Sigtronics Corporation Aviation Intercom Technical Information

Sigtronics Aviation Intercom Technical Information

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INSTALLATION, OPERATING, and MODIFICATION INSTRUCTIONS
Listed Alphabetically by Model Number

RES
	Model: RES (Out of Production) Remote Stereo Music Switcher for Single Seat Aircraft or Non-Sigtronics Intercoms. Installation and Operating Instructions pdf
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RES-2
	Model: RES-2 Remote Stereo Music Switcher for Single Seat Aircraft or Non-Sigtronics Intercoms. Installation and Operating Instructions pdf
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RES-400
	Model: RES-400 (Out of Production) Remote Stereo Music Switcher for SPA-400 Intercoms. Installation and Operating Instructions pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Model: RES-400 and RES-600 (Out of Production) Music Switcher low power music source modification; Monaural wiring instructions; Notes on music sources with floating speaker outputs. Low Power Music Source Modification pdf
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RES-401 / RES-601
	Models: RES-401 and RES-601 Remote Stereo Music Switcher for SPA-400 / SPA-600 Intercoms. Installation Instructions pdf
	Models: RES-401 and RES-601 Remote Stereo Music Switcher for SPA-400 / SPA-600 Intercoms. Operating Instructions pdf
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RMS-440 / RMS-640
	Models: RMS-440 and RMS-640 (Out of Production) Remote Stereo Music Switcher for SAS-440 / SAS-640 Intercoms. Installation Instructions pdf
	Models: RMS-440 and RMS-640 (Out of Production) Remote Stereo Music Switcher for SAS-440 / SAS-640 Intercoms. Operating Instructions pdf
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SAS-440 / SAS-640
	Models: SAS-440 and SAS-640 (Out of Production) Panel Mount Intercom with Auto Squelch and Pilot Isolate. Installation and Operating Instructions pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Models: SAS-440 and SAS-640 Diode Modification for Non Audio Panel, Single Radio installations. Figure 4 Installation Drawing Modification pdf
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SCI-4 / SCI-6
	Models: SCI-4 and SCI-6 Panel Mount Intercom with Dual Controls, Pilot Isolate, and Crew Isolate. Installation and Operating Instructions pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SCI Panel Template pdf
	Models: SPA-400 to SCI-4 Upgrading a SPA-400 intercom system overview. Upgrade Overview pdf
	Models: SPA-600 to SCI-6 Upgrading a SPA-600 intercom system overview. Upgrade Overview pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Model: SPA, SDB, SCI and Sport Intercoms For KMA-20 Audio Panels and ICOM A220 Radios. Radio Keyline Modification pdf
Figure 4 Installation Drawing. Modification for specified Audio Panels, Headset Jacks, and Radios.
Audio Panels	King KMA 24 Audio Panel pdf
Headset Jacks	U-174/U Jack pdf
Radios	Microair 760 Radio pdf
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SCI-S4 / SCI-S6
	Models: SCI-S4 and SCI-S6 Panel Mount Intercom with Dual Stereo Music Inputs, Pilot Isolate, and Crew Isolate. Installation Instructions pdf
	Models: SCI-S4 and SCI-S6 Panel Mount Intercom with Dual Stereo Music Inputs, Pilot Isolate, and Crew Isolate. Operating Instructions pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SCI Panel Template pdf
	Models: SPA-400 to SCI-S4 Upgrading a SPA-400 intercom system overview. Upgrade Overview pdf
	Models: SPA-600 to SCI-S6 Upgrading a SPA-600 intercom system overview. Upgrade Overview pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Model: SPA, SDB, SCI and Sport Intercoms For KMA-20 Audio Panels and ICOM A220 Radios. Radio Keyline Modification pdf
Figure 4 Installation Drawing. Modification for specified Audio Panels, Headset Jacks, and Radios.
