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Louroe Electronics DG-12II, Installation And Operating Instructions Manual

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Louroe Electronics DG-12II Installation And Operating Instructions Manual Download Page 14

PAGE 11 of 28

Fig. 6 Connection diagram using TLMC (speaker/microphone unit)

Rear of TLMC

Speaker Positive

Speaker Return Wire

MIC +12VDC Supply

MIC Audio

Ground

Normal or Timed Audio

Selector Switch

600 Ohm / 70 Volt

Selector Switch

Factory Set at 70V

To Base Station

Call Button

Time Selector 
Dip Switch

Speaker Level Control
Factory Set
Do Not Adjust

S

P
6

7

A

B

C

LOUROE ELECTRONICS   6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 

994-6458

Website:  www.louroe.com           Email:  [email protected]

   

   

(818) 

INSTALLATION AND OPERATING INSTRUCTIONS

WIRING REQUIREMENTS

4 Conductor consisting of:

+

2 Conductor 

shielded

, 20  gauge 

with 22 gauge drain (microphone 
connection)

+

2 Conductor 

unshielded

, 18 gauge 

(speaker connection)

All in the same jacket

West Penn 356 or equivalent

For two-way talk/listen applications

DG-12II 2/08

Summary of Contents for DG-12II

Page 1: ...aker connection All in the same jacket West Penn 356 or equivalent FOR TWO WAY TALK LISTEN MODEL DG 12II MODEL DG MA E LOUROE LECTRONICS 6955 VALJEAN AVE VAN NUYS CA 91406 PH 818 994 6498 FAX 818 994 6458 sales louroe com www louroe com DG 12II and DG MA SOUND ACTIVATED BASE STATION INSTALLATION AND OPERATING INSTRUCTIONS Monitor Talkback amplifier provides 6 Two way listen talkback between base s...

Page 2: ......

Page 3: ...DIO AND RELAY Page 13 DG 12II AND DG MA CONNECTIONS Page 14 CONNECTION TO EXTERNAL RECORDER Page 15 CONNECTING MLA 6 MIXER TO DG 12II AND REMOTE MICROPHONE Page 17 POWER CONNECTIONS Page 18 PARALLELING TWO DG 12II Page 19 CONNNECTING AN EXTERNAL AMPLIFIER Page 20 OPERATION AND TEST Page 24 TROUBLE SHOOTING Page 25 SUMMARY AND SPECIFICATIONS Page 25 Dg12II MODULE ALARM FREQUENCY RESPONSE Page 26 GL...

Page 4: ...II The DG 12II will work with all Louroe microphones and speakers Two way talk listen is accomplished with the addition of a DG MA Monitor Talkback Amplifier QUICK REFERENCE Wiring Requirements If using microphones for one way listen only 2 Conductor shielded cable 22 gauge with a 24 gauge drain wire West Penn 452 or equivalent NOTE Unshielded cable is not recommended for microphone connections If...

Page 5: ...larm delay Switch operations a UP position increases the length of alarm delay b DOWN position decreases the length of alarm delay 6 Audio Alarm Input Jack Used for testing the level of audio coming into the unit as seen from the Audio Level Indicator 17 7 Threshold Sensitivity Switch Selects to increase or decrease the audio threshold sensitivity settings Used in conjunction with the Day Night Se...

Page 6: ... Non Alarm Monitor Switch Used to listen or monitor any or all the zones even when no alarm has occurred Audio from any or all zones that have been switched to monitor Zone Selector Swtches 1 in UP position can be monitored at the Monitor Speaker 36 located in the DG MA unit 15 Auto Reset Knob Cancels the alarm after a set period of time and returns the unit in standby mode Time can be set from 3 ...

Page 7: ... can be pushed to a maximum of 32 times Additional pushes have no effect on the switch 21 Day Sensitivity Setting Pushbutton Used to set the audio threshold sensitivity for daytime The Day Night Sensitivity Switch 9 must be in the Down position The switch can be pushed to a maximum of 32 times 22 Audio Alarm Output Jack Provides DC output corresponding to the audio alarm level after the filter net...

Page 8: ...aker 28 Audio Out Jack Connects to DG MA for listening to monitored audio 29 Power Header Accepts 15Vdc from power supply included Fig 2 DG 12 Back Panel Layout II 24 25 26 27 28 29 TO RESET PUSH IN RELEASE AUDIO OUT 1 2 3 4 5 TB GND TB RETURN TB AUDIO ALL CALL CTRL GND JP51 15VDC 8A 15VDC GND ZONE 1 ZONE 3 ZONE 5 ZONE 7 ZONE 9 ZONE 12 ZONE 10 ZONE 8 ZONE 6 ZONE 4 ZONE 2 ZONE 11 LOUROE ELECTRONICS...

Page 9: ...ch Used to talk to all audio zones at once 34 Monitor Level Control Used to adjust the level of monitored audio 35 Headphone Jack Used for private listening Any monaural headphone with an impedance of 8 to 600Ω may be used 36 Monitor Speaker Audio from any selected zone is produced through the speaker 37 Power LED Indicates power is present at the unit 30 31 32 33 34 35 36 37 TALKBACK INDICATOR MI...

