Radio Systems I.AM.Radio Transmitter Betriebsanleitung

i. AM. Radio Transmitter

Installation and Operation

Easy to follow instructions on how to program and use your Model 5.0 i. AM. Radio Transmitter

Questions? Just call 856-467-8000

Contents

Quick Start ...........................................................................................3

Front and Rear Panel Controls ..............................................................5

Frequency Selection and Antenna Connections ....................................6

Using the Outdoor Antenna .................................................................................................... 7

To mount the outdoor antenna unit: ..................................................................................... 7

To tune the outdoor antenna unit: ......................................................................................... 7

Broadcasting Live ..................................................................................8

Broadcast Live from a Microphone. ........................................................................................8

Broadcast Live from a Studio or External Recorded Message. .............................................. 8

Broadcast a prerecorded message from the internal “Message Chip” storage. ................... 8

Record Procedure - in detail .................................................................9

Recording a message onto the internal “message chip.” ...................................................... 9

Technical Speciﬁcations and FCC Regulations ....................................10

Model 5.0 i. AM. Radio Transmitter .......................................................................................10

Model ATU – Outdoor tuning Unit / Range Extender ............................................................10

Applicable FCC and Licence Regulations - FCCID: DLB5LTT98 .............................................10

FCC part 15 rules, Section 15.219 Operation in the band 510–1705 kHz. ............................10

Quick Start

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

eak into vent on cabinet to

Remove key to prevent changes

to message or frequency

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

eak into vent on cabinet to

Remove key to prevent changes

to message or frequency

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

eak into vent on cabinet to

Remove key to prevent changes

to message or frequency

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

This Quick Start contains the basic steps necessary to set up and operate your i. AM. Radio Transmitter

using the Indoor Wire Antenna. Please read the detailed procedures in this manual for complete

instructions, especially if your set-up includes the Outdoor Antenna.

1 Make sure the Control Lock Key is inserted in the Control Lock hole

located on the rear of the Transmitter. This key must be completely

inserted to record messages and set the frequency on the transmitter.

Also, make sure that “ANTENNA SELECT” switch is in the

“Basic” position.

2 Connect the indoor

antenna and be sure

to uncoil and fully

extend the wire.

6 The SPEAKER

VOLUME should be

turned off when

using the mic to

avoid feedback.

5 Next, plug the power

transformer into a

grounded wall outlet,

and then plug the power

cord into the CUSTOM

POWER input jack

located

on the back

of the Transmitter.

The Transmitter will

then begin calibrating

itself. When it is ﬁnished

calibrating, a frequency

will appear on the front

panel display.

4 Plug the hand-held

microphone into the

MIC jack located on

the back of the Trans-

mitter. If you are not

using a hand-held mic

the transmitter input

will default to the

internal microphone

located just under the

perforated lid.

Or, plug any line-level

source (Mp3 player,

Cassette deck) into the

LINE INPUT jack on the

rear panel.

3 Set the TWO-PART

MESSAGE SELECT

switch to Part-one.

You are now

ready to record

a message to be

broadcast via the

internal or external

mic or any external

input source con-

nected to the LINE

INPUT jack.

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

6 To record, press and hold the Record/Pause button on the Front Panel until you

see the countdown begin on the Front Display. Then, release the button and begin

recording your message by speaking clearly into the internal mic under the top

perforated grill of the unit, or into a hand held mic plugged in to the MIC jack on

the rear of the unit, or by starting an external source plugged into the LINE INPUT

jack on the rear of the unit.

The front panel digital display will count down the total record time available, but

you can pause recording at any time by pushing the record button again. Then, ﬁn-

ish the record process by pushing the play button or continue recording by pushing

the record/pause button again.

8 Next, determine an open

frequency in your area and

set this frequency on the front

panel display using the up/

down arrow keys. Please see

the “Frequency Selection” page

in this manual to select the

best frequency.

7 To begin playback, press and

hold the Play button until you

see the frequency reappear.

