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Operating Instructions

1. QkHz Page 5 REDBACK A 2702A AM FM RDS Tuner REDBACK A 2702A AM FM RDS Tuner REDBACK A 2702A AM FM RDS Tuner This product for 12 months from date of purchase from its resellers to the consumer If this item is part of an installation or another product please contact the installer or supplier for your warranty During the warranty period we undertake to repair or replace your product at no charge if found to be defective due to a manufacturing fault The warranty excludes damage by misuse or incorrect installation i e failure to install and operate device according to specifications in the supplied instruction manual neglect shipping accident or no fault found nor by use in a way or manner not intended by the supplier For repair or service please contact your PLACE OF PURCHASE It is at manufacturer discretion as to whether the goods will be repaired or replaced whilst under warranty and as to whether identical goods will be used to replace the item due to changes of models products Note Under no circumstances should you attempt to repair the device yourself or via a non authorised service centre as this will invalidate the warranty Our goods come with guarantees that cannot be excluded under the Australian Consumer Law You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired
2. The tuner will jump directly to this exact position on the dial in either the AM or FM bands E G Press DIRECT enter 9 3 7 0 for frequency 93 70 MHz station and press DIRECT again If the user enters fewer numbers than required then when you press DIRECT it will not accept it If the input frequency is beyond the tuner s range the LCD will display the error message ERROR Page 3 REDBACK A 2702A AM FM RDS Tuner AUTO SEARCH MEMORY ASM For those looking for a quick and easy solution to capture all the readily available stations in a region use the ASM function Press the ASM button on the front panel or the remote control for three seconds The tuner will search the frequencies across the selected band and automatically store the strongest received signals into the preset memories The ASM function scans from the lowest to highest frequencies in the band and stores the transmitting frequencies that it finds into the device s memories in sequential ascending order I E the lowest frequency will be stored in Memory 1 the next lowest will be stored in Memory 2 and so on The scan and store function will replace previously stored frequencies and overwrite the channel memories so far as is needed to capture and save the stations the tuner can detect E G If ASM cap tures 20 FM channels it will overwrite and replace the memories for stored CHO1 20 and leave CH21 30 untouched After the ASM function has completed it
3. frequencies found in memory 12 MO ST Mono Stereo change between mono and stereo mode for FM radio tuning OT BS CO Ea REAR PANEL INPUT OUTPUT 1 AM Antenna Insert wires from AM loop to facilitate fine tuning on AM frequencies 2 FM Antenna Insert PALtype connector from antenna wire to improve FM reception 3 L amp R RCA output sockets for stereo line level audio connection to external amplifier 4 Power Socket for approved IEC 240Va c mains power cord Page 2 A 2702A AM FM uner REMOTE CONTROL FUNCTIONS 1 1710 0 Numeric keys for frequency tuning and memory storage locations 2 DOWN Tune frequency in decreasing numerical value 3 UP Tune frequency in increasing numerical value 4 BAND Switch between AM and FM bands 5 DIRECT Tune to a specific station using the numeric keys to enter the frequency 6 SLEEP Sets the duration for the playback timer that counts down the minutes to power standby 7 DOWN Scroll down through the Memory presets 8 ME UP Scroll up through the Memory presets 9 MEMORY This button can store a station frequency into a Memory preset number 10 ASM Auto Search Memory Automatically scans the entire band AM or FM and stores the strongest frequencies found in memory 11 MO ST Mono Stereo change between mono and stereo mode for FM radio tuning 12 MUTE Press to turn audio off and on Volume level is
4. INFORMATION These are the codes that are decoded by the RDS function in this tuner PS Program Station PTY Program Type RT Radio Text CT Clock Time functions If an FM station is not transmitting RDS codes then when you press the RDS button on the remote control the bottom line of the LCD will show PS NONE PTY NONE RT NONE and CT NONE SPECIFICATIONS General Phase Lock Loop PLL synthesized digital tuning saaa EEE R E EEA AA AAAA AAAA AM 10 FM 30 FM 75 unbalanced antenna terminals AM loop antenna terminals RCA stereo audio Liquid Crystal Display LCD two lines of 16 characters each backlit Power supply 230Va c Power consumption DOVA 2 35kg Dimension 482mm X 44mm X 185mm 1 Rack unit height Output Screen Electrical performance FM section only one FM band Frequency range Sensitivity AM Suppression Adjacent Channel Selectivity Image Rejection Audio Stereo Separation Audio Output Voltage Audio S N N Audio THD FM step Frequency 87 5 108 0MHz AM section only one AM band Sensitivity 52uV emf Frequency range 522 1710kHz St D LS QURE
5. REDBACK A 2702A AM FM RDS Tuner A2702A AM FM RDS TUNER Operating Instructions Revision 22 11 2013 REDBACK A 2702A AM FM RDS Tuner INTRODUCTION This radio tuner is a 1RU rack mountable device with a sleek design and a symmetrical layout of buttons across the front panel The stylish two line LCD screen displays essential information in both the AM and FM modes This receiver uses pre cision Phase Lock Loop PLL synthesized digital tuning technology and is sensitive to the weakest signals when connected to appropriate antennas IN THE BOX Radio Tuner 1RU Remote Control IEC Power Cord AM Loop Antenna RCA stereo cable 1 5m Instruction Manual Consult place of purchase if missing FRONT PANEL FUNCTIONS POWER Master ON OFF Switch 1 10 0 Numeric keys for frequency tuning and memory storage locations DOWN Tune frequency in decreasing numerical value UP Tune frequency in increasing numerical value BAND Switch between AM and FM bands DIRECT Tune to a specific station using the numeric keys to enter the frequency SLEEP Sets the duration for the playback timer that counts down the minutes to power standby ME DOWN Scroll down through the Memory presets ME UP Scroll up through the Memory presets 10 MEMORY This button can store a station frequency into a Memory preset number 11 ASM Auto Search Memory Automatically scans the entire band AM or FM and stores the strongest
