Extron electronics IR Broadcaster Manuale utente

User’s Manual

System Switcher and MediaLink Accessory

IR Broadcaster

68-392-02 Rev. B

Printed in the USA

02 02

ProjectorExtron

IR Broadcaster

Extron

MLC

Extron

MediaLink Controller

MLC 206

DISPLAY

POWER

VOLUME

MAX/

MIN

VCR DVD Laptop

IR BROADCASTER

Emitter Comm.

Responder LED

Broadcast Emitters

Front

Rear

2IR Broadcaster with Emitter Port • Introduction

Introduction

The IR Broadcaster (part #60-272-02)

The Extron Infrared Broadcaster transmits IR signals that have been

“learned” by an Extron system switcher or Extron MediaLink

Controller (MLC) and that are associated with the front panel

functions. This allows other IR controlled devices in the room to

receive the signal put out by the Broadcaster. Refer to the appropriate

switcher’s or controller’s user’s manual for IR learning procedures.

Pressing buttons on the system switcher’s or controller’s front panel,

or on an Extron IR remote control, SCP control pad, or RS-232 host

causes the IR Broadcaster to broadcast an IR command that is associated

with that button/key. For example, if a command to switch the

projector to RGB mode has been “learned” and associated with an

input selection button, when that button is selected from a panel, the

IR remote control, or from the RS-232 host, that learned command is

broadcast.

The switcher or the controller provides power, an IR signal, and a

ground connection to the IR Broadcaster through a special three-

conductor custom cable. The Broadcaster should be placed so that its

signal covers a large area of the room, within the range of the projector

or other devices to be controlled by learned commands.

Front and rear panels

The picture below shows the front and rear panels of the IR Broadcast-

er. Place the dark red lens side (front) of the Broadcaster toward the

room so that the projector (or other device) can receive the IR signals.

For some applications it may be desirable to limit the signal broadcast

range. There is a connector on the IR Broadcaster for use with the

standard IR Emitter. If an Emitter is

connected to the Broadcaster, the

switcher or controller sends IR signals to

controlled devices via the IR Emitter, but

not out the Broadcaster’s emitters.

The IR Broadcaster’s own emitter

devices and the responder LED are

shown in the illustration. The emitters

are not easily seen through the dark

lens, but the responder can be seen

when its LED blinks to indicate that an

IR signal has been broadcasted.

Installing and Setting Up the IR Broadcaster

The following illustration shows a typically appllication with an

IR Broadcaster connected to a switcher, and it also shows how the

IR Emitter can be used with the Broadcaster.

IR Broadcaster with Emitter Port • Installation & Operation

White = Signal

Black = Ground

IR Emitter

Tip (Signal) Sleeve (Gnd)

SYSTEM 7SC

COMPUTERS-VIDEO

VIDEO AUDIOS-VIDEO

VIDEO

INPUT 7

CONTROL

IRDISPLAY

VOLUME

RX LEARN

ADJUST

DETAIL

CONT

BRIGHTTINTCOLOR

DISP

PWR

DISP

MUTE MODE ROOM

ROOM

1234567

Extron System 7SC

Connecting an IR Broadcaster, IR Emitter, and a system switcher

Using a signal with a carrier signal

For most applications, a signal that already has a carrier frequency may

be used with the IR Broadcaster. Use pin C from the System 5/5cr/5cr

Plus or System 7SC connector, or pin A on the MLC (see diagrams on

page 7), and use the IR Broadcaster’s default DIP switch settings (switch

9 open) to allow the carrier signal to pass through and be broadcast.

This leaves the signal/no carrier pin available for a projector that uses a

wired remote control. The IR Emitter may not be used in this case.

Using a signal without a carrier signal

If you choose to have the IR Broadcaster generate the carrier signal, use

pin A from the System 5/5cr/5cr Plus or System 7SC connector, or pin C

on the MLC (see page 5). You may use an IR Emitter in this case.

If you use an IR Emitter, connect the white lined signal wire to the tip of

the 2.5 mm plug (provided), as shown in the diagram above. Connect

the solid black ground wire to the sleeve.

1. Open the IR Broadcaster’s case: remove and save the two small

screws from the underside of the enclosure, and lift the top of the

enclosure straight up.

2. Inside the Broadcaster, set DIP switch

#9 to the closed position (up). This

forces the Broadcaster to generate a

carrier signal.

3. Set the other DIP switches to deter-

mine the carrier frequency. Page 3

features a table of all the possible

carrier signal output frequencies that

can be selected by setting the DIP

switches. Choose a frequency from

the table that is closest to that

required by the projector (or other IR-

controlled device).

341 2785 6910

Top View

IR Broadcaster with Emitter Port • Installation & Operation

Installation and Operation, cont’d

Freq.