Page 10: ... monitored audio from DG 12II Audio is transmitted through the Monitor Speaker 36 42 Power Cord Connects to 120 Vac line 43 Fuse Holder Holds the power fuse of the unit Fuse is 1 5A slow blow a DVR VCR etc Fig 4 DG MA Rear Panel Layout 42 41 40 39 43 38 INPUT AUDIO OUTPUT 1 2 3 4 5 LOUROE ELECTRONICS 6955 VALJEAN AVENUE VAN NUYS CA 91406 TEL 818 994 6498 FAX 994 6458 Website www louroe com Email s...

Page 11: ...the ON position The level is controlled by the Monitor Level Control 34 on the DG MA When a Zone Selector Switch 1 is in the monitor position UP and an alarm occurs audio is immediately present on the built in Monitor Speaker 36 or optional Headphones 34 Alarm threshold settings can be adjusted by pushing the Night Sensitivity Setting Pushbutton 20 or Day Sensitivity Setting Pushbutton 21 The Day ...

Page 12: ...t The fan s filter filament should be taken out of the guard and cleaned with warm water after 3 months and replaced every six months The filer filament should be cleaned with warm water after 3 months and replaced every six months The filter filament should be cleaned more often when subjected to dust or dirt Additional filter filaments can be obtained from Louroe Electronics Part 28 0074 1 INSTA...

Page 13: ...C speaker microphone unit Fig 5 Connection Diagram using TLI speaker microphone A B C A B C Speaker Power Tap Table Green Lead 70V 5 Watts Yellow Lead 70V 2 5 Watts Blue Lead 70V 1 25 Watts Red Lead 70V 62 Watts Black Lead 70V Common A B C Drain Red Black Red Green Yellow White Green Blue Mounting TLI to VPSC Housing Place TLI inside VPSC matching the 4 mounting screws and secure with furnished nu...

Page 14: ...aker Level Control Factory Set Do Not Adjust SP 6 7 A B C LOUROE ELECTRONICS 6955 VALJEAN AVENUE VAN NUYS CA 91406 TEL 818 994 6498 FAX 994 6458 Website www louroe com Email sales louroe com 818 INSTALLATION AND OPERATING INSTRUCTIONS WIRING REQUIREMENTS 4 Conductor consisting of 2 Conductor shielded 20 gauge with 22 gauge drain microphone connection 2 Conductor unshielded 18 gauge speaker connect...

Page 15: ...nt can be done by connecting the cable to the 3 pin plug in connector supplied as shown in Fig 7 To prevent losing the connectors until needed plug the connectors to the headers in the rear panel of the DG 12II when relay outputs are not in use Maximum rating of the relay contact is 0 5A 125 Vac or 1 8A 30 Vdc DO NOT EXCEED CURRENT RATING OR RELAY MAY BE DAMAGED CONNECTOR TO HEADER CONNECTIONS Wit...

Page 16: ... DG 12II to terminal 4 of DG MA terminal 5 of DG 12II to terminal 5 of DG MA Connect the RCA cable between the DG 12II and DG MA as shown in Fig 8 Fig 8 Connecting the DG 12 to DG MA II ZONE 9 ZONE 7 ZONE 8 ZONE 10 1 2 3 4 5 TB GND TB RETURN TB AUDIO ALL CALL CTRL GND JP51 INPUT AUDIO OUTPUT Rear of DG MA Rear of DG 12II RCA Cable 8 LOUROE ELECTRONICS 6955 VALJEAN AVENUE VAN NUYS CA 91406 TEL 818 ...

Page 17: ... the recorder See Fig 9 below Fig 9 Connecting to a Receiving Device Fig 9A Jumper Connection INPUT OUTPUT AUDIO IN OUT RECEIVING DEVICE RCA CABLES REAR OF DG MA INPUT OUTPUT AUDIO JUMPER REAR OF DG MA AUDIO NOTE If DG MA is not connected to a recording device jumper must be plugged into the audio input and output Otherwise DG MA will not receive audio from the remote microphone LOUROE ELECTRONICS...

Page 18: ...nal block Speaker HIGH side denotes the positive and the LOW side denotes the negative or speaker return terminal Fig 11 shows connection for two microphones Additional microphones are connected the same way as shown for MIC 1 and MIC 2 Fig 10 Connecting MLA 6 to DG 1211 and speaker microphone unit TLI TLMC MLA 6 Audio Mixer Combiner To Base Station To Speaker Microphone Green White Green White Re...

Page 19: ...Black Bare Red Black Bare Mic 2 West Penn 452 MLA 6 Audio Mixer Combiner LOUROE ELECTRONICS 6955 VALJEAN AVENUE VAN NUYS CA 91406 TEL 818 994 6498 FAX 994 6458 Website www louroe com Email sales louroe com 818 INSTALLATION AND OPERATING INSTRUCTIONS 2 Conductor shielded cable 22 gauge with a 24 gauge drain wire NOTE Unshielded cable is not satisfactory for audio systems WIRING REQUIREMENTS West Pe...