Audio Panels	King KMA 24 Audio Panel pdf
Radios	Garmin GNC250/XL Radio pdf
	Terra TX760D Radio pdf
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SDB-K / SDB-KH (SPA-4Si / SPA-4SiH)
	Models: SDB-K and SDB-KH Stereo Panel Mount Intercom System for Aircraft with Dual Audio Panels. Installation and Operating Instructions pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SDB Panel Template pdf
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SDB-800
	Model: SDB-800 Panel Mount Intercom System for Aircraft with Dual Audio Panels. Installation and Operating Instructions pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SDB Panel Template pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Model: SPA, SDB, SCI and Sport Intercoms For KMA-20 Audio Panels and ICOM A220 Radios. Radio Keyline Modification pdf
	Model: SDB-800 (Current Production) Serial Numbers: 1151486 A and B to Current Panel Mount Intercom Transmit Sidetone Modification for Circuit Board 1528. Sidetone Modification pdf
	Model: SDB-800 (Out of Production) Serial Numbers: 1151004 A and B to 1151485 A and B Panel Mount Intercom Transmit Sidetone Modification for Circuit Board 1440. Sidetone Modification pdf
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SPA-4S / SPA-4SN
	Model: SPA-4S and SPA-4SN (Current Production) Panel Mount 4 Place Stereo Intercom. Standard and High Noise Versions. Installation Instructions pdf
	Model: SPA-4S and SPA-4SN (Current Production) Panel Mount 4 Place Stereo Intercom. Standard and High Noise Versions. Operating Instructions pdf
	Model: SPA-4S and SPA-4SN (Out of Production) Serial Numbers: 4603444 and lower. Panel Mount 4 Place Stereo Intercom. Standard and High Noise Versions. Installation Instructions pdf
	Model: SPA-4S and SPA-4SN (Out of Production) Serial Numbers: 4603444 and lower. Panel Mount 4 Place Stereo Intercom. Standard and High Noise Versions. Operating Instructions pdf
	Model: SPA-4SN Helpful Hints for Communicating in Unusually High Noise Environments. Helpful Hints pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SPA Panel Template pdf
Figure 4 Installation Drawing. Modification for specified audio panels, radios, and jacks.
Auxiliary Audio	SPA-4S Auxiliary Audio Input pdf
	SPA-4SN Auxiliary Audio Input pdf
Headset Jacks	U-174/U Jack pdf
Radios SPA-4S	Garmin GNC250/XL Radio pdf
	ICOM A3, A6, A22, and A24 Radio pdf
	ICOM A-200 and A-210 Radio pdf
	King KY 97A Radio pdf
	Microair 760 Radio pdf
	TERRA TMA 330D, TMA 340D, and TMA 350D Radio pdf
Radio SPA-4SN	Apollo SL-40 Radio pdf
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SPA-4Si / SPA-4SiH (SDB-K / SDB-KH)
	Models: SPA-4Si and SPA-4SiH Stereo Panel Mount Intercom System for Aircraft with Dual Audio Panels. Installation and Operating Instructions pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SPA Panel Template pdf
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SPA-400 / SPA-400N
	Model: SPA-400 Panel Mount Intercom, Standard 4 Place. Installation and Operating Instructions pdf
	Model: SPA-400N Panel Mount Intercom, 4 Place High Noise Version. Installation and Operating Instructions pdf
	Models: SPA-400 and SPA-400N Comm Radio Transmit Trouble-Shooting Guide. Comm Radio Transmit pdf
	Model: SPA-400N Helpful Hints for Communicating in Unusually High Noise Environments. Helpful Hints pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SPA Panel Template pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Model: SPA-400 (Current Production) It allows pilot and co-pilot to transmit and receive on the aircraft radio and intercom between themselves, while back passengers can have a separate conversation without interrupting the front two. Dual SPA Installation pdf
	Model: SPA, SDB, SCI and Sport Intercoms For KMA-20 Audio Panels and ICOM A220 Radios. Radio Keyline Modification pdf
	Model: SPA-400 (Current Production) Serial Numbers: 6069006 to Current Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1528. Sidetone Modification pdf
	Model: SPA-400 (Out of Production) Serial Numbers: 6053486 to 6069005 Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1440. Sidetone Modification pdf
	Model: SPA-400 (Out of Production) Serial Numbers: 61960 to 6053485 Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1092-4. Sidetone Modification pdf
	Model: SPA-400 (Out of Production) Serial Numbers: 60975 to 61959 Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1092-3. Sidetone Modification pdf
	Model: SPA-400 (Out of Production) Serial Numbers: 60500 to 60974 Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1092-2. Sidetone Modification pdf
	Model: SPA-400 (Out of Production) Serial Numbers: 60001 to 60499 Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1092. Sidetone Modification pdf
	Model: SPA-400 This modification is used when a Sigtronics SPA Intercom is connected to a radio or audio panel that has a low impedance headphone output (less than 100 ohms). ICS Load Modification pdf
	Model: SPA-400 Installation instructions for the use of Portable Push-To-Talk Switches with a Sigtronics Panel Mount Intercom System. SPA Intercom and Portable Push-To-Talk Switches pdf
	Model: SPA-400 and ST-400 Problem: The intercom stays hot or live all the time no matter what position the intercom squelch is set to. Most common with Terra radio equipment, King KY-92 radios, and a few others. External Mic Interrupt Modification pdf
	Model: SPA-400 Add pilot isolate to a SPA intercom system. Pilot Isolate Option pdf
	Model: SPA-400 and SPA-400N Music input options for Sigtronics SPA panel mount intercoms. Music Input pdf
Figure 4 Installation Drawing. Modification for specified Audio Panels, Headset Jacks, and Radios.
