-Three RF output power versions;
-Mute function;
-Lock function to avoid the misaction during the live applications;
-Common features,
-PLL synthesized design;
-Consistent operating frequencies to comply with the EMC regulations;
-Up to 12x12, total 144 channel frequency presets;
-Manufactured under ISO9000:2000, ISO/TS16949:2002 quality management system;
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