RFS 700 CTCR-711 User Manual
Contents
1. ONFLRENE SUSTEMS Now you will no longer be able to select Channel 002 from the channel selection menu You may try this out by pressing the SET button once and using the up ordown button to scroll through the available channels frequencies If you press the up button when on Channel 001 you should then see CH 001 CH 003 625 000M 625 500M You may use the same procedure to unlock a channel As an example we now want to unlock Channel 002 Assuming that you have already pressed the SET button three times to enter the channel lock unlock menu press the up ordown button to scroll to Channel 002 When Channel 002 appearson the screen pressthe SET button so that the word DELETED is replaced by the word SELECT Release all buttons and wait forthe default screen to appear Close the battery compartment Complete setup Tum the CT 711 transmitter over so that the LCD screen is face down Press the tabson the back of the unit down into the locked position Tabs up in unlocked position Tabs down in locked position www conferencesystems com Connect microphone Tum the CT 711 transmitter so that you can see the top of the unit mm MICROPHONE FF E ON OFF Set the microphone switch to ON During operation you may set this switch to OFF whenever you wish to mute your microphone Locate the MC 16 lavalier microphone Note that the MC 16 isthe standard micr2. 5 Select battery type 6 Select transmission channel frequency 7 Lock and unlock channelyfrequencies 8 Complete setup 9 Connect microphone 10 Position belt clip 10 Check battery level 11 Transmission radius 12 Operate more than one transmitter 12 CR 711 Receiver Setup and Operation 13 Identify and locate 13 Adjust volume knob 13 Install battenes 13 Select battery type 14 Select receiving channel frequency 15 Lock and unlock channels frequencies 16 Scan available channels frequencies 17 Enable ordisable auto off 19 Complete setup 19 Connect earmhone 20 Position belt clip 21 Check battery level 21 Transmission radius 22 Adjust squelch level 22 Troubleshooting 22 Other Optional Components and Accessoneg 29 Warranty and Repair Information 30 Compliance Notices 30 www conferencesystems com Important Safety Information Permitted and prohibited battery types Note that only alkaline or nickel metal hydnde NiMH battenes may be installed inside the CT 711 transmitters and CR 711 receivers Installing any other battery type may cause damage physical harm and or fire In addition selecting the incorrect battery type from the battery selection menu may
3. CONFERENCE I SUST lt MS RFS 700 User Manual Portable Wireless RF Radio Frequency System CT 711 Transmitter CR 711 Receiver e TourGuide e Assistive Listening e Simultaneous Interpretation e Distnbuted Audio conferenc esystems com 2011 Conference Systems AsAmenca s premier provider of state of the art conference technology for over 30 years Conference Systems offersa unique blend of product salesand rental servicesto meet and exceed your highest expectations Conference Systems provides technical and innovative solutions for boardrooms conference centers lecture halls classrooms training facilities walking tours indoors and or outdoors legislative govemment facilities and courtrooms Please contact usto leam more about the many waysthat we can make yourevent everything you imagine it to be GES Conference Systems 12910 Clovereaf Center Drive Suite 100 Germantown MD 20874 USA 1 240 404 0549 Product Sales 1 240 404 0599 Technical Support 1 301 519 0384 Repair Service 1 866 614 7574 Toll Free 1 301 330 9090 Intemational Sa les c onferenc esystems com support onferencesystems com www c onferenc esystems com SI Contents Important Safety Information 4 Permitted and prohibited battery types 4 Preventing damage to earsand heaning 4 CT 711 Transmitter Setup and Operation 5 Identify and locate 5 Install battenes
4. MICROPHONE ON OFF Install battenes Tum the CT 711 transmitter over so that the LCD screen isface down If the tabs are down in the locked position pull the tabs up towards you into the unlocked position Tabs down in locked position Tabs up in unlocked position Cover release buttons pee www conferencesystems com Install two 2 AA battenes inside the CT 711 transmitter Note that only alkaline or nickel metal hydride NiMH battenes may be installed inside the CT 711 transmitter Installing any other battery type may cause damage physical harm and or fire Attempting to charge the CT 711 transmitter with any battery type other than nic kel metal hydride NiMH may result in damage physical ham and or fire Match the polanty markings and on the battenes with the polanty markings and inside the battery compartment Leave the battery compartment open and move on to the next step Select battery type Locate the power button on the side of the CT 711 transmitter to the left of the LCD screen pa Pressand hold the power button until something appearson the LCD screen The default display when the unit amvesto you brand new is as follows CH 001l Press and release the SET button twice in orderto enterthe battery selection menu Use the up or down button to move the arow on the screen next to the appropriate battery type 0 NIMH O AKLN lt GE SET button Sele
