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Sigtronics UT-12D, Installation And Operating Instructions Manual, Page: 6 / 13

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Sigtronics UT-12D Installation And Operating Instructions Manual Download Page 6

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RADIO 2

VOLUME

SQUELCH

R

TALK

LISTEN

RADIO 1

RADIO 2

AUTO

BOTH

UltraSound

RADIO

INTERCOM

FIGURE 5

123.00

RADIO 1

P3

J3

J2

P2

SPEAKER HI 

(J2-2) VIOLET 

NOTE 1

SPEAKER LO 

(J2-3) VIOLET 

NOTE 1

PTT HI 

(J2-5) WHITE 

NOTE 2

MIC LO 

(J2-4) BLACK

MIC HI 

(J2-1) BROWN

PTT LO 

(J2-6) WHITE 

NOTE 2

SPEAKER HI 

(J3-2) VIOLET 

NOTE 1

SPEAKER LO 

(J3-3) VIOLET 

NOTE 1

PTT HI 

(J3-5) WHITE 

NOTE 2

MIC LO 

(J3-4) BLACK

MIC HI 

(J3-1) BROWN

PTT LO 

(J3-6) WHITE 

NOTE 2

INTERCOM UNIT

J1

P1

(J1-7) RED

(J1-12) GREEN

+11 to +16

VOLTS DC

FUSE

(1 AMP)

CHASSIS

GROUND

(J1-4) BLACK

(J1-3) BLUE

(J1-10) WHITE / BLUE

(J1-11) WHITE / ORANGE

(J1-9) YELLOW

(J1-8) WHITE / BROWN

A

B

J4

P4

(J4-9) BLACK

C

(J1-2) WHITE / RED

(J1-1) WHITE / BLACK

RED

WHITE

GREEN

BLACK

A

TO

B

TO

DRIVER’S AUXILIARY

HEADSET JACK

TIP   GREEN

BARREL   BLACK

RING   RED

(J1-6) WHITE / GREEN 

(J1-5) ORANGE

B

TO

BLACK

WHITE

DRIVER

PTT SWITCH

BLACK

WHITE

6 Conductor

Hook-up Wire

DRIVER

HEADSET JACK

TIP   GREEN

BARREL   BLACK

GREEN

BLACK

RING   RED

RED

A

TO

B

TO

6 Conductor

Hook-up Wire

B

TO

BLACK

WHITE

CREW #1

PTT SWITCH

BLACK

WHITE

6 Conductor

Hook-up Wire

CREW #1

HEADSET JACK

TIP   GREEN

BARREL   BLACK

GREEN

BLACK

RING   RED

RED

A

TO

B

TO

6 Conductor

Hook-up Wire

6 Conductor

Hook-up Wire

B

TO

BLACK

WHITE

PASSENGER

PTT SWITCH

BLACK

WHITE

6 Conductor

Hook-up Wire

PASSENGER

HEADSET JACK

GREEN   TIP
BLACK   BARREL

GREEN
BLACK

RED   RING

RED

A

TO

B

TO

6 Conductor

Hook-up Wire

(J4-1) TAN

CREW #3

HEADSET JACK

CREW #5  HEADSET JACK – 

(J4-3) TAN

CREW #6  HEADSET JACK – 

(J4-4) TAN

CREW #7  HEADSET JACK – 

(J4-5) TAN

CREW #8  HEADSET JACK – 

(J4-6) TAN

CREW #9  HEADSET JACK – 

(J4-7) TAN

CREW #10  HEADSET JACK – 

(J4-8) TAN

GREEN  TIP
BLACK  BARREL

GREEN
BLACK

RED  RING

RED

A

TO

C

TO

(J4-2) TAN

CREW #4

HEADSET JACK

BLUE  TIP
BROWN  BARREL

BLUE
BROWN

WHITE  RING

WHITE

A

TO

C

TO

6 Conductor

Hook-up Wire

B

TO

BLACK

WHITE

CREW #2

PTT SWITCH

BLACK

WHITE

6 Conductor

Hook-up Wire

CREW #2

HEADSET JACK

GREEN   TIP
BLACK   BARREL

GREEN
BLACK

RED   RING

RED

A

TO

B

TO

6 Conductor

Hook-up Wire

UT-12D (DUAL RADIO) WIRING DIAGRAM

NOTES:
1) CONNECT EITHER VIOLET WIRE TO THE RADIO SPEAKER HI OUTPUT.

  CONNECT THE REMAINING VIOLET WIRE TO SPEAKER LO.
2) CONNECT EITHER WHITE WIRE TO THE RADIO PUSH-TO-TALK (PTT) KEY LINE INPUT.

  CONNECT THE REMAINING WHITE WIRE TO THE PTT KEY LINE RETURN (PTT LO).

HEADSET JACK

Terminal Functions

TIP   Headphone Audio

BARREL   Common Return

RING   Mic Audio

Common Headphone Audio

Common Return

Common Return

DRIVER’S

AUXILIARY

PTT SWITCH

WHITE

Summary of Contents for UT-12D

Page 1: ...from selected headsets via Push To Talk PTT switches Applications The unit is designed for tactical rescue and mobile command center vehicles Voice Activated Intercom VOX feature allows hands free com munication between headsets connected to the UltraSound unit Start speaking and the intercom turns on instantly to relay your message clearly to the other headsets Stop talking and it turns off to re...