Audio Panels	King KA 134 Audio Panel pdf
	King KMA 20 Audio Panel pdf
	King KMA 24 Audio Panel pdf
Auxiliary Audio	Auxiliary Audio Input pdf
Headset Jacks	U-174/U Jack pdf
Radios	Apollo SL-40 Radio pdf
	Becker AR 3201 Radio pdf
	Becker AR 4201 and AR 6201 Radios pdf
	Com 120 Radio pdf
	Flightline FL-760 Radio pdf
	Funkwerk ATR833 Radio pdf
	Garmin GTR 225 Radio pdf
	Garmin GNC250/XL Radio pdf
	ICOM A-200 and A-210 Radios pdf
	ICOM A20 and A21 Radios pdf
	ICOM A3, A6, A15, A22, and A24 Radios pdf
	King KX 125 Radio pdf
	King KX 155 and KX 165 Radios pdf
	King KX 170B Radio pdf
	King KY 97A Radio pdf
	King KY 195B Radio pdf
	King KY 197A Radio pdf
	MGL V6 Radio pdf
	Microair 760 Radio pdf
	Narco COM 810 Radio pdf
	Narco COM 810+ Radio pdf
	Narco MK12D Radio pdf
	Sporty's SP-400 Radio pdf
	VAL Com 760 radio pdf
	VAL Com 2000 Radio pdf
	Yaesu FTA-550 Radio pdf
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SPA-600 / SPA-600N
	Model: SPA-600 Panel Mount Intercom, Standard 6 Place. Installation and Operating Instructions pdf
	Model: SPA-600N Panel Mount Intercom, 6 Place High Noise Version. Installation and Operating Instructions pdf
	Models: SPA-600 and SPA-600N Comm Radio Transmit Trouble-Shooting Guide Comm Radio Transmit pdf
	Model: SPA-600N Helpful Hints for Communicating in Unusually High Noise Environments. Helpful Hints pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SPA Panel Template pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Model: SPA-600 (Current Production) It allows pilot and co-pilot to transmit and receive on the aircraft radio and intercom between themselves, while back passengers can have a separate conversation without interrupting the front two. Dual SPA Installation pdf
	Model: SPA, SDB, SCI and Sport Intercoms For KMA-20 Audio Panels and ICOM A220 Radios. Radio Keyline Modification pdf
	Model: SPA-600 (Current Production) Serial Numbers: 1102528 to Current Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1528. Sidetone Modification pdf
	Model: SPA-600 (Out of Production) Serial Numbers: 1101839 to 1102527 Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1440. Sidetone Modification pdf
	Model: SPA-600 This modification is used when a Sigtronics SPA Intercom is connected to a radio or audio panel that has a low impedance headphone output (less than 100 ohms). ICS Load Modification pdf
	Model: SPA-600 Installation instructions for the use of Portable Push-To-Talk Switches with a Sigtronics Panel Mount Intercom System. SPA Intercom and Portable Push-To-Talk Switches pdf
	Model: SPA-600 and ST-600 Problem: The intercom stays hot or live all the time no matter what position the intercom squelch is set to. Most common with Terra radio equipment, King KY-92 radios, and a few others. External Mic Interrupt Modification pdf
	Model: SPA-600 Add pilot isolate to a SPA intercom system. Pilot Isolate Option pdf
	Model: SPA-600 and SPA-600N Music input options for Sigtronics SPA panel mount intercoms. Music Input pdf
Figure 4 Installation Drawing. Modification for specified audio panels, radios, and jacks.