(kHz)

13,400.00

6,700.00

4,466.70

3,350.00

2,680.00

2,233.30

1,675.00

1,914.30

1,675.00

Closed = up,

Open = down,

DIP Switch Settings for IR Broadcaster-Generated Carrier Frequencies

(DIP switch 9: closed. DIP switch 10: not used.)

1234567

1,488.90

1,340.00

1,218.20

1,116.70

1,116.68

1,030.80

957.10

837.50

893.30

837.50

788.20

744.40

670.00

705.30

670.00

536.00

515.40

478.60

496.30

478.58

462.10

446.70

418.80

432.30

418.75

406.10

394.10

372.23

382.90

372.20

362.20

352.60

335.00

343.60

335.00

638.10

609.10

558.33

582.60

558.30

12345678

Freq.

(kHz)

326.80

319.00

311.60

304.55

304.50

297.80

291.30

279.20

285.10

279.18

Closed = up,

Open = down,

1234567

273.50

268.00

262.70

257.70

252.80

248.10

239.30

243.60

239.28

235.10

231.00

223.33

227.10

223.30

206.20

203.00

197.10

200.00

197.05

194.20

191.40

186.10

188.70

186.10

183.60

181.10

176.33

178.70

176.30

174.00

171.80

167.50

169.60

167.50

219.70

216.10

209.40

212.70

209.38

12345678

Freq.

(kHz)

165.40

163.40

161.40

159.53

159.50

157.60

155.80

153.20

154.00

152.28

Closed = up,

Open = down,

1234567

150.60

148.90

147.30

145.70

145.65

144.10

142.60

139.60

141.10

139.58

138.10

136.70

134.00

135.40

134.00

127.60

126.40

124.10

125.20

124.08

122.90

121.80

119.65

120.70

119.60

118.60

117.50

115.53

116.50

115.50

114.50

113.60

111.70

112.60

111.68

132.70

131.40

128.85

130.10

128.80

12345678

IR Broadcaster with Emitter Port • Installation & Operation 5

Freq.

(kHz)

110.70

109.80

108.90

108.10

108.08

107.20

106.30

104.70

105.50

104.70

Closed = up,

Open = down,

1234567

101.53

98.53

95.73

93.05

90.55

88.15

85.90

81.70

83.75

79.75

77.90

76.13

72.83

74.45

71.28

63.20

62.03

59.83

60.90

58.78

57.75

69.80

68.38

65.68

67.00

64.43

12345678

Freq.

(kHz)

56.78

55.83

54.93

54.03

53.18

52.35

51.55

50.00

50.75

49.28

Closed = up,

Open = down,

1234567

48.55

47.85

47.18

46.53

45.90

45.28

44.68

43.50

44.08

42.95

42.40

41.88

40.85

41.35

40.35

37.65

37.23

36.43

36.83

36.03

35.65

39.88

39.40

38.50

38.95

38.08

12345678

Freq.

(kHz)

35.28

34.90

34.53

34.18

33.85

33.50

33.18

32.53

32.85

32.20

Closed = up,

Open = down,

1234567

31.90

31.60

31.30

31.03

30.73

30.45

30.18

29.65

29.90

29.38

29.13

28.88

28.40

28.63

28.15

26.80

26.58

26.18

26.38

27.93

27.68

27.23

27.45

27.03

12345678

12345678 12345678 12345678

DIP Switch Settings for IR Broadcaster-Generated Carrier Frequencies

(DIP switch 9: closed. DIP switch 10: not used.)

Making the Cable

Extron provides the 3.5 mm connectors with the IR Broadcaster,

however a cable will have to be made to fit your installation

requirements. Use the following information to make the cable.

IR Broadcaster with Emitter Port • Installation & Operation

Installation and Operation

Wiring tip-ring-sleeve and tip-sleeve connectors

The illustration below shows how to wire a 3.5 mm stereo-style (tip-

ring-sleeve) connector for the IR Broadcaster voltage, signal, and ground

wires to connect the System Switcher or MLC to the IR Broadcaster.

Tip (+12V)

Tip

Sleeve Heat Shrink

Ring (Signal)

Sleeve (Gnd)

Unscrew cover.

Locate components.

Slide cover and heat shrink

over cable.

Strip wires and solder ends, and insert in holes.

Solder 3 wires.

Bend tabs up over cable insulation.

Screw cover onto connector.

Slide heat shrink over exposed wires, and apply heat.

Ring

Wiring the tip-ring-sleeve connector

The contact assignments for the connector are as follows:

Stereo System 5cr/5cr Plus, MLC

connector System 7SC captive captive screw

part Function screw connector pin connector pin

Tip +12 volts E E

Ring Signal & carrier C A

Sleeve Ground B or D D

CAUTION

Because there will be +12 volts on the tip (from the switcher

or the MLC) it is best to plug the cable to the IR Broadcaster

first, and then into the switcher’s or MLC’s panel.

If the projector has round jack marked “Wired Remote”, this may

be wired to pin A. Check the documentation that came with the

projector to be sure of this function.

