User`s Manual
Contents
1. User s Manual TX 300V Studio Transmitter SS ee E Y TT e 0 Oe nem PHONAK INPUT LEVELS MIXLEVEL CONTOUR A TEST TONE CHANNEL SELECT PHINAK communication systems Phonak Communications AG Laenggasse 17 3280 Murten Switzerland T 41 0 26 672 96 72 F 41 0 26 672 96 77 info phonakcom ch www phonakcom ch TX 300V Studio Transmitter Phonak Part Number Package Contents 116 1938 TX 300V Studio Transmitter Power Supply User s Manual Telescoping Antenna Radials 2 Antenna Mounting Assembly Optional Accessories 50 Ohm Coaxial Cable 7 6m i Rack Mount Kit part number 116 1940 see page 14 S Wei ei tc ef ei iD ei gt gt Phonak and the Phonak Logo are registered trademarks of Phonak Communications AG TX 300V_2006_01 20 2006 Phonak Communications AG All Rights Reserved Table of Contents Specifications ee an ee 4 Block Diagramm as ee a ae a aan re 5 Quick Reference cis nern 6 Setup Instructions u pasan dan dead 7 Operating Instructor id ata ci n 9 Audio Control Vermeer da dees 9 RF Reception Maximization Strategie 10 Troubleshooting citar td Aa 11 Compliance Notice Ketter Bern ses aueh 12 KE EE 13 Optional Accessori mein dade ernennen 14 4 DI or 99 el gt N fe Wu gt et u Specifications Frequency Accuracy 005 sta bility 0 to 50C Transmitter Sta bility 50 PPM Output Power 50mW 12. Input 1 and 2 adjust the level of toggled on and off by pressing the channel select Up one input using the VU meter then adjust the output button level of the other audio source Adjust the input level until the left VU meter s occasionally illuminate the i We LED lit when Process red LEDs Illumination of the red LEDs indicates the is enabled unit is in limiting Limiting is required so that the unit does not over modulate the transmitter If you don t PROCESS pi want any audio limiting to occur make sure the red LEDs never illuminate If you want a highly limited signal turn the audio gain up so the red LEDs illuminate often TEST TONE RF Reception Maximization Strategies Q Q ed U W I cc LL cc For proper and dependable operation Phonak receivers need to receive a strong and consistent signal from the originating transmitter The following strategies should be used to maximize this signal 1 When designing and installing your system keep in mind that the location of the transmitting antenna is critical to maximize broadcast range 2 Eliminate or minimize obstructions between the transmitter and receiver s Minimize the distance between the transmitter and receiver s Move the transmitting antenna away from metal or conductive objects Place the transmitting antenna as high as possible Orient the transmitting antenna vertically Position the RF Power switch on the
3. back of the TX 300V to full RF Power unless lower power is necessary see page 7 SO eS 8 Extend radials to the correct length for selected frequencies see page 8 CAUTION When installing antennas ensure the antenna is clear of power lines TX 300V Troubleshooting The TX 300V has no power Make sure the power transformer is connected to a power source and is connected to the jack marked Power Input Make sure the POWER button is pressed in There is no audio or the audio level is too low Make sure that your audio source is properly connected to Input 1 and or Input 2 The Input 1 or Input 2 switches must be in the correct position for the appropriate input level For example if you are using the output of a mixer on Input 2 the switch should be in the 10dBu position If it were to be in the 10dBu position the level would be too low Also check the Input knob to ensure it is properly adjusted You should be able to see the VU meter deflect on Input 1 or Input 2 corresponding with the input level of the audio source You can listen to the audio source by connecting a headset to the front panel jack and adjusting the Monitor volume control If the level of audio into the transmitter is low and can t be corrected using the level input switches the audio processor can be turned on to boost the signal see page 7 to set page 9 for description of Process Mode The audio is distorted Check to make sure you have the in