Page 20: ...tables hold the plug in connector in place Plug the power supply to a 110 Vac outlet Plug the DG MA AC cord to a 110 Vac outlet II Fig 12 Connecting power supply to DG 12II PUSH IN RELEASE Black Green White to power source LOUROE ELECTRONICS 6955 VALJEAN AVENUE VAN NUYS CA 91406 TEL 818 994 6498 FAX 994 6458 Website www louroe com Email sales louroe com 818 INSTALLATION AND OPERATING INSTRUCTIONS ...

Page 21: ...ng power to the remote station No cable is connected to the A terminal of the other connector These plug in connectors plug into the Mic Talkback 5 Pin Header 24 at the rear panel of the respective DG 12II II Fig 13 Paralleling two DG 12II s Fig 14 Paralleling two plug in connectors of two DG 12II s INPUT AUDIO OUTPUT 1 2 3 4 5 ZONE 9 ZONE 10 ZONE 7 ZONE 8 ZONE 9 ZONE 10 ZONE 7 ZONE 9 A terminal n...

Page 22: ... interconnection between units The Audio in and Audio Out Terminal of the external amplifier can be RCA jacks In such case the interconnect cable between the DG MA Control Terminal Block 40 numbers 1 and 3 and external amplifier Audio In should be two spade lug terminals on one end and on RCA plug on the other Also the cable between Audio Out of the external amplifier and DG 12II plug in connector...

Page 23: ...ntrol 34 on the DG 12II to comfortable listening level 5 Return all Zone Selector Switches 1 to neutral MID position 6 To set the threshold sensitivity of each zone another person at the remote station is needed to generate a normal background noise like people having a conversation and an alarm noise such as someone screaming or yelling 7 Place Day Night Sensitivity Switch 9 in DOWN position to s...

Page 24: ... 7 DOWN to decrease the sensitivity and UP to increase sensitivity d Push and release quickly the Day Sensitivity Setting Pushbutton 21 once or twice while observing the Audio Level Indicator 17 If the audio level does not pass the last green segment the setting is near correct but an actual check is necessary Another person is needed in the remote area to generate some noise to trigger the unit T...

Page 25: ... as shown by the Alarm Delay Indicator 18 g Push and release quickly the Alarm Delay Setting Pushbutton 19 the number of times necessary to attain the correct time delay h Push the Tester Trigger Pushbutton 10 Zone 1 will again go into alarm i Check the reading of the Alarm Delay Indicator 18 The new time is now indicated If the time is still below the desired time repeat steps 13f thru 13i j If t...

Page 26: ... panel 2 Set the Talkback Level Control 31 to mid range 3 Talk to each zone one at a time by depressing each zone Selector Switch 1 to talkback while an observer in the remote zone checks for loudness and cleaness of the output from each speaker 4 Press the All Call Pushbutton Switch 33 while using the talkback microphone to verify clear output to all zones 5 Determine best talkback audio level by...

Page 27: ...perative a Check for 15Vdc at microphone between terminals A and C b Temporarily plug in the connector of a known working microphone from another zone to the DG 12II Mic Talkback 5 pin Header 24 of the inoperative zone to confirm that the circuitry of the DG 12II is operative and to confirm that the problem is in the remote microphone or cabling 5 Zone speaker inoperative a Check wiring from DG 12...

Page 28: ...Ω Monitor frequency response 100Hz to 10 kHz Output impedance talkback 70 Volt line Output impedance record 10 kΩ Output impedance headset 8 to 600Ω Alarm duration 3 sec Monitor output power DG MA 2W rms into 8Ω Talkback output power DG MA 20W rms into 70V line Module filter frequency response See figure on following page Power supply input DG 12II 120 Vac 6A 60 Hz Power input DG 12II 15 Vdc 5A 60...

Page 29: ... NIGHT settings where a small amount of noise picked up by the microphone will set off the alarm in the base station Input The terminals on the apparatus to which signal is applied Jacket Pertaining to wire and cable the outer protective covering may also provide additional insulation Low Sensitivity Settings Alarm threshold settings which also correspond to DAY settings where higher sound level i...

Page 30: ...closed contact of a relay This contact opens whenever the relay coil is energized Shielded Cable An insulated wire that has been shielded by a copper braid or tape An aluminum foil or a semi conductive vinyl Speaker A term to refer to a loudspeaker located in the remote station This unit can be used by itself for talkback only operation or in combination with microphone for two way communication T...

Page 31: ...PAGE 28 of 28 NOTES LOUROE ELECTRONICS 6955 VALJEAN AVENUE VAN NUYS CA 91406 TEL 818 994 6498 FAX 994 6458 Website www louroe com Email sales louroe com 818 DG 12II 2 08 ...

Page 32: ...t prior notification by LOUROE ELECTRONICS This warranty does not extend to any Louroe product that has been subjected to improper or incorrect installation misuse accident or in violation of installation instructions provided by LOUROE ELECTRONICS Returned shipments to LOUROE ELECTRONICS shall be at customer s expense LOUROE ELECTRONICS will return the equipment prepaid via best way IMPORTANT NOT...

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