5. 711 or CR 711 to plug in the adaptercable Storage and maintenance with NIMH battenes e NIMH nickel metal hydnde rechargeable battenes must be installed inside the CT 711 transmitters and CR 711 receivers before attempting to charge either type of unit Attempting to charge the CT 711 transmitters and CR 711 receivers with any battery type other than NiMH may result in damage physical ham and or fire The correct battery type NIMH must be selected from the battery type selection menu see page 6 to prevent damage physical harm and or fire Charging Port Cover e When the CT 711 and CR 711 units are charging the LED indicator on the top of the unit will tum steady red The LED willtum green once the charging cycle Is complete The LED will tum off once the unit is removed from the HC 32 e You may charge CT 711 transmitters and CR 711 receivers with NIMH battenes installed inside with either the HC 32 charger or HC 316 charging carrying case ONFLRENE 24 SYSTEMS www conferencesystems com 25 If the red LED flashes during the charging process make sure that the unit CT 711 or CR 711 is firmly seated in the HC 32 charger If charging a unit via the adapter cable ensure that the adapter cable is firmly seated in both the unit CT 711 or CR 711 and the HC 32 charger If the red LED continues to flash this may indicate that the NIMH battenes have reached the end of their life cycle and need replacing Note t
6. both the CT 711 transmitter and CR 711 receiver to a different channel frequency Ensure that you switch both units to the same channel frequenc y e Ensure that the battery level isat 100 on both the CT 711 transmitter and CR 711 receiver CH 001 TTT TTT Battery level at 100 CH 001 a 1 Se e Ensure that the earphone or headphone plug is firmly seated in the CR 711 receiver e Ensure that the microphone plug is firmly seated in the CT 711 transmitter If using any y cables or adapters ensure microphone plug is firmly seated in the y cable and or adapter Then ensure adapter is firmly seated in CT 711 transmitter e Ensure that antennas mounted on top of the CT 711 transmitter Battery level below 50 and CR 711 receiver are not loosened When I power down the CT 711 transmitter hear static when listening with an earphone or headphones connected to the CR 711 receiver e Adjust the squelch level see page 22 www conferencesystems com 23 Storage and maintenance HC 32 charger e Identify and locate the HC 32 charger Storing accessones e Alwaysdisconnect microphonesor headsets from the CT 711 transmitters and earphonesor headphones from CR 711 receivers before storing these units e Nevertightly coilorknot the cordsof microphones headsets earphones or headphonesand never wrap these cordsaround the CT 711 transmitters or CR 711 receivers Doing so may cause the wires insi
7. ordown button to scroll to Channel 002 625 500M When Channel 002 appearson the screen pressthe SET button so that the word DELETED is replaced by the word SELECT Release all buttons and wait forthe default screen to appear Close the battery compartment Scan available channels frequencies Press and release the SET button fourtimesto open the channel frequency scanning menu The following screen will appear SCAN UP SCAN DW This menu will allow you to scan through any unlocked channels i e channels visible in the channel selection menu See page 16 for instructions on locking and unlocking channels frequencies Press and release eitherthe up ordown button The CR 711 receiver will scroll through all unlocked channels frequencies stopping on the first channel from which it detectsa signal Asan example we have set the CT 711 transmitter to Channel 001 We enter the channel frequency scanning menu on the CR 711 receiver by pressing and releasing the SET button four times We then press either the up ordown button The CR 711 transmitter will scroll through all unlocked channels frequencies The CR 711 transmitter will stop scrolling when it reaches Channel 001 and you will see the following screen MCH OO www conferencesystems com 17 18 You may also use this feature to try to prevent potential interference by following the below steps Power down the CT 711 transmitter by pressing and hold