4. line power supply Power Supply Input 115 230VAC 50 60Hz Power Power Supply Output 12VDC 1 3A Power Supply Connector 5 0 mm 02 in 2 5 mm OD x 01 in ID barrel type Compliance CE UL EEN Dimensions W xD xH 20 3 x 20 x 4 45 cm 8 0 x 8 0 x 1 75 in Unit Weight 1 4 kg 3 0 Ibs Physic al Unit Weight with Power Supply 2 0 kg 4 4 lbs Shipping Weight 2 kg 5 0 Ibs Rack Mounting Y rack unit optional rack mount not included Order Phonak part number 116 1940 AAA EE Temperature Operation 10 C 14 F to 406 140 F Environmental Temperature Storage 20 C 4 F to 508 122 F Humidity Oto 95 relative humidity non condensing TX 300V Block Diagram RS 232 DB 9 Connector Programming CHANNELSELECT Universal 115 230VAC Power Supply gt O 50 60 Hz included 12VDC 1 3A Power Supply CPU Module o o oon Le Phonak LCD Display Remote Antenna included A l d Transmitter RF Pre emphasis MONITOR MIX Level VU Meter Compression Ratio internal adjustment 2 Processing Di Modulation ANTENNA Low O Mid r Functions controlled by the CPU Module RF POWER Green MS MIX LEVEL mm On O off PROCESS 4 CONTOUR Input 1 VU Input 2 VU Meter Input Level POT Front Panel Input Level Selec
5. the two radials to the antenna mounting assembly 4 Install the antenna mounting assembly in desired location preferably high on a wall away from any metal objects and with minimal obstuctions between antenna and location of receivers and orient ground side down ward as indicated on the plastic housing 5 Connect the RG 58 50 Ohm coaxial cable to the BNC connectors on the antenna and on the transmitter TX 300V Operating Instructions a Power Unit On Adjust Contour Sp LA e el lt O O Wu DI er O gt Turn power on by pressing the power button Adjust the Contour knob counterclockwise if your audio source is mostly EN Select a Channel voice Adjust the knob Select the transmit channel by pressing the channel clockwise if your audio select UP and DOWN buttons source is mostly music Ange SH The Contour knob adjusts aaa SXI Ow the relative equalization of j q vie cowo the unit This equalization oo OY e boosts or cuts frequencies above 5 kHz Channel Select UP and DOWN buttons Adjust Mix Level Adjust the mix level until the right VU meter occasionally Lock on Channel illuminates the red LED This Once you determine your transmit channel you can is the level adjustment for the lock the transmitter on that channel To lock a combined output from Input 1 channel hold the Channel Select and Input 2 Up button for 3 seconds until the padlock icon appears
6. 00mW 300mW Actual power for each frequency set by Phonak RF Antenna Dipole Antenna Included with Transmitter Antenna Connector BNC Compliance FCC Part 15 Industry Canada RoHS a zz FF System Distortion lt 2 total harmonic distortion THD at 80 deviation Audio Input 1 Rear panel Female XLR and phone combo connector balanced 0 55 dBu line mic nominal input level adjustable Audio Audio Input 2 Rear panel 2 Phono connectors unbalanced 10 10 dBu nominal input level adjustable 30 dBu maximum impedance 100k ohms Combined Audio Output Mix Rear panel 2 Phono connectors unbalanced O dBu nominal output level 19 dBu maxi mum impedance 10 ohms Headphone Output Front panel 1 3 5 mm connector unbalanced adjustable output level AA AAA EEE Front Panel Power Test Tone on off Channel up down Input Level Mix Level Contour Headset Level RearPanel Input 1 Level Line Mic Mic Phantom Power Input 2 Level 10 10 dBu RF Power low Controls mid high Intemal Adjustments Compression ratio foraudio processor Progra mming Processing on off Input 1 and Input 2 MixVU Meters 8Green 2 Red Processing Indicated by a green LED when on 8 RF Power Indicated on the LCD Display Indic ators mmer mm Power Red LED illuminates when the unit is powered up LCD Display Channel designation lock status RF Power Level programming Test Tone Red LED illuminates when test tone enabled a he a E aes E E an Power Supply Type In
7. 0A Set RF Power Set the RF POWER switch on the back of the unit to Full or Level is indicated on the LCD display The amount of transmitted RF power that you will need depends on your application If you are operating mul tiple transmitters in the same environment it is best to set the transmitter s output power to its lowest level to reduce the possibility of interference vi CH PHONAK 5 Full Power 1 2 Power 1 4 Power Connect Audio Inputs The TX 300V has two audio input options Input 1 and Input 2 Input 1 is a balanced connection using either an XLR or phono connector Input 2 has two unbalanced mixing phono connectors Use Input 1 if you are using a microphone or if you have a balanced connection such as from a professional audio mixer you can also use Input 1 for unbalanced connections Use Input 2 to connect to an unbalanced audio source Input 1 Connect the audio source s to one or both audio input connections Input 1 offers a choice of a balanced XLR or phone connector INPUTI MIC PH PWR Line RIAS Back of TX 300V with XLR connected to lt Input 1 INPUT1 E Mic o E INPUT1 Mic with E Phantom y E Power Plug your microphone into Input 1 and move the input select switch to Mic for dynamic microphones or Mic PH Power for condenser microphones Phone Wirin
