Digital code squelch dr175 compact receiver lectrosonics, inc. Rio rancho, nm operating instructions and trouble-shooting guide.
2 introduction thank you for selecting the lectrosonics system. The dr175 represents over 70 years of combined experience in the design of rf and audio devices and sets new standards for rf performance and flexibility. This receiver utilizes a “maximal ratio combining” technique, providing a very ef...
3 ratio diversity receiver rio rancho, nm – usa front panel controls and functions modulation indicators two (2) leds indicate the audio level (modulation) of the incoming signal, which are typically used for proper adjustment of the transmitter’s “mic level” or “gain”. The -20 led (green) lights du...
4 antenna use and placement there are two antennas included with this receiver. The a170 ac is a whip antenna that connects to either terminal on the rear panel of the dr175 receiver. Position the antennas so that they are not within 3 or 4 feet of large metal surfaces. If this is not possible, try ...
5 ratio diversity receiver rio rancho, nm – usa operating instructions 1) connect the power supply. 2) attach and place the antennas. 3) connect the audio cable. 4) set the front panel audio level control fully counter-clockwise and set the power switch to on. Check to see that the red power led lig...
6 troubleshooting before going through the following chart, be sure that you have a good battery in the transmitter and that the transmit- ter power led is indicating normally. Symptom possible cause no power led 1) receiver switch in “off” position 2) external 12 volt power disconnected 3) ch-12 ac...
7 ratio diversity receiver rio rancho, nm – usa specifications and features operating frequencies: 150 to 216mhz, crystal controlled sensitivity: -110dbm for 20db sinad (0.7uv) signal/noise ratio: 96db flat; 99db a-weighted squelch quieting: greater than 109db am rejection: below the noise at all in...
8 service and repair if your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equipment needs repair. Make sure you have followed the setup procedure and operating instructions. Check out the intercon- necting cords and then go through the trouble ...
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Limited one year warranty the equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping. This warr...