8. 11 receiver amivvesto you brand new CH 001 625000M Press and release repeatedly or press and hold the up ordown button to scroll through the available channels Stop scrolling once you reach your desired channel You must match the channel frequency that you previously selected on the CT 711 transmitter If you are operating more than one transmitter see page 12 you must take care to match the channels frequencies on your CR 711 receivers to the appropnate transmitter Release all buttons and wait forthe default screen to appear ASan example we selected Channel 001 on the transmitter and receiver The following screen appeared a few secondsafter we released all buttons MCH O0 CLLLLLLIL Note that availability of channels frequencies is subject to frequency traffic and orregulationsin your area The speaker symbol will appear on the LCD screen of the CR 711 receiver if it is receiving a signal from the CT 711 transmitter www conferencesystems com 15 Lock and unlock channels frequencies 16 The word SELECT listed undemeath a channel indicates that the channel in question is unlocked The word DELETED listed undemeath a channel indicates that the channel in question is locked A channel that is unlocked willbe available in the channel selection menu A channel that is locked will not be available in the channel selection menu The default channel lock unlock menu when the CR 711 receiver a
9. aterial for protection during shioment Specifications CT 711 and CR 711 Specs LCD for display of channel selection battery status and menu options Up to 100 selectable channels Auto scan to find channels CR 711 only Squelch Control with 10 preset levels to adjust RF reception CR 711 only 360 rotating belt clip Built in charging circuit RF Generation and control PLL Synthesizer Frequency Range 625 to 650 MHz Switching Bandwidth 25 MHz Channel Gnd 250 KHz Modulation FM Peak Deviation 40 KHz Compander SA575 AF Frequency Response 80 Hzto 15 KHz 3dB AF Output 1 2V CR 711 only THD at 1 KHz lt 0 5 C R 711 only Connector mini XLR CT 711 only Connector 3 5mm 1 8 in CR 711 only Nominal Supply Voltage DC 3V Current Consumption 120 mA Battery AA x 2 Alkaline or NIMH Dimension in 7 48 L x 2 56 W x 1 38 H Weight oz 3 42 www conferencesystems com 27 MC 16 Lavalier Microphone Type Electret condenser microphone Directivity Uni directional Impedance 1KQ at 1 KHz Sensitivity 60 dB 0 db 1V Pa at 1KHz Frequency response 80 16 000 Hz Operation voltage 1 5 10V Current consumption lt 0 5 mA S N ratio 2 60 dB Connector mini xlr socket DE501 Delegate Eamhone Gg HC 32 Charger Type Dynamic Open Ear coupling Supra Concha Open Back Impedance 320 Frequency response 30 Hzto 14 KHz Sensitivity 98 dB Rated input power 1 5 mW Maximum input p
10. ct NIMH for nickel metal hydnde NiMH battenes or AKLN for alkaline battenes Note that only alkaline or nic kel metal hydride NIMH batteries may be installed inside the CT 711 transmitter Installing any other battery type may cause damage physical harm and or fire In addition selecting the inconect battery type from the battery selection menu may result in damage physical harm and or fire Attempting to charge the CT 711 transmitter with any battery type other than nic kel metal hydride NiMH may result in damage physical harm and or fire Once you have selected the appropnate battery type release all buttonsand wait forthe default screen to appear CH OQ Select transmission channel frequency Press and release the SET button once in orderto enterthe channel frequency selection menu The following isthe default display of the channel selection menu when the CT 711 transmitter a mives to you brand new CH 001 625 000M Press and release repeatedly orpressand hold the up ordown button to scroll through the available channels Stop scrolling once you reach your desired channel Release all buttons and wait forthe default screen to appear Asan example we selected Channel 001 and the following screen appeared a few seconds after we released all buttons CH OQ Note that availability of channels frequencies is subject to frequency traffic and orregulationsin your area www conferencesystem
