Cheetah RDFM-T User manual

..

..

page
1
..... page 2
. page 2
.... page 3
.. page 3
.... page 4
... page 4
. page 5
1
Cheetah RDFM-T
FM audio transmitter with
3.5mm headphone plug
ser manual
1. Overview
2. Getting started
3. Basic operation
4. Care and maintenance
5. Trouble shooting
6. Technical specifications
7. Service
8. Warranty
1. Overview
①
①①
①
ON/OFF power switch
④
④④
④
Battery cover
②
②②
②
Frequency adjust button
⑤
⑤⑤
⑤
LED frequency indicator
③
③③
③
3.5mm connector p ug

2
2. Getting started
1) Insta two 1.5V AAA batteries into the Cheetah RDFM-T.
2) P ug the 3.5mm connector p ug into your audio device’s
headphone socket.
3) Turn the ON/OFF switch to the ON position.
4) Adjust the frequency of the Cheetah RDFM-T as required.
P ease refer to Basic operation (Section 3).
5) Tune your FM radio to match the frequency of the Cheetah
RDFM-T.
6) Enjoy istening to your audio device through your FM radio.
Cheetah RDFM-T FM radio
3. Basic operation
Operation Function
Turn the ON/OFF switch
to the ON position Turns the Cheetah RDFM-T on
Turn the ON/OFF switch
to the OFF position Turns the Cheetah RDFM-T off
Short press of the
frequency adjust button
The frequency wi change from
0.1MHz, 0.3 MHz, 0.5 MHz, 0.7 MHz to
0.9 MHz. The upper LED wi disp ay the
se ected setting.
Press and ho d the
frequency adjust button
The frequency wi change from 88MHz,
90MHz, 106MHz to 107MHz. Re ease
when the ower LED disp ays the
required setting.

3
4. Care and maintenance
P ease read the fo owing recommendations before using the
Cheetah RDFM-T. By fo owing these steps you wi be ab e to
enjoy your product for many years to come.
• Do not expose the Cheetah RDFM-T to iquid spi s, moisture or
excessive humidity.
• Do not use abrasive c eaning so vents to c ean the Cheetah
RDFM-T.
• Do not expose the Cheetah RDFM-T to extreme y high or ow
temperatures as this cou d shorten the ife of your product,
damage the batteries or distort p astic components.
• Do not dispose of the Cheetah RDFM-T in a fire as it wi resu t
in an exp osion.
• Do not a ow the Cheetah RDFM-T to come into contact with
sharp objects as this wi scratch and damage your product.
• Do not drop the Cheetah RDFM-T as the interna circuitry might
get damaged.
• Do not attempt to disassemb e the Cheetah RDFM-T as you wi
void your warranty.
• If you p an not to use the Cheetah RDFM-T for a ong time,
p ease remove the batteries and store it in a dry p ace that is
free from extreme temperatures and dust.
5. Trouble shooting
I can’t turn the Cheetah RDFM-T on.
a) P ease make sure you have insta ed fresh batteries into the
Cheetah RDFM-T.
b) Rep ace o d batteries with fresh batteries.
I can’t hear audio from my device on the FM radio.
a) P ease make sure your audio device is working (unp ug the
Cheetah RDFM-T and ensure you can hear audio from your
device).
b) P ease make sure the vo ume contro on your audio device is
turned up.

4
c) P ease make sure the Cheetah RDFM-T is then p ugged in
secure y to your audio device.
d) P ease make sure the frequency of your FM radio matches the
frequency of the Cheetah RDFM-T.
e) P ease adjust the vo ume of the FM radio.
f) If you sti cannot hear any audio, p ease rep ace the batteries in
the Cheetah RDFM-T.
I can hear a radio station or interference.
a) If you can hear interference from a broadcasting radio station on
the current y se ected frequency, p ease adjust the frequency of
the Cheetah RDFM-T and retune your radio to match the new
frequency.
b) Move the Cheetah RDFM-T away from other nearby e ectronic
devices.
6. Technical specifications
Frequency range 88.1MHz - 107.9MHz
Number of channels 20 channe s
Audio input response range 25 - 15000Hz
Power supply 2 × 1.5V AAA Battery
Working current <30mA
Working temperature -10～45℃
Storage temperature -20～60℃
Dimensions 62.5 × 38.5 × 17.7mm
Weight 41.39g
7. Service
If any Cheetah product needs repair:
There is no need to return this to the store. Our friend y customer service
representatives wi be g ad to he p.
Before sending any products back to us for service, p ease check our support