The message will now be

broadcast in a continuous loop.

9 Finally, monitor the radio signal on

a good car radio to check coverage

and audio quality.

You can try different transmitter

locations and frequency selection

to improve coverage and

minimize noise.

Use of the outdoor antenna/ range

extender will substantially increase

coverage.

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

Front and Rear Panel Controls

Transmitter Hand-held Mic

Model # IAM-Mic

Indoor AM Antenna

Model # IAM-Indoor Antenna Antenna Tuner / Range Extender

Model # IAM-ATU

Back Panel

Front Panel

Push to Start Playback

of Recorded Message

Insert key to

allow message

record or

frequency

change

AM frequency readout

Connect indoor

antenna here,

uncoil and stretch

out fully along a

wall or window

sill.

Push to raise and

lower operating

frequency

Select indoor or

outdoor antenna

Push to start and

pause internal

message recording

Connect optional

outdoor antenna

here via RG-6

coaxial cable

External hand-held

microphone jack.

Use automatically

overrides internal

microphone.

Select “MESSAGE CHIP”

to playback from internal

storage chip, or select

“LIVE RADIO” to transmit

via internal mic or

external line source.

External audio

input for

internal chip

recording or

live input.

Select recording

of part 1 or part 2

internal message

Transmitter Power Supply

Model # IAM-Power Supply

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

Frequency Selection and Antenna Connections

Connect the Antenna

Set the Frequency

Determine an available frequency (preferably on the high end of the band) by using a good quality digital

car radio parked in your primary listening area. Select a channel on your car radio where no other radio

station is audible as well as on one channel above and one channel below. It is advisable to make this

listening test at dusk when radio reception is at best.

Use the front panel raise and lower controls to set this frequency.

Note: When using the indoor antenna, the transmitter will go through an automatic antenna calibration

routine after a frequency has been set. This routine will be automatically repeated once an hour to keep

the transmitter calibrated (an internal motor sound will be heard.)

Note: When operating the transmitter, the built in speaker can be used to monitor the broadcast signal or

manually turned off or down via the rear panel “SPEAKER VOLUME” control. The volume level setting of

the speaker volume will not affect the audio level of the broadcast signal.

Connect the indoor antenna to the rear panel lug. Locate the transmitter by a window and stretch the full

length of antenna cable out in a straight a path as possible. Set the “ANTENNA SELECT” to “BASIC.”

Utilize the outdoor antenna tuning unit for extended range. Set the “ANTENNA SELECT” to “OUTDOOR and

follow the “Using the Outdoor Antenna” page in this manual for installation and tuning instructions.

Note: make sure that the transmitter is grounded either via the three prong power transformer or ground

wire connected to a screw on the rear of the unit.

Using the Outdoor Antenna

To mount the outdoor antenna unit:

1 Using the supplied hardware, mount the ATU to a 1/2” to 1 3/4” metal pipe (not supplied.) The pipe can

be free standing to approximately 20 ft. high and secured via guy wires or mounted to the side of a

building.

(Utilize the recommended Radio Shack model 15-0891 eaves mount kit or other antenna

mounting hardware.)

2 Connect the transmitter via the supplied RG-6 coaxial cable and turn on the transmitter and ground the

ATU via the ground wire connector.*

To tune the outdoor antenna unit:

3 Select HI or LOW on the HI/LOW Frequency switch.

• When broadcasting on a frequency OVER 1000 KHz (e.g. 1620) select HI

• When broadcasting on a frequency UNDER 1000 KHz (e.g. 870) select LOW

4 Turn the Tuning Knob on the ATU until the needle on the Output Meter peaks at its

highest number. Leave the knob set for this highest meter reading.

5 Close the cover on the ATU box and seal with a silicone sealant if in harsh weather conditions.

6 For best performance, attach a wire (not supplied) from the Ground Wire Connector on the top of the

ATU to a good earth ground.*

Some examples of good earth grounds are:

• The center screw that holds the cover on a wall electrical outlet.