Headset Jacks	SPA-600 U-174/U Jack pdf
	SPA-600N U-174/U Jack pdf
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SPE-2 / SPE-4
	Model: SPE-2 (Out of Production) Permanent Intercom, 2 Place. Installation and Operating Instructions pdf
	Model: SPE-4 (Out of Production) Permanent Intercom, 4 Place. Installation and Operating Instructions pdf
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SPO-20 / SPO-40
	Model: SPO-20 (Out of Production) Transcom Portable Intercom, 2 Place. Operating Instructions pdf
	Model: SPO-40 (Out of Production) Transcom Portable Intercom, 4 Place. Operating Instructions pdf
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SPO-22 / SPO-42 / SPO-62 / SPO-82 / SPO-102
	Models: SPO-22, SPO-42, SPO-62, SPO-82, and SPO-102 Transcom II Portable Battery Powered Intercom with Aux In and Out Jacks. Operating Instructions pdf
	Models: SPO-22N, SPO-42N, and SPO-62N Helpful Hints for Communicating in Unusually High Noise Environments. Helpful Hints pdf
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SPO-23 / SPO-43 / SPO-63
	Models: SPO-23, SPO-43, and SPO-63 Transcom III Portable Battery Powered Intercom with Aux In and Out Jacks. Operating Instructions pdf
	Models: SPO-23N, SPO-43N, and SPO-63N Helpful Hints for Communicating in Unusually High Noise Environments. Helpful Hints pdf
	Model: SPO-23, SPO-23N, SPO-43, SPO-43N, SPO-63 and SPO-63N Intercoms. Radio Receive Adjust pdf
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Sport 200
	Model: Sport 200 Panel Mount Intercom, 2 Place, High Noise. Installation and Operating Instructions pdf
	Model: Sport 200 Comm Radio Transmit Trouble-Shooting Guide. Comm Radio Transmit pdf
	Models: Sport 200 and Sport 200S Helpful Hints for Communicating in Unusually High Noise Environments. Helpful Hints pdf
	Models: SCI, SDB, SPA, and Sport 200 Panel Templates for intercoms. SPA Panel Template pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Model: SPA, SDB, SCI and Sport Intercoms For KMA-20 Audio Panels and ICOM A220 Radios. Radio Keyline Modification pdf
	Model: Sport 200 (Current Production) Serial Numbers: 6202993 to Current Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1528. Sidetone Modification pdf
	Model: Sport 200 (Out of Production) Serial Numbers: 6202355 to 6202992 Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1440. Sidetone Modification pdf
	Model: Sport 200 This modification is used when a Sigtronics Sport 200 Intercom is connected to a radio or audio panel that has a low impedance headphone output (less than 100 ohms). ICS Load Modification pdf
Figure 4 Installation Drawing. Modification for specified audio panels, radios, and jacks.
Audio Panels	King KMA 24 Audio Panel pdf
Headset Jacks	U-174/U Jack pdf
Radios	Apollo SL-40 Radio pdf
	Becker AR 3201 Radio pdf
	Becker AR 4201 and 6201 Radios pdf
	Filser Electronic ATR 500 Radio pdf
	Flightline FL-760 Radio pdf
	Garmin GTR 200 Radio pdf
	ICOM A3, A6, A14, A22, and A24 Radios pdf
	ICOM A4 Radio pdf
	ICOM A20 and A21 Radios pdf
	ICOM A23 and A5 Radios pdf
	ICOM A-200 and A-210 Radios pdf
	King KX 99 Radio pdf
	King KX 155 and KX 165 Radios pdf
	King KX 175B Radio pdf
	King KY 197A Radio pdf
	Microair 760 Radio pdf
	Sporty's SP-200 Radio pdf
	Sporty's SP-400 Radio pdf
	TRIG TY 91 Radio pdf
	Vertex Standard VXA-300 Radio pdf
	XCOM VHF760 Radio pdf
	Yaesu FTA-750 Radio pdf
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Sport 200 S
	Model: Sport 200 S (Current Production) Panel Mount Intercom, 2 Place, Stereo, High Noise. Installation Instructions pdf
	Model: Sport 200 S (Current Production) Panel Mount Intercom, 2 Place, Stereo, High Noise. Operating Instructions pdf
	Model: Sport 200 S (Out of Production) Serial Numbers: 4801700 and lower Panel Mount Intercom, 2 Place, Stereo, High Noise. Installation Instructions pdf
	Model: Sport 200 S (Out of Production) Serial Numbers: 4801700 and lower Panel Mount Intercom, 2 Place, Stereo, High Noise. Operating Instructions pdf
	Models: Sport 200 and Sport 200 S Helpful Hints for Communicating in Unusually High Noise Environments. Helpful Hints pdf
	Models: SCI, SDB, SPA, and Sport 200 S Panel Templates for intercoms. SPA Panel Template pdf
Figure 4 Installation Drawing. Modification for specified audio panels, radios, and jacks.