11. de these cordsto become disconnected and may cause the mic rophones headsets earphones or e You may charge up to two units CT 711 transmitter CR 711 receiver headphonesto become non functional using the HC 32 e Ensure that only NiMH battenes are installed inside the CT 711 and CR 711 Storage and maintenance with alkaline battenes a oc e litisrecommended that you install fresh alkaline battenes inside CT 711 e Ensure that the correct battery type is selected from the battery type selection transmitters and CR 711 receivers at the beginning of the day before your menu see page 6 meeting or event starts e Powerdown the unit CT 711 CR 711 by pressing and holding the red button e Powerdown the CT 711 and CR 711 units by pressing and holding the red on the left side of the unit until nothing is displayed on the LCD button on the left side of the unit until nothing is displayed on the LCD e Plug the AC powercord into the DC in slot of the HC 32 charger e Place the unit CT 711 or CR 711 into the slot of the HC 32 charger e Remove alkaline batteries from CT 711 transmitters and CR 711 receivers e You may plug a second unit CT 711 or CR 711 into the charging socket on before stonng these units for penodsof longerthan 24 hours This prevents the back of the HC 32 using the adaptercable You will need to uncoverthe battery acid residue from building up inside the battery compartments charging port on the nght side of the unit CT
12. ent open and move on to the next step Select battery type 14 Locate the power button on the side of the CR 711 receiverto the left of the LCD screen Pressand hold the power button until something appearson the LCD screen The default display when the unit amvesto you brand new is as follows CH 001 E Ty Press and release the SET button twice in orderto enterthe battery selection menu Use the up or down button to move the arrow on the screen next to the NIMH 5 AKLN SRR SET button Up and down buttons Select NiMH for nickel metal hydnde NiMH battenes or AKLN for alkaline batteries Note that only alkaline or nickel metal hydride NiMH batteries may be installed inside the CR 711 receiver Installing any other battery type may cause damage physical harm and or fire In addition selecting the inconect battery type from the battery selection menu may result in damage physical harm and or fire Attempting to charge the CR 711 receiver with any battery type other than nic kel metal hydride NiMH may result in damage physical ham and or fire Once you have selected the appropnate battery type release all buttons and wait forthe default screen to appear CH 001 Select receiving channel frequenc y Press and release the SET button once in orderto enter the channel frequency selection menu The following isthe default display of the channel selection menu when the CR 7
13. hat CT 711 and CR 711 units with NIMH battenes installed require an unintenupted 13 hourcharging cycle before use HC 316 charging carmying case 26 Identify and locate the HC 316 charging carrying case You may charge up to 16 units CT 711 transmitter CR 711 receiver using the HC 316 charging carrying case Ensure that only NIMH batteries are installed inside the CT 711 and CR 711 units pnorto charging Ensure that the corect battery type is selected from the battery type selection menu see page 6 Power down the units CT 711 CR 711 by pressing and holding the red button on the left side of the unit until nothing is displayed on the LCD Connect the AC adapterto the DC in slot on the side of the HC 316 Plug the AC powercord into the AC adapterand a wall outlet Place the units CT 711 and or CR 711 into the slots of the HC 316 charging carrying case E PF Li When the units CT 711 and or CR 711 are charging the LED indicators on the units will fash on and off repeatedly The LED will show a steady light when the GE Charging cycle is complete The LED will tum off once the unit is removed from HC 316 charging carmying case Note that CT 711 and CR 711 units with NIMH battenes installed require an uninterupted 13 hour charging cycle before use Note that the HC 316 Is ideal for charging camying and storing CT 711 and CR 711 units The HC 316 must be placed in a carton or container with sufficient packing m
