USER MANUAL Controller Belt Station U9911-BSC U9911
Contents
1. for as long as the PTT is held down regardless of VOX setting VOX Basics e VOX knob fully clockwise CW Mic is off e VOX knob fully counter clockwise CCW Mic is hot e VOX knob in between full CW and full CCW VOX enabled VOX Adjustment Procedure Ensure that the controller is linked with a belt station LED flashing green Stand in the noisy environment where you will be using the system but do not speak Turn VOX knob fully counter clockwise You will hear a continuous tone While continuing not to speak slowly turn the VOX knob clockwise until the tone stops VOX is now optimally set for your environment tes RENE Es If you move to another location you may wish to repeat the above procedure Tip e Turning the VOX knob fully clockwise will turn off the microphone e Conversely turning the VOX knob fully counter clockwise will cause the microphone to be hot all the time Communication The user will hear his own voice side tone only when the controller is connected to a belt station and VOX is properly adjusted Side tone provides feedback for the user to know he is connected and is being heard by the remote users as well In general if you can hear your own voice the other users can hear you as well 5 of 10 19541P 44 04 11 Range The range of a belt station and a controller can be up to 300 ft 100m If you are in an environment with metal or concrete walls this range could be reduced When the bel2. approximately two seconds The LED will turn red and then begin flashing orange If there are linked belt stations within range they will automatically connect to the controller in a few seconds after power up To power down the U9910 BSC press and hold the POWER button for approximately two seconds The LED will turn red and then turn off The controller is now powered down Headset In order for the U9911 BSC to be used a David Clark H9900 series headset must be connected To connect the headset align the connectors as shown then push and turn clockwise see Figure 2 There are separate left and right volume controls on the headset Line up Orange Dots and Twist Figure 2 Headset Connection 4 of 10 19541P 44 04 11 It is also important to properly wear the headset and correctly position the microphone For optimum noise cancelling performance position the microphone 1 8 to 1 4 3 6 mm from your lips Figure 3 Wearing the Headset VOX adjustment The U9911 BSC has an innovative voice activation VOX system VOX is intended to prevent background noise from being unintentionally picked up by the microphone while detecting and allowing voice communications The VOX knob see Figure 1 controls the threshold at which the mic becomes hot When the mic is hot you will hear your own voice and other connected users will hear you as well Pressing the PTT button will automatically make the microphone hot
3. nominal Operating Temperature 14 F to 113 F 10 C to 45 C Storage Temperature 4 F to 140 F 20 C to 60 C Power Requirements 3 7V 100mA nominal Battery Type 3 7V 2000mAh Li Polymer U S Patent Pending 8 of 10 19541P 44 04 11 FCC Part 15 Statement RADIO AND TELEVISION INTERFERENCE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help You may also find helpful the following booklet prepared by th
4. battery is installed Cannot link a belt station Review Linking procedure Ensure units are within 1 to 3ft 0 3 to 0 9m of each other Try a Full Purge No sidetone No Belt Stations connected VOX set too high Low receive audio Adjust left right volume knobs on headset No audio intermittent audio Check headset connection to belt station 19541P 44 04 11 7 of 10 Replacement Parts e Battery P N 09525P 23 e Protective skin black A99 01SKN P N 40796G 02 Care and Maintenance The U9911 BSC is not user serviceable Do not attempt to open the enclosure If this product requires service please contact the David Clark Co Inc Customer Service department e Phone 800 298 6235 e E Mail serviceWWW DavidClark com e By Mail Customer Service David Clark Company 360 Franklin Street Worcester MA 01604 If necessary the U9911 BSC may be wiped down with a mild soap and water mixture Although it is a sealed device designed to withstand submersion in water to 1 meter do not unnecessarily submerse this product in water Avoid storage of this product in direct sunlight or high temperature environments Specifications Frequency Range 1920 MHz 1930 MHz U S and Canada 1880 MHz 1900 MHz EU Average RF Power Output 4 mW 100mW peak U S and Canada 10 mW 250 mW peak EU Range 300 ft 100m line of sight nominal Battery Life 24 hrs continuous use
5. D on the controller will flash a green pattern corresponding to the number of belt stations connected Once linked the devices will not need to be linked again unless they are purged see Purging Each belt station is able to be linked to only one controller at a time A controller can have up to six belt stations linked and be connected to four of those six at one time Status Indications The power button has a multi color LED in the center which serves as a status indication for the controller Table 1 below lists these states Table 1 LED Status Indications LED Color Blink Rate Status Red Solid Initializing power up Red Once Connection Dropped Red Once Connection Established Red Any Low battery approx 1 hr remaining Orange Slow Idle Disconnected Orange Fast Link Connection in Progress Orange Solid PTT asserted Green Slow Connected pattern indicates number of belt stations connected 19541P 44 04 11 3 of 10 In addition to the LED the belt station controller provides audio feedback for certain conditions as well Table 2 below lists these conditions Table 2 Voice Alerts Voice Alerts Connection Established first connection only Connection Lost last connection only Low Battery Connection Deleted see Purging Operation Power up power down To power up the U9911 BSC controller belt station press and hold the POWER button for
6. T button Smart Purge A smart purge is a purge in which only unwanted links are removed from the gateway When this procedure is complete only belt stations that are connected to the gateway remain linked All other belt station links will have been removed see the belt station User Manual for the individual belt station purging procedure when remaining link purging may be necessary Smart Purge procedure 1 Ensure gateway is powered on and functioning 2 Disconnect all belt stations to be purged power off the belt stations 3 Verify the number of green LED flashes on the gateway matches the number of belt stations to be kept linked 4 Press and hold LINK button on the gateway for 30 seconds until LED quickly flashes red 5 Release LINK button 6 of 10 19541P 44 04 11 Battery Removal amp Charging All David Clark 9900 series wireless belt stations and battery operated controllers use a 3 7V Li Polymer rechargeable battery This battery is removed by loosening the battery release screw See Figure 1 The batteries are charged with the A99 04CRG 4 bay battery charger 41034G 01 When installing a battery take care to align the battery properly and fully tighten the screw see Figure 3 Insert Battery with Contacts Down Figure 3 Battery Insertion Removal Troubleshooting Table 3 Troubleshooting Problem Solution Controller will not turn on Review Power up Power down procedure Ensure a fresh
