Digital Code Squelch
H175DC
Plug-On Transmitter
LECTROSONICS, INC.
Rio Rancho, NM
OPERATING INSTRUCTIONS
and trouble-shooting guide
Page 1: ...Digital Code Squelch H175DC Plug On Transmitter LECTROSONICS INC Rio Rancho NM OPERATING INSTRUCTIONS and trouble shooting guide...
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Page 3: ...he rugged dependability of the H175DC Superior mechanical design and construction mean years of trouble free use Only the H175DC transmitter is covered in this manual A matched transmitter receiver co...
Page 4: ...ranges of input signal can be transmitted to the receiver without overload or noise A complementary system in the receiver recovers the original dynamics of the signal for full audio quality Compressi...
Page 5: ...ision battery test circuit that continuously monitors battery voltage The LED is at full brightness with a new 9 Volt alkaline As the battery voltage drops during use the LED brightness will also decr...
Page 6: ...nob turned two turns counter clockwise Click b Turn the collar two turns counter clockwise to extend the locking tab c Press the mic onto the XLR connector until you hear a click The click indicates t...
Page 7: ...apparent range if the modulation level is too low It may sound as if you are getting dropouts What is actually happening is that you are hitting your noise floor because the S N ratio has been reduce...
Page 8: ...12 to 14 hours of operation SWING OPEN RELEASE DOOR OBSERVE POLARITY To open the battery compartment press outward on the cover door in the direction of the arrow as shown in the drawing Only slight...
Page 9: ...1 Receiver audio is muted Refer to receiver manual 2 Receiver audio output is disconnected or cable is defective or mis wired 3 Sound system or recorder input is turned down DISTORTED SOUND 1 Transmit...
Page 10: ...as Level Nominal 2mV to 300mV before compression Impedance 22kOhms compatiblewithallLo Zmicrophones Input compressor Softcompressor 30dBrangeallows3Voltmax input Gain control range 43dB semi logrotary...
Page 11: ...charge for an exact quotation We will be happy to quote approximate charges by phone for out of warranty repairs RETURNING UNITS FOR REPAIR You will save yourself time and trouble if you will follow t...
Page 12: ...rosonics Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liab...