14. he CT 711 transmitter will indicate the current battery level approximately three 3 seconds after the unit Is powered on Note that the corect battery type NIMH or AKLN must be selected from the battery type selection menu in orderto receive an accurate read of the battery level CH 001 CLLLLLLL Battery level at 100 CH 001 bi Se lt Battery level below 50 The LED at the top of the CT 711 transmitter will tum red and blink on and off repeatedly asa waming when the battery level is close to 0 At this point you will have approximately one minute before the CT 711 transmitter automatically powers down www conferencesystems com 11 Transmission radius CR 711 Receiver Setup and Operation Note that the CT 711 transmitter will transmit to CR 711 receivers on the same channel frequency within approximately 100 feet 30 meters Transmission Identify and locate radius and available channels frequencies are subject to frequency traffic in yourarea Note that CT 800 tabletop rack mount unit is available that will transmit up to 300 feet 90 meters Operate more than one transmitter Up to six 6 transmitters may be operated simultaneously within the same transmission radius provided that the following conditions are met e Transmitters and receivers must be at least 3 3 feet 1 meter apart but no more than 100 feet 30 meters apart e Each transmitter must be on a unique channel fre
15. he squelch level before handing out CR 711 receivers to participants at your meeting or event by following the below steps Ensure that the CT 711 transmitter is powered off Locate the CR 711 receiver and ensure that it is powered on Press and release the SET button five times to enter the squelch level menu All units ship with the squelch level set to 01 The following display should appearon the LCD screen SQUELCH LEVEL O1 e Pressand release the up button so that the squelch is set to Level 02 If you no longer hear static release all buttons until the following default display appearson the LCD screen CH 001 e lf you continue to hear static on Level 02 pressthe up button again to advance to a level in which you no longer hear static Troubleshooting cannot hear anything when listening with an earphone or headphone connected to a CR 711 receiver e Ensure that both the CT 711 transmitter and CR 711 receiver are powered on e Ensure that both the CT 711 transmitter and CR 711 receiver are set to the same channel frequency e if you have more than one transmitter powered on ensure that they are on unique channels and that you are operating on the non interference channels frequencies as instructed on page 12 e Ensure that you see a speaker symbol on the screen to the left of the channel TTT Tey 6 omen 22 SYSTEMS If you do not see the speakersymbol you may be expenencing interference on that channel Switch
16. ing the power button until the LCD screen appears blank Ensure that the CR 711 receiver is powered up Press and release the SET button fourtimesto enterthe channel frequency scanning menu Press and release eitherthe up ordown button The receiver will automatically scan through all unlocked channels If the receiver does not detect any transmission signals it will retum to the default screen CH 001 TTT TTT If the receiver does detect a transmission signal it will stop scrolling at the first Signal it detects As an example the receiver detected a signal on Channel 001 625 000 MHz and the following display appeared on the LCD screen MCH OO This means that someone within 100 feet 30 meters isoperating equipment at 625 000 MHz If this isthe case it isimportant that you do not operate the RFS 700 system on this channel frequency Channel 001 625 000 MHz in this example as you will most likely expenence interference You may even want to lock out this channel frequency on both the CT 711 transmitter and CR 711 receiverto ensure that no one accidentally accesses this channel frequency See page 16 for instructions on locking and unlocking channels frequencies It isrecommended that if yourCR 711 receiverdoesdetecta signal you retum to the channel frequency scanning menu and perfom the scan again until the receiver has scrolled through all unlocked channels GE Enable ordisable auto off Press a
17. mives to you brand new will show all 100 channels unlocked i e the word SELECT will appearundemeath each channel You may see this by scrolling through the channels with the up ordown button CH 001 SELECT Asan example we wish to remove Channel 002 from the channel frequency selection menu Assuming that you have already pressed the SET button three times to enter the channel lock unlock menu press the up ordown button to scroll to Channel 002 Note that if you are already on Channel 002 when you enter the channel lock unlock menu you willneed to navigate away from Channel 002 and then retum to Channel 002 using the up or down button Press and release the SET button once so that the word SELECT is replaced by the word DELETED on the screen CH 002 SELECT CH 002 DELETED Release all buttons and wait forthe default screen to appear CH 001 GE Now you will no longerbe able to select Channel 002 from the channel selection menu You may try this out by pressing the SET button once and using the up or down button to scroll through the available channels frequencies If you press the up button when on Channel 001 you should then see CH 001 CH 003 625 000M You may use the same procedure to unlock a channel As an example we now want to unlock Channel 002 Assuming that you have already pressed the SET button three times to enter the channel lock unlock menu press the up