If using the standard IR Emitter with the IR Broadcaster, a similar

procedure is required to put a 2.5 mm, round, tip-sleeve connector on

the Emitter’s cable. See the illustration on page two for IR Emitter

wiring instructions. The Broadcaster’s internal DIP switches must also

be set to select the outgoing carrier frequency.

A 12VDC, 500 mA output is provided on the Comm port of the

System 5/System 5cr/System 5cr Plus, the IR Comm port of the

System 7SC, and the Display/Source Control IR port of the MLC.

For the end of the cable that goes to the switcher or MLC, connect the

wires to the 3.5 mm, 5-pole captive screw connector. Strip no more than

7IR Broadcaster with Emitter Port • Installation and Operation 7

1/4” (0.6 cm) of insulation from each wire. Do not solder the tips. Insert

each wire into the correct position on the captive screw connector, and

tighten each screw. See the diagrams below.

To pass through an IR signal that includes a carrier signal,

connect the signal wire to the pin designated for carrier and

signal.

If you want the IR Broadcaster to generate the carrier signal,

connect the signal wire to the pin designated for signal only.

System 5

Comm port

Signal only

Gnd

Carrier & signal

Gnd

+12V

COMM

Tip (+12V)

Sleeve (Gnd)

Tip (+12V)

Ring (Signal)

Sleeve (Gnd)

To the

IR Broadcaster

(60-272-02)

Wiring the System 5/5cr/5cr Plus’ captive screw connector

Carrier & signal

Signal only

Gnd

+12V

System 7

IR Comm

port

IR COMM

ABCDE

To IR Broadcaster

with emitter port

(#60-272-02)

Wiring the System 7SC’s captive screw connector

Demodulated IR (signal only)

+12VDC output

MLC IR

Display/Source

Control port

ABCDE

Modulated IR (signal & carrier)

Ground

IR Broadcaster

with Emitter port

(#60-272-02)

Wiring the MLC’s one-piece captive screw connector

All trademarks mentioned in this manual are the properties of their respective owners.

Extron Electronics, USA

1230 South Lewis Street

Anaheim, CA 92805

USA

714.491.1500

Fax 714.491.1517

Extron Electronics, Europe

Beeldschermweg 6C

3821 AH Amersfoort

The Netherlands

+31.33.453.4040

Fax +31.33.453.4050

Extron Electronics, Asia

135 Joo Seng Road, #04-01

PM Industrial Building

Singapore 368363

+65.6383.4400

Fax +65.6383.4664

Extron Electronics, Japan

Daisan DMJ Building 6F

3-9-1 Kudan Minami

Chiyoda-ku, Tokyo 102-0074 Japan

+81.3.3511.7655

Fax +81.3.3511.7656

www.extron.com

Extron’s Warranty

Extron Electronics warrants this product against defects in materials and

workmanship for a period of three years from the date of purchase. In the event of

malfunction during the warranty period attributable directly to faulty workmanship

and/or materials, Extron Electronics will, at its option, repair or replace said products

or components, to whatever extent it shall deem necessary to restore said product to

proper operating condition, provided that it is returned within the warranty period,

with proof of purchase and description of malfunction to:

USA, Canada, South America, Europe, Africa, and the Middle East:

and Central America: Extron Electronics, Europe

Extron Electronics Beeldschermweg 6C

1230 South Lewis Street 3821 AH Amersfoort

Anaheim, CA 92805, USA The Netherlands

Asia: Japan:

Extron Electronics, Japan

Extron Electronics, Asia Daisan DMJ Bldg. 6F,

135 Joo Seng Road, #04-01 3-9-1 Kudan Minami

PM Industrial Bldg. Chiyoda-ku, Tokyo 102-0074

Singapore 368363 Japan

This Limited Warranty does not apply if the fault has been caused by misuse,

improper handling care, electrical or mechanical abuse, abnormal operating conditions

or non-Extron authorized modification to the product.

If it has been determined that the product is defective, please call Extron and ask for an

Applications Engineer at (714) 491-1500 (USA), 31.33.453.4040 (Europe), 65.6383.4400

(Asia), or 81.3.3511.7655 (Japan) to receive an RA# (Return Authorization number). This

will begin the repair process as quickly as possible.

Units must be returned insured, with shipping charges prepaid. If not insured, you

assume the risk of loss or damage during shipment. Returned units must include the

serial number and a description of the problem, as well as the name of the person to

contact in case there are any questions.

Extron Electronics makes no further warranties either expressed or implied with

respect to the product and its quality, performance, merchantability, or fitness for any

particular use. In no event will Extron Electronics be liable for direct, indirect, or

consequential damages resulting from any defect in this product even if Extron

Electronics has been advised of such damage.

Please note that laws vary from state to state and country to country, and that some

provisions of this warranty may not apply to you.

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