SDA-15B User Manual
Contents
1. SDA 15B User Manual SDA 15B PC Control FM Transmitter User Manual Released by www 108MHz com on Jan 15 2012 Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual Important Maintenance can only be operated by authorized professionals Get lightening protection measures ready in thunderstorm weather Do not touch the antenna when the transmitter is powered on Do not power on the transmitter if the antenna is not well connected Do not use the transmitter under the explosive environment such as gas refueling station etc Do not use the transmitter in the extreme dusty damp or high temperature environment Be sure to comply with the rules released by the local radio administrations oS eS ee a SDA 15B is equipped with outdoor antenna when operating Do not allow to use L helical antenna when the power is above 1watt However L helical antenna can be used if the power is under 1watt Note that the transmitter only can be operated independently and do not connect the computer to operate with the software under this condition Index Features Configuration list Diagrams of front and back panel Function key definitions and comments Operating instructions Technical specifications General troubleshooting eye ee YY PC control software guidelines Features SDA 15B is the product which possesses of multiple functions reliable and steady performance simple2. it will enter into the protection setting interface 1 SWR protection set a At protection setting interface press A to enter into SWR protection setting b Press A V to set SWR value between 2 0 4 0 c Press 4 to confirm when you determined to operate at a certain SWR 2 Temperature protection set a At protection setting interface press V to enter into temperature protection setting d Press A Y to set temperature between 50 C 70 C e Press 4 to confirm when you determined to operate at a certain temperature Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual Note The temperature is set at 60 C by default and no needs to change 17 Restore to Factory default Press down A and connect the power supply then release A button the transmitter can be restored to factory default Below are factory default parameters ee SWR value Technical Specifications ee ee DC12V 16V DC15V recommended a f Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual Frequency deviation 75KHZ General Troubleshooting 1 The socket is not electrify galvanized Can not power on 2 The adapter is not well connected 3 The adapter does not meet the requirements 1 The antenna is not well connected SWR Alert 2 The antenna is not matched 3 Too many reflection objections near
3. comments FREQ Frequency Enter into Menu to adjust frequency when pressed down LOCK Lock Lock Release button when pressed down for 3 seconds WATT Power Enter into Menu to adjust frequency to adjust power o roor sow CA V Page up down menu or exit select stereo and press V to select Mono In main interface press A or Y to enter into the next Adjust A VY indicates increase decrease in all adjustments a When switch between mono stereo menu press A to switc aordi In main menu press it 3 seconds will enter into standby an Press it once again will be back to main interface Exit In all adjusting menu press it will exit to main interface 10 4 n In SWR temperature protection alarm status press it arm will enter into main interface Operating Instructions 1 Characters comments Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual sti Volume dynamic bar Display volume dynamically Note x indicates the number s indicates mute 2 The first page of main interface Operating frequency Temperature at aaa Transmit Power Stand Wave Ratio 3 The second page of main interface Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual Audio volume a a Volume Dynamic Bar Microphone volume To press A or VY to enter into the second page from the
4. main interface to check audio microphone volume Then press A or Y go back to the main interface Note At any interfaces it automatically goes back to main interface without actions for 30 seconds 4 Set Frequency 1 At main interface press FREQ to enter into the interface to set frequency 2 The frequency can be adjusted by A V from 87MHz to 108Mkz and the step is 100KHz 3 Press 4 to confirm when you determined to operate at a certain frequency 1 At main interface press WATT to enter into the interface to set power 2 The power can be adjusted by A Y from 0 3watt to 15 watts 3 Press 4 to confirm when you determined to operate at a certain power 1 At main interface press LINE to enter into the interface to set line volume 2 The line volume can be adjusted by A V from 1 13 3 Press 4 to confirm when you determined to operate a certain volume 7 Set MIC Volume 1 At main interface press MIC to enter into the interface to set microphone volume 2 The MIC volume can be adjusted by A V from 1 30 3 Press 4 to confirm when you determined to operate at a certain volume 5 Set Power 6 Set Line Volume Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual 8 Set Stereo Mono 1 At main interface press ST MONO to enter into the interface to switch between stereo and mono 2 Press A to set to ster
