Instructions:
1. Connect properly tuned antenna cable (see Antenna Tuning Instructions) to antenna port (B). (DO NOT operate transmitter without
properly tuned antenna connected, damage may occur to the unit such as overheating)
2. Connect power to the Power Jack (A).
3. Connect audio source using 3.5mm male audio cable. Connect one end to Audio Input Jack (C) on the transmitter. Connect the other
end of the cable to audio output jack /headphone jack of the source device (ie: MP3 player, iPod, PC, MAC, PDA, DVD player, etc.)
4. Optional
– transmitting from a microphone: You may transmit audio from a microphone by connecting a stereo plug-type microphone
to the microphone input jack
(DO NOT USE A MONO PLUG-TYPE MICROPHONE, DOING SO MAY CAUSE PERMANENT DAMAGE)
5. Power unit ON using by pressing down Power Toggle (D). LCD will come on.
6. Set transmitting frequency using the Frequency Toggle Buttons (E). (Helpful hint: You should pre-scan your local FM frequencies
using an FM radio or
www.radio-locator.com
to find an unused frequency and set the transmitter to this frequency).
7. Refer to Antenna Tuning Section
8. Set volume level on the audio source device (ie: MP3 player, iPod, PC, MAC, PDA, DVD player, etc.) Optimal audio level varies for
each type of device and recorded audio volume. Generally you should set audio level at about 50-60% and slowly increase to optimum
level
(IF AUDIO IS SET TOO HIGH IT WILL CAUSE DISTORTION IN THE RECEIVING RADIO)
Helpful Hint: Setting volume level (PC/Mac). When using the 20 Watt RangeStud FM Transmitter with a PC or MAC computer the
volume level will need to be optimized at all three different sources: (1) computer sound card, (2) Media player software and (3) FM
receiver radio. Set audio level at about 50% and slowly increase to optimum level. Audio should also be increased at the FM radio
receiver to optimum level.
9. Set volume level on FM transmitter using Audio and Microphone Volume Controls (G & H) and then on radio receiver: When the
source audio level is optimized you should be able to have full audio level range with the FM receiver radio without any distortion and
crystal clear audio.
If you audio sound is distorted you should lower the volume level at the source device, step #7.
Six Common Rules for All Users:
1. The AC adapter supplied is designed for dry indoor use only. DO NOT use the AC adapter outdoors or in wet conditions.
2. Make sure the supplied antenna is connected at all times when transmitter unit is powered ON. This will prevent damage to your unit.
3. For best results, try to find an open (unused) frequency to transmit on (
http://www.radio-locator.com
). Do not transmit on occupied
commercial radio station frequency; for legal and ethical reasons.
4. Always follow your local regulations regarding the proper use of an FM transmitter.
5. Only use power adapters supplied with your unit. Using other types of power adapters may produce background noise with your
transmitted audio and/or could damage your unit.
6. When transmitting from a microphone; only use a stereo plug microphone, using any other type of microphone such as a mono plug
microphone will
permanently damage your unit, see “Operating Instructions - step #4”
7. Always ensure that proper antenna tuning met
hods were used. Be resourceful, this Instruction Manual is only a guide…
FM Radio Transmission is a very tedious task and many variables factor into how clear your signal gets. DAGCO Electronics has done
the best they can to make this unit as “Plug and Play” ready as possible!
Troubleshooting:
1.
Transmitting volume is too low:
Make sure to increase volume level of audio source device to at least 50% level. When using
transmitter with PC or Mac computer the volume will need to be set at three different levels, see step #7 in operating instructions
section.
2.
Transmit range is too low
: The transmit range will vary as per your environment, antenna type, power supply, and/or frequency
setting. Placing the transmitter (or antenna) on the highest altitude inside or outside of a building with the least amount of obstacles will
give you the optimum range. In addition, optimizing the antenna tuning with the help of a SWR Meter would be recommended!
3. When using transmitter with satellite receiver, TV or DVD player audio the sound is distorted: These types of audio/video devices
generally do not have volume control capabilities. Therefore, simply adjust (G) Audio Volume Control.
4.
There is a constant hum on my radio
: Proper grounding techniques and tuning of the antenna are very important steps (See the
Antenna Tuning Section). Also, make sure any input wire coming into the transmitter has an RF Noise Filter (Ferrite).
Remember:
Every frequency has a unique antenna setting!
AUDIO
INPUT
(C)
MICROPHONE
INPUT
(D)
POWER TOGGLE
(E)
FREQUENCY TOGGLES
(F)
MIC VOLUME
CONTROL
(H)
AUDIO VOLUME
CONTROL
(G)
POWER JACK
(A)
ANTENNA PORT
(B)