8. balanced Input 2 Set switch to phono connectors and the match the level of your output level is 10dBu Input 2 audio source Serial Port Used for programming INPUT 50 Ohms RF POWER 15VAC 1AMP Set RF Power level here Y Ya and Full See page 7 for guide Input 2 Connect unbalanced lines on setting power levels The power supply audio to these phono connec tors input level 10dBu or connects here 10dBu information Input 1 Used for balanced connection of a microphone or line level input This combination connector accepts either X LR or phone connectors Select Line Mic or Mic Phantom Power Line is balanced 0 dBu input level Mic is 55dBu 12V DC supplied in PH PWR position If not using input 1 leave in line position TX 300V Studio Setup Instructions Unpack the Product Remove outer packaging and plastic cover Inspect for physical damage Mount in Rack if necessary If rack mounting the unit install the optional rack mount kit part 116 1940 according to the instructions included with the kit then install the TX 300V in the rack Rack M ount with single unit installed Connect Power Plug the power supply into the power connector on the back panel then plug the power supply into an outlet Use only the original power supply AC Adaptor Input 115 230VAC 50 60Hz and Output 120VDC 1 3A Model SP48 15100
9. g XLR Wiring Sleeve N Input from Balanced Unbalanced Audio Audio Adam Source Source Tip Ring TOM Tip Ring Sleeve Balanced Unbalanced Audio Audio Source Source Input 2 Plug your unbalanced audio source into Input 2 and select the audio level switch for 10dBu or 10dBu to match the audio level coming from your equipment MIX or INPUT 2 dn1as TX 300V Setup Instructions continued Antenna Installation reese Your TX 300V Studio Transmitter Set includes a remote antenna that features two adjustable length radials Extending these radials to the correct length is extremely important for the system to achieve maximum E I a oO OU gt Les 42 G O U e 09 transmission range d KE Use the following process to determine how long to set your antenna radial lengths 1 Determine the average of the highest and lowest frequencies you will use with this transmitter Example If you are going to use 182 50 MHz and 186 250 MHz then take the average of 182 50 186 250 and then divide by 2 184 375MHz 2 Divide 7500 by the average frequency in MHz then subtract 5 from this result The solution to this equation is the length in centimeters to set your radials to Example 7500 184 375 40 68 40 68 5 35 68cm radial length 3 Extend the two adjustable length radials to the calculated length Example 40 68 centimeters Screw
10. laration of Conformity Compliance Notice Phonak Communications AG Laenggasse 17 CH 3280 Murten confirms that the Studio Transmitter TX 300V corresponds to the standards EN 300 422 EN 300 454 EN 301 489 1 9 and FCC 47 C F R Part 74 including all necessary annexes Please check with your local Phonak distributor if you need a license from your local regulatory agency to operate the system This transmitter may only be used to provide auditory assistance to persons in studio stage and entertainment settings and persons with hearing disabilities Two way voice communications and all other types of uses not mentioned above are expressly prohibited Caution Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate Phonak equipment Recycling The symbol with the crossed out disposal bin indicates that equipment shall not be treated as household waste Please hand over your old or unused equipment to the applicable collection point for the recycling of electrical and electronic equipment By ensuring this product is disposed of correctly you will help prevent potential negative effects on the environment and human health Warranty e DI DI 2 lt Phonak offers you a comprehensive global warranty which becomes effective on the date of purchase Please ask your local Phonak distributor about the details and duration This warranty covers a