18. nd release the SET button six times to enterthe auto off menu The following display will appearon the LCD screen asthe default auto off menu when the CR 711 receiver amvesto you brand new AUTO OFF DISABLE Press and release the up or down button to replace the word DISABLE with the word ENABLE asillustrated below AUTO OFF ENABLE If you choose to enable the auto off feature the CR 711 receiver will power down ff it doesnot receive a transmission signal from the transmitter for approximately five minutes Once you have selected ENABLE or DISABLE from the auto off menu release all buttons until the LCD screen shows the default display MCH O0 CLLLLLLIL Complete setup Tum the CR 711 receiveroverso that the LCD screen is face down Press the tabson the back of the unit down into the locked position Tabs up in unlocked position Tabs down in locked position www conferencesystems com 19 Connect earphone 20 Tum the CR 711 receiverso that you can see the top of the unit Volume knob Earphone or headphone socket Tum the volume knob allthe way towards MIN Locate the DE501 Delegate Earphone Note that the DE501 earphone isthe standard earphone included with purchase of the CR 711 receiver The DH500 delegate headphone is available as an optional purchase Plug the DE501 earphone or DH500 headphone into the earphone headphone socket on the CR 711 receiver Ensu
19. ones earphones headphones adapters battenes chargers charging cases and shipping cases to be free from defects in workmanship and materal under nomal use and condition for 90 days from the date of purchase All warranty claims are subject to examination and approval Once approved defective products under wananty will be repaired orreplaced free of charge Conference Systems will pay for retum shipment of products repaired orreplaced under wananty Conference Systems will also evaluate retumed products that are no longer under waranty and provide an estimate for repair and or replacement costs and retum shipment costs Conference Systems will only accept retumed products both warranty and non wa manty with a retum merchandise authonzation RMA number Please visit www conferencesystems com and select Repair Support from the menu in orderto complete an online RMA request You will receive an e mail with your RMA number once you submit the online RMA request Please make sure to ship the itemsto the attention of that RMA number Conference Systems Atin RMA 12910 Cloverleaf Center Drive Suite 100 Germantown MD 20874 Please contact support conferencesystems com or 1 301 519 0384 with any questions orconcems regarding repairs and orcompleting the online RMA request Compliance Notices 30 Device complies with Part 15 of the FCC Rules Operation is subject to the following conditions 1 This device may not ca
20. ophone included with purchase of the CT 711 transmitter Other available microphone options are as follows TM400 Table Microphone Set with y cable and CT 711 Adapter M 75 IH500 IH502 Flexible Neck Interpreter Interpreter Microphone Headset Headset with CT 711 with CT 711 Adapter Adapter Plug the microphone into the CT 711 transmitter by matching the pins inside the microphone plug on the transmitter with the sockets on the microphone connectorand pressing down until microphone connector locksin place If using the IH500 IH502 or TM 400 microphones you must plug the microphone connector into the CT 711 Adapterand then plug the CT 711 Adapter into the CT 711 transmitter Position belt clip You may wear the CT 711 transmitter by attaching the belt clip on the back of the unit to your belt Note that the belt clip rotates 360 ONFLRENE 10 SUSTEMS Check battery level Alkaline battenes will last approximately 12 hours in the CT 711 transmitter If using alkaline battenes it isrecommended that you install fresh alkaline battenes at the beginning of the day before your meeting orevent starts Nic kel metal hydnde NiMH battenes will last approximately 8 hours in the CT 711 transmitter Please see page 24 for care storage and maintenance procedures for the RFS 700 system with NiMH rechargeable battenes in order to prevent damage physical harm and or fire The default disolay on the LCD screen of t