Page 2: ...the transmit mic audio level for the radio s RADIO VOLUME Located on the back of the unit Sets the range of receive audio from the radio s ULTRASOUND INSTALLATION Standard Equipment Included Besides the Intercom unit each UltraSound system comes complete with the following UT 12S UT 12D Intercom Mounting Bracket 1 1 Headset Jack Box and Cover with Pre mounted Headset Jack 4 4 with Pre mounted Head...

Page 3: ...dset positions installed in open jumpseat locations the combination of wind road and engine noise picked up by these jump seat headsets can in some cases produce excessive background noise in the intercom system Additionally wide variations in engine noise from idle to high RPM can falsely trigger the intercom VOX voice activated feature This is especially true for older vehicles with open jump se...

Page 4: ... vehicle Drill a inch hole in the panel Install jack with mounting washers and nut as in Figure 3 Both jack insulating washers must be used The Jacks have to be insulated from mounting spot to minimize electrical noise getting into intercom system No need to tighten the jack now You may have to remove the jack to connect the wires PTT Switch Installation In order for the Driver or Passenger positi...

Page 5: ...VER HEADSET JACK TIP GREEN BARREL BLACK GREEN BLACK RING RED RED A TO B TO 6 Conductor Hook up Wire B TO BLACK WHITE CREW 1 PTT SWITCH BLACK WHITE 6 Conductor Hook up Wire CREW 1 HEADSET JACK TIP GREEN BARREL BLACK GREEN BLACK RING RED RED A TO B TO 6 Conductor Hook up Wire 6 Conductor Hook up Wire B TO BLACK WHITE PASSENGER PTT SWITCH BLACK WHITE 6 Conductor Hook up Wire PASSENGER HEADSET JACK GR...

Page 6: ...SET JACK TIP GREEN BARREL BLACK GREEN BLACK RING RED RED A TO B TO 6 Conductor Hook up Wire 6 Conductor Hook up Wire B TO BLACK WHITE PASSENGER PTT SWITCH BLACK WHITE 6 Conductor Hook up Wire PASSENGER HEADSET JACK GREEN TIP BLACK BARREL GREEN BLACK RED RING RED A TO B TO 6 Conductor Hook up Wire J4 1 TAN CREW 3 HEADSET JACK CREW 5 HEADSET JACK J4 3 TAN CREW 6 HEADSET JACK J4 4 TAN CREW 7 HEADSET ...

Page 7: ... power Try not to use a power buss that also runs electrical motors such as fans or light bars with rotat ing lights Connect the green wire to the vehicle chassis ground INTERCOM WIRING CHECK OUT System Setup Before you connect the vehicle s radios check out the system oper ation Do the following without the vehicle s engine running First plug all headsets into the respective headset jacks Put on ...

Page 8: ...ehicle engine rpm from idle to about 1500 RPM and back again While doing this listen for any whine or hum in the headsets Except for some possible engine background noise being picked up from the headset microphone you should not hear any Electrical whine or hum in the headset 8 Shut off the vehicle engine as well as the lights strobes etc If while the engine was running there was no electrical no...

Page 9: ... normal Make sure that you do not physically tie the UltraSound MIC LO and SPEAKER LO wires to the same pin on the radio even if they are tied together inside the radio As in the headset wiring the connections between the UltraSound and radios should be soldered and insulated for reliability Do not use crimp type splices Use a good quality electrical tape or heat shrink tubing to cover the soldere...

Page 10: ...e appropriate RADIO VOLUME switch on the back of the UltraSound unit to the HI position d For UT 12D units make sure that RADIO 1 RADIO 2 switch is set to the radio you want to hear 2 Can t talk to dispatch transmit on radio through the headset a Check the connections between UltraSound unit and the radio Both white wires PTT HI and LO and the Brown and Black wires MIC HI and LO b Check the UltraS...

Page 11: ... headset is turned up to full Radio 1 and the other headsets are not needed for this adjustment Set the RADIO 1 RADIO 2 switch to RADIO 2 and the AUTO BOTH switch to AUTO 2 Put on the Passenger s headset and position the headset micro phone as normal Turn the UltraSound VOLUME control all the way down counter clockwise You should not be able to hear yourself in the headset 3 With the radio s hand ...

Page 12: ...st on Slow off system When you speak your voice will be heard in the headsets but the sound will cut off about a second after you stop speaking Minor readjustment of the squelch may be necessary if the background noise level changes significantly engine idling to cruise power with siren on Radio Operation With the UltraSound System your radio s are heard through the headsets as well Adjust the vol...

Page 13: ...nd hardware Warranty Two Years Sigtronics Installation Hot Line Number 1 800 367 0977 ext 8 Monday through Friday 8 00 a m to 4 30 p m Pacific Time www sigtronics com 3 11 2020 UT 12S_D pdf Rev C igtronics S 0 25 0 50 6 7 0 2 DIA 0 01 0 4 05 2 025 2 025 6 0 7 85 2 35 1 5 0 50 CABLES TOP VIEW FRONT VIEW MOUNTING BRACKET BOTTOM VIEW Sigtronics UltraSound Intercom Typical Installation Dimensions 7 18...

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