Ademco - 7915 FAST User Manual
Contents
1. 50 C Storage Temp 4 F to 140 F 20 C to 60 C ADEMCO LIMITED WARRANTY Aarm Device Manutacturing Company a Omsion of Pitiway Corporation and its divisions Sudsic anes and affikates Seller 165 Edeen Way Syosset New York 11791 warrants as produc s to be m Conformance with ns own plans anc specications ans io oe tree trom detects in materias ANS workmanship unger Normal use and service tor 18 montris trom the gaie stamp Control on ine proguct or for products Nol having an Ademco Gate stamp tor 12 monins trom gate of orginal purcnase unless the mstallation insiructions or Catalog sets torth a snoner penod n which case the shone penoc shail apply Seller s obhgalion shall be kmaec 10 repairing or replacing al ns option tree of cnarge for matenats or labor any pan which 1 SFOved noi in comphance with Seller s specications or proves celeciive m matenais or workmansnip under Normal use and service Seller shall have ne obligation under this Limned Warranty or otherwsse ii the product 1s allerec or mproperty recaireo or Serviced by anyone oiner than Ademco tactory service For warranty service return product transponanon prepaig to Ademco Factory Service 165 Eileen Way Syosset New York 11791 THERE ARE NO WARAANTIES EXPRESS OR IMPLIED OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF IN NO CASE SHALL SELLEA 3E LIASLE TO ANYONE FOR ANY CCONSSQUENTIAL OR IN2. observing the FAST Too bar graph displays while moving trom site to s e The following steps describe the procedures to take 1 Prepare the Subscriber Radio in accordance with When the FAST Tool is activated the lighted segments of its Installation Instructions including all wiring and programming the subscriber antenna is being mounted remotely the Radio chassis can be mounted at this time Be sure to review the GENERAL NOTES ON RADIO INSTALLATION section later in this document for important installation considerations Connect the FAST Too antenna to the Antenna connector by aligning the slots in the antenna s connector with the tabs in the receptacle pushing downward and rotating clockwise To remove the antenna apply slight downward pressure while twisting counter clockwise then lift the antenna off the connecior Set the FAST Tool to the proper operating channel by placing the first four switches in the CHANNEL DIP switch to the proper position O or 1 according to the following table switches 5 7 can be disregarded fg POSITIONS PA POSITIONS 1 2 3 4 1 2 3 4 S I 1j oaj or ojaa 6 RE keZ A o daa Op a a Ex To set channel 13 set switch one to the 1 position www PDF Zoo com With the RANGE the Signal Strength and Frequency bar graphs will fluctuate as network data signals are received in addition the speaker will make a rushing hiss sound representing b
3. ADEMCO INTRODUCTION USER S MA NUAL Ficia tarm S ignai Tester No 7915 The No 7915 Field Alarm Signa Tester FAST Tool is a portable battery operated RF signal receiving analyzing device primarily used to identity the best possible antenna locations for subscriber radios provided as pan of an the Ademeo Long Range Radio Security System h can also be used as a salesman s demonstration tool and for verifying the suitability of a customer s site for radio use The FAST Tool provides direct visual indication of real time field strength and frequency Measurements from network radio signals using easy to read LED bar graphs and includes a buiR in speaker for listening 10 modulated data signals Since the proper placement of the subscriber antenna is critical in achieving a dependable communication link with the security network installers shouid use the No 7915 FAST Tooi at all Long Range Radio subseriber installations CONTROLS POWER ON SWITCH This toggle switch applies power to the No 7915 The FAST Tool can operate continuously for up to 3 hours using iis buil in battery and includes a transformer for recharging the battery H desired the FAST Tool can operate with transformer power but note that the line cord limits freedom of movement The FAST Too automatically turns itself off atier seven minutes To reactivate turn the POWER switch off then on again BATT ERY TEST BUTTON This pushbutton switch is used to display
4. CIDENTAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WARRANTY EXPRESS OR IMPLIED OR UPON ANY OTHER BASIS OF LIABILITY WHATSOEVER EVEN IF THE LOSS OR DAMAGE IS CAUSED BY THE SELLER S OWN NEGLIGENCE OR FAULT Seller goes not represent thal ns product may not be compromised or circumvented tha the procuct will prevent any personal injury or property loss Dy Durglary rooDery fire or otherwise or nal the produc will ir all cases provide acecuale warning or protection Suyer undersiands that a property isialies anc mainainec alarm may only reduce the ngk of a burglary roobery Or fire witnoul warning Dut its NOL Nsurance or a guarantee that such wit NOL Occur or that there will De no personal injury Or property loss as a result CONSEQUENTLY SELLES SHALL MAVE NO LIABILITY FOR ANY PERSONAL INJURY PROPERTY DAMAGE OR OTHER LOSS BASED ON A CLAIM THE PRODUCT FAILED TO GIVE WAANING However it Selier 1S Hele hadie whether directly or inawectly tor any loss OF CaMage arising unger his _ mnet Warranty or otnerwse rezardiess of Cause OF origin Sadly maximum liadilfty shall notin any zase exceed the Surchase orice o ihe Sroouc whicn sral de re Compleie and exclusive remedy against Hier Trus warranty replaces any previous warranties and is the only warranty Mace by Selle on ths proouc No increase or alteration writer or verdal of the Obligation of this Lemuec Warranty s authorized ALARM DEVICE MANUFACTURING CO A DIVISION OF PITTWAY C