5
page on www.speedcheetah.com/support or contact us at
[e-mail].
Do not attempt to service this product yourse f. Do not open, puncture or
disassemb e the product.
If the product fai s to function, fo ow these instructions to obtain factory service.
Where to ship:
Contact us at [e-mail] for country specific return address
detai s.
How to ship:
Ship the unit prepaid and insured, in its origina packaging or other strong
protective packaging. We cannot be he d responsib e for any returned product
unti it has been de ivered to our premises. Insist on a proof-of-de ivery receipt.
P ease inc ude the fo owing information with your return:
a) your name and return shipping address
b) description of the prob em
c) your daytime te ephone number
d) proof of purchase if you did not buy the unit direct y from us
Out of warranty repairs:
If your unit is out of warranty (o der than one year), we wi contact you with an
estimated repair cost. If the unit has been damaged, abused or modified, the
repair cost wi be ca cu ated on a parts and abor basis.
Features, specifications and prices subject to change without notice
8. Limited Warranty
Cheetah Advanced Techno ogies Ltd. Warrant our products against a defects
in materia s and workmanship for a period of one year from the date of the
origina purchase, subject to the fo owing terms and conditions.
This warranty is imited to the origina owner and is Non-Transferab e.
This warranty does not app y if the seria number has been removed or is
unreadab e or if the product has been subjected to physica abuse, improper
insta ation, modification or interna examination.
To obtain warranty service, the product must be returned, insured and shipping
prepaid, to Cheetah Advanced Techno ogies Ltd., at the address shown, in its

6
origina packaging or a suitab e a ternative, together with a written description
of the prob em, proof of purchase and a return shipping address.
The so e responsibi ity of Cheetah Advanced Techno ogies Ltd under this
warranty is imited to repair or, at discretion, rep acement of the product.
Cheetah Advanced Techno ogies disc aims a other warranties, expressed or
imp ied, inc uding warranties of fitness for any particu ar purpose or
merchantabi ity.
Cheetah Advanced Techno ogies Ltd accept no iabi ity for any direct, indirect
or consequentia c aim arising from the use or misuse of this product or from
any incident arising from an insta ation that inhibits the correct operation of an
airbag or any other vehic e system.
Cheetah Advanced Techno ogies Ltd. dec ares that this product is
in comp iance with the essentia requirements and other re evant
provisions of Directive 1999/5/EC.
This device comp ies with Part 15 of the FCC Ru es.
Operation is subject to the fo owing two conditions:
(1) this device may not cause harmfu interference,
and (2) this device must accept any interference
received, inc uding interference that may cause
undesired operation.
NOTE: The manufacturer is not responsib e for any radio or TV interference
caused by unauthorized modifications to this equipment. Such modifications
cou d void the user’s authority to operate the equipment.
Copyright information
© Cheetah Advanced Techno ogies Ltd, Scot and. A rights reserved.
“Cheetah” is a registered trademark of Cheetah Advanced Techno ogies Ltd,
Scot and. A other trademarks are the property of their respective owners.
Cheetah Advanced Techno ogies Ltd has made every effort to ensure that a
the information contained in this manua is accurate and re iab e; however, the
information is subject to change without notice. Cheetah Advanced
Techno ogies Ltd sha not be iab e for technica or editoria errors or omissions
contained herein nor for incidenta or consequentia damages resu ting from
the performance or use of this materia . This document contains information
protected by copyright. No part of this document may be photocopied or
reproduced in any form without prior written consent from Cheetah Advanced
Techno ogies Ltd.