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Sigtronics SPCC-2, Operating Instructions Manual

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3

FIGURE 1

Summary of Contents for SPCC-2

Page 1: ...t Ave D San Dimas CA 91773 909 305 9399 Communications Controller A Portable Dual Audio Panel with VOX Intercom Model SPCC 2 Sigtronics Portable Communication Controller Operating Instructions Made in U S A Add Dual Radio Communications Capability to your Mission ...

Page 2: ...HIGHLIGHTS 2 APPLICATIONS 2 CONNECTION DRAWING FIGURE 1 3 CONTROL FUNCTIONS 4 INSTALLATION 6 INITIAL SYSTEM CHECK OUT 8 SYSTEM OPERATION 10 TRANSMIT MICROPHONE GAIN ADJUSTMENTS 11 FM RADIO INTERFACE CABLE WIRING 13 SPECIFICATIONS 15 WARRANTY 15 ...

Page 3: ... these are actually AM radios however they can be used Dual Audio Panel capability allows each headset position to select which radios to transmit and receive on independent of the other headset Each headset position has dual volume controls one for radio reception and the other for their intercom volume level Voice Activated Intercom feature allows hands free communication between headsets connec...

Page 4: ...al aviation headsets and portable push to talk switches The unit can also be wired into permanently installed PTT switches Helicopter headsets will also work with the unit if headset plug adapters are used APPLICATIONS Airborne Law Enforcement Small police departments to large organizations like the FBI Civil Air Patrol Coast Guard Air search and rescue operations Medevac Helicopters Medical emerg...

Page 5: ...3 FIGURE 1 ...

Page 6: ...F AUTO Receive Select Used to select which radio is heard In BOTH position you hear both aircraft and FM radios In OFF position you do not hear either radio In AUTO position only the radio selected by the XMIT SELECT switch is heard AUX OFF Auxiliary Select Turns the auxiliary input source on or off REC VOL Receive Volume A general control used to set the volume level of the aircraft radio s FM ra...

Page 7: ...5 NOTES ...

Page 8: ...of the cable will be a five pin connector to plug into the jack on the top of the SPCC On the other end will be whatever is required by your FM radio Since virtually any radio can be used and there is little standardization among manufacturers no one cable will work for all radio transceivers Therefore the FM radio interface cable will have to be fabricated for your particular radio This cable can...

Page 9: ...ale jack If you already have permanently wired push to talk switches in the aircraft and wish to use them with the SPCC instead of the portable type then wiring modifications will have to be made to the aircraft Again your avionics technician should be able to do this for you 6 Headset Hookup All standard general aviation headsets are compatible with the SPCC unit Helicopter type headsets can also...

Page 10: ...own counterclockwise B Turn both intercom volume controls to the 9 o clock position and both squelch controls all the way up clockwise Notice the intercom is now continually activated and you should be able to talk between headsets C To adjust the intercom squelch controls for voice activated operation VOX it is helpful to have some background noise present It may also be necessary to turn up the ...

Page 11: ...ring either radio iii BOTH position permits you to hear both the aircraft radio s and the FM radio at the same time 4 The AUXliary audio source is selected by the AUX OFF switch In the AUX position you can hear it and in the OFF position you cannot 5 Receive Volume Controls REC VOL are general volume controls meant to provide overall listening level for all three radios simultaneously A C FM and A...

Page 12: ...he other side transmits The non transmitting side can monitor the transmissions of the other side by simply selecting the same radio on his side of the SPCC Of course when the PTT switch is released stop transmitting all functions return to normal instantly and automatically Simultaneous Transmit is the most attractive and powerful feature of the SPCC Both pilot and observer can transmit at the sa...

Page 13: ...To do this you will need to transmit and receive on the FM radio to a remote station Arrange to have someone nearby with a radio compatible to the FM radio you are using with the SPCC Then Step 1 Set the ON BYPASS switch to the BYPASS position and connect the SPCC up to power as normal Plug in the observer s PTT switch and headset Do not connect the FM radio to the SPCC at this time It is not nece...

Page 14: ...hes are not needed for this adjustment On the pilot s side of the SPCC set the XMIT SELECT switch to the A C position the AUTO OFF BOTH switch to AUTO and the AUX OFF switch to OFF Step 2 Put on the pilot s headset Transmit and receive to your nearby station using the pilot s PTT switch and headset as described in the Initial System Check Out section on page 8 Verify good transmission and receptio...

Page 15: ...onsult the radio manual or manufacturer for the connector s used and pin assignments for your particular FM radio Also Sigtronics has extensive radio interface experience and can assist in any question you might have concerning this or any other aspect of the SPCC Of course Sigtronics can build a FM interface cable for you to your specifications if desired Figure 3 shows the most common of such ca...

Page 16: ...14 FIGURE 3 FIGURE 4 FIGURE 5 SPCC SPECIFICATIONS ...

Page 17: ...ly handled The complete unit must be returned to our factory transportation charges prepaid We reserve the right to decline responsibility where repairs or replacements have been made or attempted by others No other guarantee written or verbal on our products is authorized by us Repairs required due to abuse misuse damage or normal service beyond the warranty period will be subject to normal servi...

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