5. ORPORATION 1N D A 165 Eileen Way Syosset New York 11791 www PDF Zoo com
6. ackground radio noise with rapid bleep sounds similar to the sound of cricket chirring intermixed The bleeps represent modulated network data Set the VOLUME contro for a comfonabie listening level switch set to the HIGH position move the FAST Tool to various antenna mounting locations listening for network data signal bieeps and observing the signal strength readings at each location To audibly distinguish network data signals be aware that on channel signals will make pieeping sounds while off channel signals though reducing the background noise will have the bleeps conspicuously missing Find the areas that give the highest signa strength readings according to the following chart HIGH RANGE CALIBRATION 2 3 114 to 106 Weak signal reception La i of of of 8 of of of 1 46 98 to 82 Acceptable reception 2 AOL olodo tif ojl ojs 7 10 7410 50 Good reception tae LE et IMPORTANT When observing signal strength readings be sure that only those signals lighting the center segments on the FREQUENCY bar graph on channe signals are used in determining optimum antenna locations Refer to the FREQUENCY DISPLA paragraph for more information Switch two to the 0 position and switches three and four 14 oniy tow readings can be found using the to the 1 position as shown below HIGH range set the RANGE switch to the LOW USE ONLY position and check t
7. he signal strength readings at each ASEL location again using the following chart as a guide SWITCH UP TOWARDS LOW RANGE CALIBRATION pe eee BAR GRAPHS FOR 1 0 i i l SWITCH DOWN 1TOWARDS 2 5 117 to 105 Weak signal reception PONER SWT CHIZOR O 6 9 101 t0 89 Acceptable reception SMOWN SET FOR CHANNEL 13 10 85 Proforable reception Note that once a channel has been set the FAST Too will Installer j ats judgment should be used when determining the be tuned to that channe upon power up Should a best antenna locations Since these readings ne Vaal different channel be desired simply reset the DIP time measurements a high reading does not necessarily switches for the new channel while the FAST Tool is off mean communication will always be good at any one nicular site To get a better indication of radio activity Turn the FAST Tool on by moving the POWER toggie Siow an asanitiste amount of time for viewing at aa switch to the up position The unit will automatically turn location 20 30 seconds for Private Systems and up to itself off aher seven minutes To turn the FAST Tool on two minutes for AlarmNet users for another 7 minutes simply turn the POWER switch off then on again 7 Mount the antenna at the location that consistently gives the highest readings IMPORTANT To insure proper FAST Tool T operation 0 ng always check the battery condition before each use IMPORTANT While high signal strength readings are depre
8. ibly provide false indication that an antenna is When mounting the antenna avoid obstructions such as metal ducts pipes foil backed insulation etc as these will adversely affect transmission RECHARGING THE BATTERY The battery condition should be checked before using the FAST Tool by depressing the BATT TEST pushbutton and observing the BATTERY display ff the lighted LED segment is in the bracketed RECHARGE area the battery mus be recharged To recharge the battery simply plug the supplied transformer into a 120VAC 60Hz wall receptacie Allow at least four 4 hours of recharging time or at least until the LED segment lights in the GOOD bracketed area Note that the FAST Tool can be used while the transformer is plugged in but that installer movement is limited to the length of the line cord www PDF Zoo com cable lengths of up to 50 feet are acceptable for pose problems for the antenna supervision circuitry and connected when in fact it has been removed or tampered th ad following information is provided to help ensure the dependability of radio communication with the Long Range Radio etwork Unless otherwise stated the Radio must be mounted To avoid interference the antenna should be mounted as as far as possible from sources of RFI interference and other electronic equipment whose operation might be affected by the RF energy radiated by the Radio Vertical separation is
9. mately 4dB per LED segment and is used to determine antenna mounting locations in weaker signal environments Refer to the USING THE FAST TOOL section for additional inlormation regarding acceptable vaiues when determining antenna locations www PDF Zoo com DISPLAYS SIGNAL STRENGTH DISPLAY The venical SIGNAL STRENGTH bar graph display provides quick visual indication of the strength of local RF activity allowing the installer to easily determine suitable subscriber antenna locations The Signal Strength display represents the relative field strength of received RF signals and is calibrated in dBm Depending on the RANGE switch satting see RANGE SWITCH each segment of the bar graph indicates approximately either an 8dB HIGH position or 4dB LOW position increase in signal level Signa Strength is also messured on a numerical scale from 1 to 10 with 10 representing the highest signal strength in the selected range Due to the sensitivity of the FAST Tool ambient radio noise will usually light segment 1 of the bar graph in addition signals on adjacent channels can also light the display Note that on channel signals will ight the conter most segments of the FREQUENCY bar graph and that only these signals should be used when determining good antenna locations refer to the FREQUENCY DISPLAY paragraph for more information FREQUENCY BATTERY DISPLAY The horizontal bar graph display serves two purposes Frequency offset