7. e David Clark WWW DAVIDCLARK COM USER MANUAL Controller Belt Station U9911 BSC U9911 BSC EU P N 41033G 01 P N 41033G 02 19541P 44 04 10 2011 DAVID CLARK COMPANY INCORPORATED Cautions and Warnings 19541P 44 04 11 READ AND SAVE THESE INSTRUCTIONS Follow the instructions in this installation manual These instructions must be followed to avoid damage to this product and associated equipment Product operation and reliability depends on proper usage el ra amp xX DO NOT INSTALL ANY DAVID CLARK COMPANY PRODUCT THAT APPEARS DAMAGED Upon unpacking your David Clark product inspect the contents for shipping damage If damage is apparent immediately file a claim with the carrier and notify your David Clark product supplier ELECTRICAL HAZARD Disconnect electrical power when making any internal adjustments or repairs All repairs should be performed by a representative or authorized agent of the David Clark Company STATIC HAZARD Static electricity can damage components Therefore be sure to ground yourself before opening or installing components LI POLYMER This product is used with Li Polymer batteries Do not incinerate disassemble short circuit or expose the battery to high temperatures Battery must be disposed of properly in accordance with local regulations 1of 10 Overview The U9911 BSC 41033G 01 Controller Belt Station is a portable wireless communication device that when u
8. e FCC How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington D C 20402 2 In order to maintain compliance with FCC regulations shielded cables must be used with this equipment Operation with non approved equipment or unshielded cables is likely to result in interference to radio amp television reception 9 of 10 19541P 44 04 11 Industry Canada Statement This device complies with Industry Canada licence exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device Unauthorized Changes Changes or modifications not expressly approved by David Clark Company Inc could void the users authority to operate the equipment Usage Restrictions US Models Due to the UPCS frequencies used this product is licensed for operation only in the United States of America and Canada EU Models Due to the DECT frequencies used this product is licensed for operation only in the European Union countries SAR Statement Radio wave exposure and Specific Absorption Rate SAR information This product has been designed to comply with applicable safety requirements for exposure to radio waves These requirements are based on scientific guidelines that include safety margins design
9. ed to assure the safety of all persons regardless of age and health The radio wave exposure guidelines employ a unit of measurement known as the Specific Absorption Rate or SAR Tests for SAR are conducted using standardized methods with the product transmitting at its highest certified power level in all used frequency bands The product is designed to meet the relevant guidelines for exposure to radio waves SAR data information for residents in countries that have adopted the SAR limit recommended by the International Commission of Non lonizing Radiation Protection ICNIRP which is 0 08 W kg averaged over ten 10 gram of tissue for example European Union Japan Brazil and New Zealand The highest SAR value for this product when tested for use on the body is 0 296 W kg 10 of 10 19541P 44 04 11
10. sed in conjunction with one or more U9910 BSW 40992G 01 or U9912 BSW 40992G 02 Wireless Belt Stations becomes part of a wireless intercom system Up to five users are able to communicate with each other when using the U9911 BSC Only one controller is required per system Up to four belt stations can be connected to one controller VOX Adjust Headset Connector Power Button Status LED Model U9911 BSC Controller Belt Station PIN 41033G 01 Battery Compartment Battery Release Screw Figure 1 Overview of Controller 2 of 10 19541P 44 04 11 Linking Before a belt station and a controller can be connected they must first be linked As a security measure the close link feature requires devices to be in proximity of about 1 to 3 ft 0 3 to 0 9m in order to successfully link This ensures that the units are not inadvertently linked with other units on the premises Linking procedure 1 2 3 Ensure power is on for both U9911 BSC and belt station see Power up Power down Ensure units are within 1 to 3 ft 0 3 to 0 9m of each other Simultaneously within 1 2 sec press and release the PTT button on the U9911 BSC and the belt station to link with Amber LED s will flash on both devices A momentary red LED indicates a successful close link Upon successful link the U9911 BSC will attempt to establish a connection with the belt station Upon successfully establishing connection the LE
11. t station travels out of range of the controller a voice alert will indicate that the connection has been lost To reconnect simply move back into range and connection with the controller gateway will automatically be reestablished also noted by a voice alert Low Battery Under typical conditions the battery in the controller will last up to 24 hours or longer A voice alert will indicate to the user that the battery is running low Additionally the Status LED will turn red At this point approximately 1 hour of operation remains Auto Shut Off The U9911 BSC will automatically shut off 30 minutes after the last belt station is disconnected Purging In some circumstances it may be necessary to purge the U9911 BSC of its linked belt stations Typically purging is not necessary unless there are multiple controllers in the same vicinity and you wish to remove a belt station from this controller and link to a different controller A controller can link up to six belt stations where a belt station can be linked to only one controller at atime Full Purge A full purge is a purge method which clears all links in the controller After this procedure no belt stations will automatically connect to this controller until linked Full Purge procedure 1 Power down controller see Power up Power down 2 Press and hold PTT button Do not release 3 Power up the controller see Power up Power down 4 Release POWER button 5 Release PT
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