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SR170 AC
RECEIVER
OPERATING INSTRUCTIONS
and trouble-shooting guide
LECTROSONICS, INC.
Rio Rancho, NM

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Summary of Contents for Lectrosonics SR170 AC

  • Page 1 SR170 AC RECEIVER OPERATING INSTRUCTIONS and trouble-shooting guide LECTROSONICS, INC. Rio Rancho, NM...
  • Page 2: Table Of Contents

    RETURNING UNITS FOR REPAIR ......SR170 AC SPECIFICATIONS AND FEATURES .... 8...
  • Page 3: Receiver Front Panel

    RECEIVER FRONT PANEL MODULATION - Indicates the modulation (audio level) of the incoming signal - see transmitter manual for proper adjustment of transmitter "MIC LEVEL" or "GAIN." The -20 lamp should flicker, or stay lit as you speak into the microphone. The 0dB lamp is a "peak" indicator showing that the audio gain in the transmitter is set too high.
  • Page 4: Receiver Rear Panel

    RECEIVER REAR PANEL ANTENNA terminal - A standard BNC connector compatible with the supplied A-185BNC telescoping antenna. 12 VDC INPUT - Connect the power supply here - the CH-12 AC adapter is supplied with the receiver for powering the unit from a 110V AC source. The receiver may also be powered from 12 volt DC sources using the correct plug (Switchcraft S-760 power plug);...
  • Page 5: System Setup And Operation

    SYSTEM SETUP AND OPERATION CONNECT POWER CORD - On your external power source, be sure the center pin is positive(+). ATTACH AND EXTEND THE ANTENNA CONNECT THE AUDIO CABLE SET FRONT PANEL SWITCH TO "ON." Check to see that the red POWER LED lights up. ADJUST TRANSMITTER "GAIN."...
  • Page 6: Antenna Use And Placement

    Lectrosonics transmitters radiate more power, and the receivers are more sensitive than any other on the market. This reduces dropouts to an insignificant level. If, however, you do encounter dropouts...
  • Page 7: Troubleshooting

    TROUBLESHOOTING Before going through the following chart, be sure that you have a good battery in the transmitter. It is important that you follow these steps in the sequence listed. SYMPTOM POSSIBLE CAUSE TRANSMITTER BATTERY LED OFF 1) External LED is turned off. Check internal slide switch.
  • Page 8: Service And Repair

    There are no adjustments inside that will make a malfunctioning unit start working. LECTROSONICS service department is equipped and staffed to quickly repair your equipment. In-warranty repairs are made at no charge in accordance with the terms of the warranty. Out of warranty repairs are charged at a modest flat rate plus parts and shipping.
  • Page 9: Sr170 Ac Specifications And Features

    SR170 AC SPECIFICATIONS AND FEATURES Operating frequencies: 150 to 216 MHz crystal controlled Sensitivity: 1.0uV for 20dB SINAD 2.0uV for 50dB S/N ratio Signal/noise ratio: 96dB flat; 100dB A-weighted Squelch quieting: greater than 100dB AM Rejection: -40 dB (10uV to 0.1 Volts) ±15kHz...
  • Page 10: Limited One Year Warranty

    This warranty applies only to items returned to us, shipping costs prepaid, within one year from the date of purchase. This warranty gives you specific legal rights. You may have additional legal rights which vary from state to state. LECTROSONICS, INC. 581 LASER ROAD RIO RANCHO, NM 87124 USA...

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