T4 multi-frequency ifb transmitter instruction manual rio rancho, nm, usa www.Lectrosonics.Com fill in for your records: serial number: purchase date: featuring digital hybrid wireless ™ technology.
T4 lectrosonics, inc. 2.
Multi-frequency ifb transmitter rio rancho, nm 3 table of contents introduction .............................................................................................................................................................................................4 general technical description...
T4 lectrosonics, inc. 4 the t4 ifb transmitter is comprised of a number of functional subsystems, including audio input interface, dsp audio processor and pilot tone, frequency syn- thesizer, microcontroller, transmitter, antenna system and power supply. (see block diagram.) the t4 is designed to op...
Multi-frequency ifb transmitter rio rancho, nm 5 pilot tone the t4/r1a system uses an ultrasonic tone modula- tion of the carrier to operate the receiver squelch. This “pilot tone” consists of a 29.997 khz signal in the dsp and is mixed with the audio signal to the fm modulator. The pilot tone contr...
T4 lectrosonics, inc. 6 icon to indicate transmit (xmit) mode. The menu button is then used to navigate to the other function windows, see page..7? Indicates the channel (or oper- ating) frequency of the unit to the nearest 0.1 mhz (100 khz). The led display also indicates low input power by blinkin...
Multi-frequency ifb transmitter rio rancho, nm 7 t4 menu diagram.
T4 lectrosonics, inc. 8 t4 rear panel xlr jack a standard xlr female jack accepts a variety of input sources depending on the setting of the mode dip switch. Xlr pin functions can be changed to suit the source depending on the positions of the individual switches. For detailed information on the set...
Multi-frequency ifb transmitter rio rancho, nm 9 1) the t4 transmitter is shipped with pin 1 of the xlr input connector tied directly to ground. If a fl oating input is desired, a ground lift jumper is provided. This jumper is located inside the unit on the pc board near the rear panel xlr jack. If ...
T4 lectrosonics, inc. 10 accessories ch20 power supply for ifb base transmitters with locking lzr power jacks; 110 vac input, 12 vdc regulated output; 400 ma max. 21586 dc16a pigtail power cable, lzr to strip & tin sna600 collapsible dipole antenna that adjusts over a wide frequency range. Ideal for...
Multi-frequency ifb transmitter rio rancho, nm 11 troubleshooting symptom: possible cause: display dead 1) external power supply disconnected or inadequate. 2) the external dc power input is protected by an auto-reset polyfuse. Disconnect power and wait about 10 seconds for the fuse to reset. No tra...
T4 lectrosonics, inc. 12 frequency blocks and ranges the table below lists the factory designated frequency ranges available for the t4 ifb transmitter. Each t4 transmitter is built to cover a pre-selected range of frequencies (a “block”) as shown below. The transmitter will tune to any of 256 diffe...
Multi-frequency ifb transmitter rio rancho, nm 13 specifi cations operating frequencies (mhz): block 21 537.600 - 563.100 block 25 640.000 - 665.500 block 22 563.200 - 588.700 block 26 665.600 - 691.100 block 23 588.800 - 607.900 block 27 691.200 - 716.700 614.100 - 614.300 block 28 716.800 - 742.30...
T4 lectrosonics, inc. 14 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 the interconnect- ing cables and then go ...
Multi-frequency ifb transmitter rio rancho, nm 15.
November 8, 2006 581 laser road ne • rio rancho, nm 87124 usa • www.Lectrosonics.Com (505) 892-4501 • (800) 821-1121 • fax (505) 892-6243 • sales@lectrosonics.Com limited one year warranty the equipment is warranted for one year from date of purchase against defects in materials or workmanship provi...
