Camel-RF CZH-T501 User manual

CZH-T501 FM Transmitter User Manual
Revised by BG7CR on Dec-1
st
2012. Any question please send email to littleshi [e-mail]
Please visit ou website http://www.108MHz.com fo mo e p oducts.
Important
1. Maintenance can only be operated by authorized professionals.
2. Get lightening p otection measu es eady in thunde sto m weathe .
3. Do not touch the antenna when the t ansmitte is powe ed on.
4. Do not powe on the t ansmitte if the antenna is not well connected.
5. Do not use the t ansmitte unde the explosive envi onment, such as gas/ efueling station, etc.
6. Do not use the t ansmitte in the ext eme dusty, damp o high tempe atu e envi onment.
7. Be su e to comply with the ules eleased by the local adio administ ations.
Index
Featu es.
Configu ation list.
Diag ams of f ont and back panel.
Knob/Button Definition.
Ope ating inst uctions.
Technical specifications.
Gene al t oubleshooting.
About Us.
Features
CZH-T501 is the p oduct which possesses of multiple functions, eliable and steady pe fo mance,
convenient fo ope ations and good sound quality. Main featu es a e as follows,
1. Mono/Ste eo mode Optional.
2. Powe adjustable f om 0 to 50 Watts.
3. Single Knob ope ation, simple and convenient to use.
4. Automatic volume cont ol. Volume detected & adjusted acco ding to input level to get the best
modulation.
5. LCD displays ope ating f equency, tempe atu e, powe and SWR.
6. SWR & Tempe atu e p otection. Goes automatic into p otection state when antenna is not well
connected/matched o excessive ope ating tempe atu e.
7. Inte face available fo exte nal encode (SCA o RDS encode ).
Configuration List
No. Product Name Specification Qty To be connected
1 FM T ansmitte CZH-T501 1 ／
2 GP antenna 1/4 o 1/2 wavelength 1 RF OUT
AC powe cable 3- pin 100-240V 1 AC INPUT
www.fmtron.com
www.fmtron.com

CZH-T501 FM Transmitter User Manual
Revised by BG7CR on Dec-1
st
2012. Any question please send email to littleshi [e-mail]
Please visit ou website http://www.108MHz.com fo mo e p oducts.
4 Audio line 3.5mm to RCA 1 LINE IN
5 Use Manual (PDF) Download available 1 ／
Diagrams of front and back panel
1. Diagram of front panel
2. Diagram of back panel.
Knob/Button Definition
1. Adjust Knob
2. Power ON/OFF
Check and confi m the antenna is well
connected. Then switch the powe button to ‘I’
to powe on the t ansmitte , and ‘O’ means to
powe it off.
The t ansmitte goes into wo king status afte it is powe ed on. Main inte face has two pages; the
fi st page is as,
Ope ation Definition Function comments
Rotate To adjust/switch To adjust/switch in the configu ation/main
menu.
Sho t P ess To confi m To ente into o exit the configu ation setting
menu.
Long P ess To confi m To ente into configu ation menu.
www.fmtron.com
www.fmtron.com

CZH-T501 FM Transmitter User Manual
Revised by BG7CR on Dec-1
st
2012. Any question please send email to littleshi [e-mail]
Please visit ou website http://www.108MHz.com fo mo e p oducts.
The second page is as,
Which each of the cha acte s means,
Woking fequency
Tempeatue
Output powe
Revese powe
SWR value
Ste eo mode
Audio Volume 60 (0~13), ‘Auto’ means cont ol automatically
Mic ophone Volume (0~79)
Real-time volume
Operating Instructions
At ope ating status, p ess b iefly the adjusting knob, ente into the fi st menu option as frequency set, you
can switch to othe menu options by tu ning the adjusting knob left o ight. All configu ation menu
options a e as follows (see the next page),
1. Set Frequency
(1) P ess adjust knob to ente into ‘FREQUENCY SET’.
(2) The f equency can be adjusted by tu ning knob left/ ight f om 87MHz to 108MHz, and the step is
0.1MHz.
(3) P ess adjust knob to confi m when you dete mined to ope ate at a ce tain f equency.
www.fmtron.com

CZH-T501 FM Transmitter User Manual
Revised by BG7CR on Dec-1
st
2012. Any question please send email to littleshi [e-mail]
Please visit ou website http://www.108MHz.com fo mo e p oducts.
2. Set Audio Volume
(1) P ess adjust knob and tu n left/ ight to ente into ‘LINE VOLUME’.
(2) The audio volume can be adjusted by tu ning the knob left/ ight f om 0~79.
(3) Sho t p ess the knob to confi m when you dete mined to ope ate a ce tain volume.
. Set RF Power
(1) P ess adjust knob and tu n left/ ight to ente into ‘RF POWER SET’.
(2) The RF powe can be set by tu ning the knob left/ ight f om 0~50 Watts, the step is 0.1W.
(3) P ess the knob to confi m when you dete mined to ope ate at a ce tain powe .
4. Stereo/Mono Set
(1) P ess adjust knob and tu n left/ ight to ente into ‘ ST〈OR〉MO’.
(2) The audio can be set by tu ning the knob left/ ight.
(3) P ess the knob to confi m.
www.fmtron.com