• Plumbing and water pipes (metal).

• A copper ground rod driven into the earth.

*Please note that Part 15 FCC regulations do not allow an antenna in excess of 3 meters in length and

usually the ground wire length is considered a part of this length and is added to this total antenna

measurement calculation.

Whip Antenna Connector

Mounting Bracket

HI/LOW Frequency Switch

Tuning Knob Meter

Ground Wire Connector

Hinged Cover

COAX connector to Transmitter

Broadcasting Live

Broadcast Live from a Microphone.

Set the Transmit Mode Switch on the Back Panel, to “Live Radio.” This immediately and automatically

selects the built-in microphone (located inside the unit and under the top panel grill) to act as the audio

source for the transmission.

Plugging in a hand held, high-Z microphone into the “MIC” jack on the rear panel automatically super-

sedes the built-in MIC and selects this MIC as the audio source for the transmission.

Note that the built-in audio limiter will keep the signal from distorting, but it is still best to speak directly

into the microphone and at normal and consistent volume for best sound quality.

Note that when using a microphone, the built-in speaker must be manually turned off or down via the rear-

panel ‘SPEAKER VOLUME” control to avoid feedback

Broadcast Live from a Studio or External Recorded Message.

Set the Transmit Mode Switch on the Back Panel, to “Live Radio” and plug a line-level signal (.1V to .5V,

unbalanced) into the “LINE INPUT” (1/8” mini phone) connector on the rear panel. This immediately and

automatically selects this external line input to act as the audio source for the transmission or recording.

Note that the built-in audio limiter will keep the signal from distorting, but it is still best to maintain the

incoming signal level at a consistent volume for best sound quality.

Note that when recording or broadcasting a LINE INPUT, the built-in speaker can be used to monitor the

broadcast signal or manually turned off or down via the rear-panel “SPEAKER VOLUME” control. The volume

level of the internal speaker will not effect the audio level of the broadcast signal.

Broadcast a prerecorded message from the internal “Message Chip” storage.

Set the Transmit Mode Switch on the back panel, to “Message Chip”. The transmitter will automatically

begin and continue to playback any audio recorded on the internal “Message Chip.”

Set the “Two-Part Message Select” switch in the “Part-1” position to playback only message one. Set the

“Two-Part Message Select” switch in the “Part-2” position to consecutively playback both messages parts

one and two.

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUST

OM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INP

500mV

10K

WITH AG

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT M

ODE SWITCH

Message Chip Live

Radio

5 minutes

Record Procedure - in detail

Recording a message onto the internal “message chip.”

1 Insert the Control Lock Key in the control lock hole located on the back of the Transmitter. Select either

Part-1 or Part-2 on the Two-Part Message Switch located on the back of the Transmitter. Note that you

can record or re-record either message part at any time and select to playback either only Part-1 or

Part-1 and Part-2 when transmitting. Therefore, Part-1 is often used as a “wrap-around” or permanent

part of the message while Part-2 is used for additional information and topical updates.

2 To record from the internal built-in MIC, speak into the top grill of the unit. To record from an external

MIC or LINE-INPUT plug either device into its corresponding rear panel connector.

3 Press and hold the Record /Pause button on the front of the Transmitter until the Display Panel begins

counting down in seconds (i.e. 300, 299, 298...) and then immediately begin speaking or press the start

button on your external audio source.

4 To pause during recording, press the Record/Pause button. Push Record/Pause again to continue. Do

not use the Pause Button to end a recording.

5 When your message is complete, wait a second or two then press and hold the Play button located on

the front of the Transmitter until you see the frequency re-display on the front panel. The message will

begin to playback, and will repeat in a loop.

If desired, repeat the recording procedure for message PART-2 by selecting Part-2 on the

TWO-PART MESSAGE SELECT SWITCH.

6 To protect your message from accidental erasure or tampering, remove the Control Lock Key from the

Control Lock located on the back of the Transmitter and place it in a safe place where it cannot be lost.