5. the antenna 1 The cooling fan does not work Temperature Alert 2 The temperature rises resulted from unmatched antenna 3 A blockage at in outlet 1 The antenna is not well connected High SWR 2 The antenna is not matched 3 Too many reflection objections near the antenna 1 Too much loss on the coaxial cable 2 Operating in extreme surroundings Short transmission 3 Operating at low power range 4 The antenna is set not higher enough 5 The antenna is not matched 6 The receiver is not sensitive 1 The transmitter is set at low power No power out 2 The transmitter is on standby A 1 The transmitter is set mute 7 Audio silent o 2 Audio in is not normal 1 Microphone is not normal Microphone silent 2 Microphone is set mute 3 Microphone is not electret condenser 1 Poor quality of microphone l 2 Poor quality of audio source Poor sound quality l 3 The antenna is not set correctly 4 Audio line in or volume is not set rightly Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual CM 108 sound card driver is not installed Please search l and install matched driver 10 DAC of no avail l USB cable is not connected or bad contact The media player is not open PC Control Software Guides When the transmitter is in normal working condition make USB male to male to connect the transmitter with the computer Open the executable fi
6. and fast operations and well structured in heat dissipation It has extensive applications in many areas based on these characteristics Main features are as follows Power adjustable from 0 3Watt to 15 Watt Power automatically locked Microphone reverberation ON OFF options Mono Stereo mode Optional Controlled by PC with software SDA 15B PC Control Makes better sound quality With DAC LCD displays operating frequency temperature power and SWR OLD ge YX MP SWR amp Temperature protection Goes automatic into protection state when antenna is not well connected matched or excessive operating temperature 9 Shortcuts keys simple and convenient to operate Configuration List Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual no Posen sean a onc a ormer fuor a e 3 pomeram pas a re a reca spam moro a e rs room fisme a ew rs rina anton e a Note Not all accessories are necessary Diagrams of front and back panel 1 Diagram of front panel FREQ WATT L CK ECHO ite weMuTTL aT MONG i PREMIUM SDA 15B ee e Function Key MIC Port Audio PC Control line in Interface Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual Function key definition and comment 1 Diagram of function keys FREQ WATT LOCK LINE MIC ECHO LINE MUTE MIC MUTE ST MONO aj 2 Function key
7. eo or Y to mono 3 Press 4 to confirm when you determined to operate at stereo mono 1 At main interface press down 4 for 3 seconds the transmitter will stop working and goes 9 Power on Standby into standby 2 Press 4 to go back to working status 10 Reverberation ON OFF At main interface press ECHO to enable reverberation ON OFF 11 MIC Mute At main interface press MIC MUTE to enable microphone mute ON OFF 12 Line Mute At main interface press LINE MUTE to enable Line mute ON OFF 13 Key Lock At main interface press down LOCK for 3 seconds to lock unlock all keys except LOCK key Http www 108MHz com Email Service 108MHz com littleshirely gmail com SDA 15B User Manual 14 SWR Alert When SWR exceeds the preset value the transmitter automatically cuts off the RF circuit for protection Please check trouble shootings and remove the problem Then re power on the transmitter or press 4 to enter into main interface but the transmitter will operate at 1watt Note Please use outdoor antenna when the power exceeds 1 watt 15 Temperature Alert When temperature exceeds the preset value the transmitter automatically stops working and goes into protection Please check trouble shootings for details Then Power on the transmitter when the problem is removed 16 Set SWR amp Temperature Press down and connect the power supply then release 4
8. le SDA 15B PC control and function keys on front panel are locked and then enter into PC software control state Please check PC Control Software Guides for details ABOUT US We are a professional company focus on RF technology research and development specialized in professional fm transmitter Our fm transmitters are ideal equipments to build your own broadcast station especially used in campus factories farms etc Please be assured we provide you after all services and technical supports Any questions can be sent to littleshirely gmail com Http www 108MHz com Email Service 108MHz com littleshirely gmail com
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