11. ny repairs due to defects in material and or workmanship The warranty does not cover damage from improper handling or care exposure to chemicals immersion in water or undue stress Damage caused by third parties or non authorized service centers renders the Phonak warranty null and void This warranty does not include any service performed by a local distributor in their office Serial number L Contacting Phonak Address Phonak Communications AG Web Site www phonakcom ch Laenggasse 17 3280 Murten Email techsup phonakcom ch Switzerland Phone 41 0 26 672 96 72 Fax 41 0 26 672 96 77 Rack Mount Kit gt Be O Kal un K U U lt E o D Q GG 116 1940 Rack Mounting Kit Includes components for single and dual rack configuration and a security cover 14 PHONAK communication systems Phonak Communications AG Laenggasse 17 3280 Murten Switzerland T 41 0 26 672 96 72 F 41 0 26 672 96 77 info phonakcom ch www phonakcom ch
12. on the Process Mode Process mode is used for Audio Gain Control AGC With the process mode enabled the TX 300V will Test Tone if necessary automatically adjust for inconsistent signal input levels by raising or lowering the signal level accordingly to display To unlock GC repeat this process and the padlock icon will disappear To broadcast a test tone press the test tone button This helps to test receivers when no audio source is provide a consistent sound output level This feature available should be used in applications where a consistent de sound level is important and the input levels vary fe r amp SH substantially Typically you would not want to engage O the Process Mode when a speaker s emphasis is critical oe nn to the message they are conveying Press Test Tone button here Your TX 300V has been shipped to you with process TX 300V Audio Control mode enabled To enable or disable process mode hold the channel select Down button for 8 seconds while the unit is on After 8 seconds the Adjust Audio Input Level unit will go into program mode Adjust the input knob counterclockwise to add gain and the program PGM icon will to Input 1 This will decrease gain to Input 2 Adjust appear on the LCD input knob clockwise to add gain to Input 2 This will decrease gain to Input 1 If you have two audio sources Once in the program mode the Process feature can be connected to both
13. put level select switches in the proper position You may be providing too much audio level for the input stage to handle There is hum in the audio Make sure you have properly grounded the audio source to the TX 300V Check the connections from the audio source to the TX 300V If you can try to use a balanced audio source this will reduce the chance of creating hum Connect a ground wire from the TX 300V to ground and or to the ground of the source audio There is atone The Test Tone button has been pressed its LED light is on Push the Test Tone button to turn off the tone The Audio Input 1 sounds tinny If you are using an unbalanced audio source make sure Pin 3 on the XLR or the ring on the phone plug is grounded I can pick up the signal on the receiver but it sounds like it s not tuned in Check to make sure the transmitter and receiver are on exactly the same channel It s a good idea to lock the channels once they have been set To lock theTX 300V press the UP button for a 3 seconds End users are adjusting the unit First lock the channel by pressing and holding the channel select UP button for 3 seconds Consider removing the Input Mix Level and Contour knobs You can order a rack mount kit part number 116 1940 from Phonak which offers a security cover that will limit access to the unit 11 ei D un DT el ei T Kej v Y ei zZ v Y A e ei U Compliance Notice Dec
14. t Line Mic Mic Phantom Pwr Mic Input 2 Level Select Phantom Pwr 10dBu 10dBu 10dBu Female XLR 14 O O Combo Connector 2 Tip 3 Ring 1 Sleeve NPUT 1 All switches are shown in their default positions Phone MIX OUTPUT Test Tone Button Front Panel TEST TONE 2 el ei ar Q D Ce D 5 v Y S Be Y cc x 5 Oo Quick Reference TX 300V Front Panel Controls amp Displays Indicates Process M ode is active u Indicates audio input LCD Shows Adjust audio input levels ec of Input 1 and Input 2 ns Inputland Shows mixed oe on audio level ee Monitor Port here See page 9 for more information CH PHONAK MIX LEVEL CONTOUR Plug in a headset and adjust volume 5 CHANNEL SELECT Power Test Tone Mix Level Adjustso Contour Equalization Channel Select U p Channel Select Down ON OFF Activates a tone to the M ix Level meter adjustment Turn counter Press for 3 seconds Press for 8 seconds to aid system setup occasionally lights clockwise for voice and to lock on current enter program mode the red LED clockwise for music channel See page 9 for more TX 300V Back Panel Connections amp Settings Remote A ntenna Connection See page 8 for details on Mix Output These connectors antennas that can be attached contain a mix of Input 1 and l here Input 2 They are un
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