Note - You can monitor your recording on the Transmitter’s Internal Speaker by turning up the

“SPEAKER VOLUME” control on the transmitter rear panel, but doing so when utilizing a MIC as the record

source may cause feedback. The setting for this internal speaker volume will not affect of audio transmission.

OUTDOOR

ANTENNA

CONNECT

ANTENNA

SELECT

TWO-PART

MESSAGE

SELECT

Part 1 Part 2

CUSTOM POWER

INPUT

120 VAC

Remove key to prevent changes

to message or frequency

Basic Outdoor

SPEAKER VOLUME

Must be OFF when using a

microphone to avoid feedback

18 VDC

BACK-UP MICROPHONE:

Speak into vent on cabinet top

LINE INPUT

500mV

/10K

WITH AGC

TRANSMIT MODE SWITCH

Message Chip Live Radio

5 minutes

Front Panel

Technical Speciﬁcations and FCC Regulations

Model 5.0 i.AM. - AM Radio Transmitter

• Frequency Agile with front-panel selectability - frequency range: 520 to 1700 kHz

• Automatic Tuning – internal automatic servo-operated tuning circuit for range maximization

(U.S. Patent No. 6,295,443)

• Audio Inputs – internal microphone plus externa mic (mono) and line level (stereo) inputs

(on 1/8” “mini phone” connector-line level sensitivity .1 to .5 volts

• Audio Processing: built in automatic audio limitor / compressor

• Message Storage: digital voice record/playback solid state memory chip, 5 minutes max.

• Message Length: variable depending upon model of transmitter (see sticker on unit back panel)

• Microphone: built-in or hand-held

• Size: 8” x 14” x 2.5” (shipping size boxed - 12” x 20” x 6”)

• Weight: 4 lbs. (shipping weight - 7 lbs)

• Indoor Antenna: black, rubberized wire, approximately 8’ in length

• Power: 110/120VAC via included 18VDC 100mA external transformer / grounded AC plug adapter

• RF output power: 100 mW average

• Frequency Control: Crystal controlled phase locked loop tuner

• Frequency Stability: - +/- 30 Hz

• Range: typically 300-3000 feet (dependent on conditions and use of outdoor range extender

Model ATU – Outdoor tuning Unit / Range Extender

• Input Power: .01 mW to 1 watt

• Frequency Range: 520 to 1700 kHz

• Connectors: “F” type input, 3/8”-24 threaded antenna coupling, grounding post with knurled knob

• Radiator: 9’ ﬁberglass whip antenna (included)

• Internal controls: frequency range switch, tuning knob

• Internal indicator: signal strength meter

• Size: 5” x 7” x 3” (shipping size boxed - 6” x 8.5” x 4”)

• Weight: 1.5 lbs. (shipping weight - 2 lbs)

• Mounting: mounts to any metal pipe from 1/2” to 1 3/4” diameter (mounting brackets included,

pipe not included

• US Patent Number US 7, 437,130 B2

Applicable FCC and Licence Regulations - FCCID: DLB5LTT98

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

1.) This device may not cause harmful interference, and 2.) this device must accept any interference

received, including interference that may cause undesired operation.

The model ATU Outdoor Manual Antenna Tuning unit is FCC accepted within this certiﬁcation as serving as

the ﬁnal output stage.

FCC part 15 rules, Section 15.219 Operation in the band 510–1705 kHz.

(a) The total input power to the ﬁnal radio frequency stage (exclusive of ﬁlament or heater power) shall not

exceed 100 milliwatts.

(b) The total length of the transmission line, antenna and ground lead (if used) shall not exceed 3 meters.

the unmodulated carrier. Determination of compliance with the 20 dB attenuation speciﬁcation may be

based on measurements at the intentional radiator’s antenna output terminal unless the intentional

radiator uses a permanently attached antenna, in which case compliance shall be demonstrated by

measuring the radiated emissions.

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