10. measurement and battery condition Normally this bar graph visually indicates the frequency offset of received signals and is used to distinguish on channe signals from other spurious signals On channel signals will light a cluster of center segments while spurious signals will light the segments at either end of the bar graph The leftmost segments represent signals that are at a lower frequency than the programmed channel while the rightmost segments represent higher frequency signals Since an FM transmission scheme is used by the Ademco Long Range Radio network the actual number of segments lighted will vary according to the data modulation of each transmission with each segment representing about tkHz deviation Typical network signals have approximately 3kHz deviation in addition the FAST Too will audibly indicate on channe data signals with bleeps The battery condition can also be displayed on this bar graph by depressing the BATT TEST bution The ft LED segment should be within the bracketed area marked GOOD not the battery should be charged before using the FAST Tool Refer to the USING THE FAST TOOL section for recharging instructions USING THE FAST TOOL TO SELECT AN ANTENNA SITE Before installing a subscriber radio antenna the installer must first verify that the mounting location allows a strong communication link with the Long Range Radio Security Network Optimum locations are determined by
11. more important than horizontal separation as signal radiation is strongest in the horizontal plane The following minimum distances are suggested EQUIPMENT DISTANCE No 5600 5700 Receivers 20 feet Passive Infrared Devices 10 feet ControvCommunicator 25 foot FM amp TV Antenna 25 feet Other Equioment Never less than 10 feet Strong signal strength indications at the antenna location are vital for dependable communication with the Long Range Radio Network in the event that acceptabie signa strength readings cannot be achieved using the standard No 7625 antenna the optional No 7625 3dB high gain or No 7674 YAGI antenna can be used The No 7625 3dB antenna adds about 3dB gain when compared to the standard No 7625 antenna and can be mounted in exactly the same manner as the No 7625 The No 7674 antenna provides directional characteristics and mounts remotely The No 7674 antenna must be aimed in the direction which gives the strongest signal strength indications and mounts with screws through its main section Connect the antenna to the Radio using the shortest of the available cables SPECIFICATIONS Size 10 X 7 X Pr Power 12VDC 0 8AH sealed lead acid battery 3 hours continuous use from full charge Recharge Rate 8 hours for fully cepivted banery Weight lbs RF Frequency 952 0125MH2 to 952 3375MHz Sensitivity 116d8m minimum for 12dB sinad Operating Temp 32 F to 120 F 0 C to
12. ssing the BATT TEST pushbutton and ae yd imponant for proper communication in all Radio the horizontal PREQUENCY BATTERY display bar installations readings of seven 7 or higher aro vital for graph should be lit within the bracketed area markod two way polled Radios ex 7920SE Transceiver Failure GOOD H not the battery should be recharged before to achieve these readings can result in communication using the FAST Tool failures 2 GENERAL NOTES ON RADIO INSTALLATION indoors in an area where it will be undisturbed To facilitate testing the Radio should also be located in an easily accessible area Avoid mounting the Radio in areas where temperature extremes will be encountered Refer to the Radio s Installation Instructions for permissible temperature ranges Preferably the mounting site environment should be climate controlled Though the Radio must be mounted indoors the antenna can usually be mounted indoors or outdoors by the use of 50 ohm coaxial cable available from Ademco To avoid signal loss through attenuation when mounting the antenna remotely cable lengths should be SO feet or less Use only the cables listed in the following table Ademco Pan No Cable Lenath SMPORTANT Many Ademco Radios feature antenna Supervision circuitry which triggers an alarm if tampering of the antenna or antenna cable occurs Note that while communication purposes cable lengths over 20 feet can poss
13. the condition of the internal rechargeabie battery When depressed the horizontal FREQUENCY BATTERY bar graph indicates the condition of the battery The lighted segment should be within the bracketed area marked GOOD Use the supplied transformer to charge the battery if the lighted segment is within the RECHARGE bracketed area VOLUME CONTROL The FAST Too includes a built in speaker for listening to modulated data signais referred to in this document as bleeps With practice these sounds become very distinguishable thus aiding in the quick identification of suitable antenna mounting locations The VOLUME control i used to adjust the speaker volume Rotate clockwise to increase volume counterclockwise to decrease the volume Refer to the USING THE FAST TOOL section for more information regarding sound CHANNEL DIP SWITCH The FAST Too can be set to receive any of the 14 Long Range Radio communication channals via a seven position DIP switch To set the No 7915 to the proper channel reler to the USING THE FAST TOOL section of this document RANGE SWITCH This switch is used to set the LED segments of the SIGNAL STRENGTH bar graph in either coarse or fine increments The HIGH coarse range position measures field strength in steps of approximately 8dB per LED segment and is used to identify sites that provide strong communication paths to the network The LOW fine range measures in steps of approxi
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