21. ower 200 mW THD 1 25 Maximum output SPL 110 dB Connector 3 5mm mono plug Speaker size in 0 9 Weight oz 0 3 without cable AC Adapter DC 9V 700 mA Quiescent Current 14 mA 5 mA Operating temperature range 32 to 131 F Dimension in 4 72 L x 3 94 W x 2 91 H Weight oz 4 78 Case ABS Plastic HC 316 Charging Case 28 Input voltage DC 6 5V 3 1A Quiescent current 14 mA 5 mA Power Supply AC 100 230V Dimension in 18 39 L x 13 11 W x 7 40 H Weight lb 6 83 Matenal aluminum extenor soft foam intenor GE Other Optional Components and Accessones CT 800 Tabletop and or Rack Mount Transmitter for up to 300 ft MC 75 Flexible Neck Microphone CT 711 Adapter to plug in mic or headset with 3 5mm plug IH500 Interpreter Headset Microphone with two 2 3 5mm plugs mic and headphones IH502 Interpreter Headset Microphone with 3 5mm mic plug TM 400 Table Microphone Set with 3 5mm plugs DH500 Delegate Headphone TC 715 Shipping and Storage Case for 15 x CT CR 711 TC 800 Shipping and Storage Case for CT 800 www conferencesystems com 29 Warranty and Repair Information Notes Conference Systems warrants CT 711 CR 711 and CT 800 units to be free from defects in workmanship and materal under nomal use and condition for one 1 year from the date of purchase Conference Systems warrants all other RFS 700 products including but not limited to microphones headset microph
22. page 24 for care storage and maintenance procedures for the RFS 700 system with NiMH rechargeable battenes in order to prevent damage physical harm and or fire The default disolay on the LCD screen of the CR 711 receiver will indicate the current battery level approximately three 3 seconds after the unit is powered on Note that the corect battery type NIMH or AKLN must be selected from the battery type selection menu in orderto receive an accurate read of the battery level CH 001 CLLLLLLL CH 001 bi i See The LED at the top of the CR 711 receiver will tum red and blink on and off repeatedly asa waming when the battery level is clos to 0 At this point you will have approximately one minute before the CR 711 receiver will automatically powerdown Battery level at 100 lt Battery level below 50 www conferencesystems com 21 Transmission radius Note that the CT 711 transmitter will transmit to CR 711 receivers on the same channel frequency within approximately 100 feet 30 meters Transmission radius and available channels frequencies are subject to frequency traffic in your area Adjust squelch level Squelch mutes the transmission when no incoming signal is present Squelch level O1 isthe least sensitive setting and squelch level 10 isthe most sensitive setting If the squelch level is not set propery participants may hear static if the CT 711 transmitter is powered off Adjust t
23. quency Two or more transmitters set to the same channel frequency within the same transmission radius will cancel each other out Adjust volume knob e Transmitters may only transmit on the six 6 non interference i channels frequencies listed on the following chart Tum the volume knob allthe way towards MIN before connecting an earphone orheadphonesto the CR 711 receiver Install batteries 625 500 MHz Tum the CR 711 receiveroverso that the LCD screen isface down If the tabs are down in the locked position pull the tabs up towards you into the 006s 626 250 MHz unlocked position 629 750 MHz 639 000 MHz 642 250 MHz Tabs down in locked position e Ability to use all six 6 of the above non interference channels frequencies is subject to frequency traffic in your area Tabs up in unlocked position ONFLRENE 12 SYSTEMS www conferencesystems com 13 Install two 2 AA battenes inside the CR 711 receiver Note that only alkaline or nickel metal hydride NiMH battenes may be installed inside the CR 711 receiver Installing any other battery type may cause damage physical harm and or fire Attempting to charge the CR 711 receiver with any battery type other than nic kel metal hydride NiMH may result in damage physical ham and or fire Match the polanty markings and on the battenes with the polanty markings and inside the battery compartment E Leave the battery compartm