Auxiliary Audio	Auxiliary Audio Input pdf
Radios	Apollo SL-30 and SL-40 Radios pdf
	Becker AR 3201 Radio pdf
	Becker AR 4201 Radio pdf
	Filser Electronic ATR 500 Radio pdf
	Filser Electronic ATR 600 Radio pdf
	Flightline FL-760 Radio pdf
	Funkwerk ATR 833 Radio pdf
	ICOM A3, A6, A22, and A24 Radios pdf
	ICOM A4 Radio pdf
	ICOM A23 and A5 Radios pdf
	ICOM A-200 and A-210 Radios pdf
	King KX 125 Radio pdf
	King KY 97A Radio pdf
	King KY 197A Radio pdf
	KRT 2 and KRT 2A Radios pdf
	MGL V10 Radio pdf
	Microair 760 Radio pdf
	Sporty's SP-200 Radio pdf
	Vertex Standard VXA-300 and VXA-710 Radios pdf
	XCOM VHF760 Radio pdf
	XCOM VHF760 Radio and Auxiliary Audio Input pdf
	Yaesu FTA-550 Radio pdf
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SRE-2 / SRE-4
	Model: SRE-2 (Out of Production) Remote Mounted Intercom, 2 Place. Installation and Operating Instructions pdf
	Model: SRE-4 (Out of Production) Remote Mounted Intercom, 4 Place. Installation and Operating Instructions pdf
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ST-400 / RES-400
	Model: ST-400 / RES-400 (Out of Production) Panel Mount Intercom, Standard 4 Place with Remote Stereo Music Switcher. Manufactured Before 10/1995 Installation and Operating Instructions pdf
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ST-400 / ST-600
	Model: ST-400 / ST-600 Stereocom Panel Mount Intercom, Standard 4 and 6 Place with Remote Amplified Stereo Music Switcher. Installation Instructions pdf
	Model: ST-400 / ST-600 Stereocom Panel Mount Intercom, Standard 4 and 6 Place with Remote Amplified Stereo Music Switcher. Operating Instructions pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Model: ST-400 and ST-600 (Current Production) It allows pilot and co-pilot to transmit and receive on the aircraft radio, listen to music, and intercom between themselves, while back passengers can have a separate conversation and music without interrupting the front two. Dual ST Installation pdf
	Model: ST-400 and ST-600 (Out of Production) Serial Numbers: RES-400 S/N 1002922 and lower and RES-600 S/N 1050604 and lower Older ST-400 / ST-600 with the RES-400 or RES-600 stereo music switchers manufactured before 10/1995. Older ST-400 / ST-600 Units and Four Wire Speaker Output Music Systems pdf
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ST-440 / ST-640
	Model: ST-440 / ST-640 (Out of Production) Panel Mount Intercom with AutoSquelch, Pilot Isolate, and Remote Stereo Music Switcher, 4 and 6 Place. Installation Instructions pdf
	Model: ST-440 / ST-640 (Out of Production) Panel Mount Intercom with AutoSquelch, Pilot Isolate, and Remote Stereo Music Switcher, 4 and 6 Place. Operating Instructions pdf
Modification Instructions. For specified Intercoms, and by Intercom Serial Numbers (if required).
	Models: ST-440 and ST-640 Diode Modification for Non Audio Panel, Single Radio installations. Figure 4 Installation Drawing Modification pdf
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