UM195B
UHF BELT-PACK TRANSMITTER
LECTROSONICS, INC.
Rio Rancho, NM
OPERATING INSTRUCTIONS
and trouble-shooting guide
Страница 1: ...UM1 95B UHF BELT PACK TRANSMITTER LECTROSONICS INC Rio Rancho NM OPERATING INSTRUCTIONS and trouble shooting guide...
Страница 2: ...the input connector to power electret mics with either positive or negative bias Level indicating LEDs are provided on the control panel to make level settings quick and accurate without having to vie...
Страница 3: ...ndor are fast enough to keep high frequency transient distortion at a low level and the low frequency compandor uses slower time constants reducing low frequency distortion to well below that of a con...
Страница 4: ...ng use the LED brightness will also decrease When the LED is barely visible there will still be 30 minutes or more operating time remaining Since the internal circuits are all tightly regulated and th...
Страница 5: ...with the 3dB point adjustable from 35Hz to 150Hz The actual roll off frequency will vary somewhat according to the low frequency response of the mic capsule being used The low frequency roll off contr...
Страница 6: ...rtment press outward on the cover door in the direction of the arrow as shown in the drawing Only firm sliding pressure is needed to open and close the battery door Swing the door open and take note o...
Страница 7: ...G NOTES The AUDIO LEVEL control knob should not be used to control the volume of your sound system or recorder levels This gain adjustment matches the transmitter gain with the user s voice level and...
Страница 8: ...ructions Caution Do not allow the shield wire to touch any metal part of the connector shell The shield wire is the antenna on VHF models and poor operating range will result Shield Wire Crimp Tabs Ru...
Страница 9: ...them sensitive to RF which can cause problems with the microphone transmitter compatibility If the electret microphone is not designed properly for use with wireless transmitters it may be necessary t...
Страница 10: ...The normal hookup for line level signals is Signal Hot to pin 5 Signal Gnd to pin 1 pin 4 jumped to pin 1 and pin 3 jumped to pin 1 This gives a 40dB attenuator that allows signal levels much higher t...
Страница 11: ...F 1 Transmitter mic gain set too low 2 Defective microphone or cord NO SOUND OR LOW SOUND LEVEL RECEIVER MOD LEVEL LEDs ARE ON 1 Receiver output level set too low 2 Receiver output is disconnected cab...
Страница 12: ...l LEDs indicate modulation level 20dB below limiting and at the onset of limiting Controls 2 position OFF ON slide switch Front panel knob adjusts audio gain Audio Input Jack Switchcraft 5 pin locking...
Страница 13: ...ere is a 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...
Страница 14: ...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...