24. re that the plug Is firmly seated in the socket Place the DE501 earphone on your ear or DH500 headphone on your ears Have a second person walk at least 3 3 feet 1 meter away with the CT 711 transmitter Make certain that the second person isnot more than 100 feet 30 meters away Have the second person speak into the microphone connected to the CT 711 transmitter A good idea isto have the second person repeatedly count or recite the alphabet The idea isto transmit consistent sound While the second person isspeaking into the microphone slowly tum the volume knob on the CR 711 receiver towards MAX until you are able to hear ata comfortable volume level kkNever tum the volume knob all the way to MAX as you may potentally damage your ears and or hearing If you are unable to hearthe person speaking into the microphone connected to the CT 711 transmitter please follow the troubleshooting tipson page 22 GE Position belt clip You may wear the CR 711 receiver by attaching the belt clip on the back of the unit to your belt Note that the belt clip rotates 360 Check battery level Alkaline battenes will last approximately 12 hours in the CR 711 receiver If using alkaline battenes it isrecommended that you install fresh alkaline battenes at the beginning of the day before your meeting or event starts Nic kel metal hydnde NiMH battenes will last approximately 8 hours in the CR 711 receiver Please see
25. result in damage physical harm and or fire See page 6 and page 14 for battery type selection procedures This must be done pnorto adjusting any other menu settings on the CT 711 transmitters and CR 711 receivers Attempting to charge the CT 711 transmitters and CR 711 receivers with any battery type other than nickel metal hydnde NiMH may result in damage physical harm and or fire kk6ee page 24 for procedures for caring storing and maintaining the RFS 700 system with NIMH rechargeable battenes Preventing damage to earsand heanng Volume knob Tum the volume knob all the way towards MIN before connecting an earphone orheadphonesto the CR 711 receiver Then connect the earmhone or headphones After placing an earphone on your ear orheadphones over both ears Sowly tum the volume knob towards MAX on the CR 711 receiver until the volume is at a comfortable level kkNever tum the volume knob all the way to MAX as you may potentially damage your ears and or hearing Squelch level It is important to set the squelch level in the room s in which you are planning to hold your meeting orevent pnorto handing out CR 711 receivers to participants Adjusting the squelch on the CR 711 receivers will prevent participants from heanng static if the CT 711 transmitter is powered off kkGee page 22 for instructions on adjusting the squelch level GE CT 711 Transmitter Setup and Operation Identify and locate
26. s com 7 Lock and unlock channels frequencies Press and release the SET button three timesto open the channel lock unlock menu The following screen will appear The word SELECT listed undemeath a channel indicates that the channel in question is unlocked The word DELETED listed undemeath a channel indicates that the channel in question is locked A channel that is unlocked willbe available in the channel selection menu A channel that is locked will not be available in the channel selection menu The default channel lock unlock menu when the CT 711 transmitter a mves to you brand new will show all 100 channels unlocked i e the word SELECT will appearundemeath each channel You may see this by scrolling through the channels with the up ordown button Asan example we wish to remove Channel 002 from the channel frequency selection menu Assuming that you have already pressed the SET button three times to enter the channel lock unlock menu pressthe up ordown button to scroll to Channel 002 Note that if you are already on Channel 002 when you enter the channel lock unlock menu you will need to navigate away from Channel 002 and then retum to Channel 002 using the up or down button Press and release the SET button once so that the word SELECT is replaced by the word DELETED on the screen CH 002 SELECT CH 002 DELETED Release all buttons and wait forthe default screen to appear CH 001
27. use ha mful interference 2 Thisdevice must accept any interference received including interference that may cause undesired operation RoHS compliant DIN EN ISO 9001 Certificate No 09 100 89126 ONFLRANE SYSTEMS www conferencesystems com 3l GE Conference Systems 12910 Clovereaf Center Drive Suite 100 Gemantown MD 20874 USA 1 240 404 0549 Product Sales 1 240 404 0599 Technical Support 1 301 519 0384 Repair Service 1 866 614 7574 Toll Free 1 301 330 9090 Intemational sa les conferenc esytems c om support conferenc esytems c om www c onferenc esystems com
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