6. her the front panel or the remote control and the sleep playback timer will activate and show SLEEP 90 MIN on the top line of the LCD The sleep timer begins from 90 minutes and with each press of the SLEEP but ton decreases the timer in 10 minute steps with 10 minutes being the shortest sleep timer period The sleep time will flash for five seconds and then select the last time that was displayed and start counting down to zero with the radio playing the tuned frequency The unit will automatically power off to standby once the countdown timer reaches zero When active the remaining SLEEP time will be displayed on the top line of the LCD and it will only be removed momentarily by pressing the MO ST button The sleep function is cleared if the SLEEP button is pressed when the sleep timer is showing the minutes remaining without flashing on the top line of the LCD Once the unit is off press SLEEP again to power the unit back up SLEEP 90 MIN will again appear on the LCD and can be deactivated as described above NOTE AM radio is only broadcast in mono in Australia Some low power FM stations especially those with frequencies 88 MHz and below are also only broadcasting in mono You cannot force a mono only transmission to be received in stereo If the FM stereo signal is weak the unit automatically enters mono mode and MONO is displayed on screen This tuner does not have a signal strength indicator light or bar on the LCD RDS
7. or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure NOT FIELD SERVICEABLE Page 6
8. r button STORING OR ACCESSING MEMORIES ABOVE NUMBER 10 To access FM preset memories above 10 use the ME UP button on the front panel or use the 10 button on the remote control When you are on a preset station pressing the 10 button will add 10 to that preset memory number and trans port the tuner to the frequency of a new memory that is 10 channels up Press the button again and jump up another 10 memory locations E G If preset memory is showing CH04 press 10 button once to get to CH14 and again to jump to CH24 and again to get to CH30 the last FM preset memory Furthermore pressing the 10 button on the remote control for two seconds will allow the user to input a channel number between CHO1 and CH30 Press and hold 10 button for two seconds and the CH_ _ will appear on the right side of the LCD Enter the numbers for the two blank spaces and the tuner will immediately transfer to that memory preset number E G 10 gt CH__ gt 2 3 Preset Memory 23 If a user activates the 10 button and does not enter two numbers within five seconds it will deactivate the function and maintain the existing channel status When storing an FM frequency in a channel memory location between CH11 and CH30 follow the 10 procedures to se lect the channel number you want for that station Page 4 REDBACK A 2702A AM FM Tuner SLEEP FUNCTION Press the SLEEP button on eit
9. retained MUTE flashes on LCD 13 10 Use this button to activate FM stations in memory locations higher than 10 14 RDS Changes the RDS Radio Data System code information shown on the LCD for FM stations that transmit RDS OPERATION TUNING A FREQUENCY MANUAL TUNING Use the UP or DOWN buttons on the front panel or the remote control to manually tune to a desired frequency Every time the UP or DOWN button is pressed once the radio frequency is changed by 0 05MHz steps for FM and 9kHz steps for AM When either the UP or DOWN button is pressed and held for two seconds the automatic tuning starts The scan will stop as soon as it locks onto a viable station frequency TUNING A FREQUENCY DIRECT TUNING The quickest way to tune to a known station is to enter the frequency numbers directly This can be achieved using the DI RECT button on the front panel or the remote control Press the DIRECT button once If you fail to enter any numbers within three seconds the function will deactivate and the tuner will retain its current channel status Use the number buttons to enter a station frequency to fill the blank spaces on the LCD There are five blanks spaces for FM and four blank spaces for AM tuning FM frequencies below 100 10MHz have only four places and AM frequencies below 1008 kHz have only three places and the direct tuning function is programmed to account for this Press DIRECT again to confirm the frequency entered
10. s task it is still possible to replace a stored frequency in a memory with a new fre quency See below for instructions on using the MEMORY function to save frequencies STORING A FREQUENCY IN MEMORY The FM band has 30 preset memories assigned to it The AM band has 10 preset memories These memory locations are shown on the far right side of the tuner LCD as CHO1 CHO2 CH30 To save a favourite station frequency and thereby make it easy to recall at a later time use the MEMORY function on the front panel or the remote control to store the station frequency to any of the preset memories Here are the steps Tune to a preferred station frequency on either AM or FM band Press the MEMORY button to allow the frequency to be recorded The CHOL will flash in the memory mode until channel memory number is entered You have five seconds within which to enter two numbers for your chosen preset memory loca tion into which your tuned station frequency will be saved Press the number key on the front panel or on the remote control to select the channel number to which the station fre quency will be allocated 01 30 for FM and 01 10 for AM You can also use the ME UP button to select a channel number to be used to store a frequency Press MEMORY button again to store the frequency to that channel memory preset Once stored it can be recalled whenever you desire to listen again to that station just by pressing that numbe

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