CZH-T501 FM Transmitter User Manual
Revised by BG7CR on Dec-1
st
2012. Any question please send email to littleshi [e-mail]
Please visit ou website http://www.108MHz.com fo mo e p oducts.
5. Temperature protection Set
(1) P ess adjust knob and tu n left/ ight to ente into ‘TMPE SET’.
(2) Tu n the knob left/ ight to set the tempe atu e, the ange is 50~70℃.
(3) Pess the knob to confi m.
6. SWR protection Set
(1) P ess adjust knob and tu n left/ ight to ente into ‘SWR SET’.
(2) Tu n the knob left/ ight to set SWR value f om 2.0-3.5.
( ) P ess the knob to confi m.
7. Set Microphone volume
(1) P ess adjust knob and tu n left/ ight to ente into ‘MIC VOLUME’.
(2) The mic ophone volume can be adjusted by tu ning the knob left/ ight f om 0~79.
(3) P ess the knob to confi m when you dete mined to ope ate at a ce tain volume.
8. Back to Main interface
While setting the t ansmitte in the menu, if you want to go back to wo king status, tu n the knob to
‘EXIT’ and p ess it, the t ansmitte will be back to wo king status.
Technical Specifications
No. Item Technical specifications
1 Ope ating voltage AC110V/AC220 50/60HZ (Select manually)
2 Ope ating cu ent ﹤1A
3 F equency ange 87~108MHz
4 F equency stability ±10PPM
5 F equency step 100KHz
6
Envi onment tempe atu e -10℃~45℃
7
Output Impedance 50Ω
www.fmtron.com

CZH-T501 FM Transmitter User Manual
Revised by BG7CR on Dec-1
st
2012. Any question please send email to littleshi [e-mail]
Please visit ou website http://www.108MHz.com fo mo e p oducts.
8
Output RF powe 0~50W
9
Ha monic & Clutte adiation ≤－60dB
10
Audio Disto tion 0.2%
11
F equency esponse 50Hz~15000Hz
12
Ste eo Sepa ation ≥35 dB
13
Input level ≤15 dBV
14
F equency deviation ±75KHZ
15
SNR ≥70
dB
16
Dimensions 210 ㎜（L）*48 ㎜（W）*45 ㎜（H）
17 Weight About 2800g
General Troubleshooting
No. Fault Failure Source
1 Can not powe on.
1）The socket is not elect ify galvanized.
2）The adapte is not well connected.
3）The adapte does not meet the equi ements。
2 SWR Ale t
1) The antenna is not well connected.
2) The antenna is not matched.
3) Too many eflection objections nea the antenna.
Tempe atu e Ale t
1) The cooling fan does not wo k.
2) The tempe atu e ises esulted f om unmatched antenna.
3) A blockage at in/outlet.
4 High SWR
1) The antenna is not well connected.
2) The antenna is not matched.
3) Too many eflection objections nea the antenna.
5 Sho t t ansmission
ange
1) Too much loss on the coaxial cable.
2) Ope ating in ext eme su oundings.
3) Ope ating at low powe .
4) The antenna is set not highe enough.
5) The antenna is not matched.
6) The eceive is not sensitive。
6 No powe out 1) The t ansmitte is set at low powe
2) The t ansmitte is on standby.
7 Audio silent 1) The t ansmitte is set mute.
2) Audio in is not no mal.
www.fmtron.com

CZH-T501 FM Transmitter User Manual
Revised by BG7CR on Dec-1
st
2012. Any question please send email to littleshi [e-mail]
Please visit ou website http://www.108MHz.com fo mo e p oducts.
8 Mic ophone silent
1) Mic ophone is not no mal.
2) Mic ophone is set mute.
3) Mic ophone is not elect et condense .
9 Poo sound quality
1) Poo quality of mic ophone.
2) Poo quality of audio sou ce.
3) The antenna is not set co ectly.
4) Audio line in o volume is not set ightly.
About Us
We a e a p ofessional company focus on RF technology esea ch and development, specialized in
p ofessional fm t ansmitte ! Ou fm t ansmitte s a e ideal equipments to build you own b oadcast station,
especially used in campus, facto ies, fa ms etc. Please be assu ed, we p ovide you afte -all se vices and
technical suppo ts! Any questions can be sent to: littleshi [e-mail].
[email protected]