Interpreting Sensor Status And Data Quality Indicators ........Tools and Test Equipment Required ..............Key System Performance Parameters and Expected Sensor Outputs ....Maintenance Data Recording and Forms ............Belfort AWOS Comprehensive Facility Performance Adjustment Data Form Belfort AWOS Technical Performance Record ..........FAA Form 6030-1..................... 10.0 Component Removal and Replacement Procedures .........
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Appendix C UHF Transceiver Specifications Appendix D Standard Unicom Radio-ICOM A110 VHF Radio Specifications Appendix E Belfort AWOS Commissioning / Annual Inspection Procedure & Data Record Appendix F DCP Site Configuration Procedure Appendix G Belfort AWOS Atomic Clock Verification Procedure...
Forms to be used to document completion of maintenance tasks, system calibration and adjustments are provided in Appendix A of this manual. These forms can also be downloaded from the Belfort Instrument Co. website, http://www.belfortinstrument.com.
– For warranty support, contact Belfort Instrument Co. customer ARRANTY UPPORT support at 1-800-937-2353. When calling, please have the Belfort AWOS location and serial number available. BELFORT Proprietary Information INSTRUMENT...
CRONYMS PPLICABLE OCUMENTS This manual describes the periodic maintenance tasks to be performed on the Belfort Instrument Co. AWOS system to comply with applicable sections of the following documents: FAA AC No: 150/5220-16D Automated Weather Observing Systems (AWOS) For Non- Federal Applications FAA Order 6700.20...
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T-carrier 1 (digital transmission line, 1.544 Mbps, 24 voice channels) Ultra High Frequency Universal Integrated Communications (System) UNICOM Volts Alternating Current Volts Direct Current Belfort AWOS Version Description Document ( Configuration Baseline Document) Video Display Unit Very High Frequency Visibility Sensor...
In Test (BIT) features of the Belfort AWOS software to identify system faults and minimize troubleshooting activities. For sensor troubleshooting, removal instructions and procedures refer to section 6.0 of this manual. Refer to the Belfort AWOS Installation and Checkout manual for installation instructions and checkout of replaced sensors and components.
As a standard practice, whenever maintenance personnel visit the outdoors Belfort AWOS site location, regardless whether the visit is scheduled or unscheduled, a general walk-around inspection of the Belfort AWOS tower and associated site grounds area must be performed. This walk-around inspection should include the following observations at a minimum:...
3b. Download and install any Windows Updates indicated by the Windows OS. **The Belfort AWOS tower should be powered up with both AC and DC Circuit breakers on. Some of the sensors take up to 5 minutes for their averaged values to be reported to the DATU from the DCP.
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History for past or recurrent problems. View the Status Pages past history by selecting Status Pages from the History menu entry on the Advisor main menu. Refer to the Belfort AWOS "Operator Instruction Manual” for complete user instructions for operating the Advisor software.
9. Click on the “Defragment Now” button 10. Note the “% Free Space” If “% Free Space is less than 15% or < 3G ,” notify Belfort Instrument Company for support. 11. Click the “Defragment” button 12. Once the defragmenting process is complete you may exit all windows opened in the above listed steps.
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Record the software version on the Annual Configuration Validation Performance and Maintenance Record. 4. Contact the Belfort Factory Customer Service for the current released versions information and the software if needed. If the current installed versions of software are not the current released FAA approved versions of software, then the system should be updated with the newest released versions 6.
AWOS system is being serviced, prior to beginning this maintenance tasks. The NOTAM to be issued is "Belfort AWOS system being serviced, do not use current weather data outputs." Verify that this NOTAM advisory is displayed on the operator screen prior to beginning this maintenance tasks.
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DCP. Secure the tower in that position by tying the rope to the base of the Belfort AWOS tower. Figure 2.a illustrates the height locations where the various Belfort AWOS sensors and other system components are located on the tower. Figure 2.b illustrates the tower as typically secured for maintenance.
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Figure 2a Securing the Tower for Maintenance -14- BELFORT Proprietary Information INSTRUMENT...
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Start the ACBSTXCOM program. After 10 seconds, turn the AC circuit breaker in the Belfort AWOS power box off and then on again to force a reset. Immediately type “m” <enter> to put the DCP in monitor mode. Enter the password.
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.02 in Hg. first, repeat step 12. 14. If the sensors cannot be adjusted to within spec, then the sensors are faulty and the DCP needs to be returned to Belfort for Factory service. Follow the Belfort AWOS System Component Failure Instructions in Section 5.10.
Kestrel Model 3000 Wind Instrument. VERIFICATION INSTRUCTIONS Turn on the HHDU. Stand near the base of the Belfort AWOS tower, facing into the wind. Observe the Belfort AWOS wind indicator vane to ascertain wind direction. Turn on the Kestrel Model 3000, select average mode, and hold the Kestrel Model 3000 at eye level, square to the wind and record the temperature and relative humidity.
4. Tape Measure PROCEDURE 1. At the DATU display terminal issue a NOTAM advisory to alert users that the Belfort AWOS system is being serviced prior to beginning this maintenance tasks. The NOTAM to be issued is "Belfort AWOS system being serviced, do not use current weather data outputs."...
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If not, disconnect and reconnect the RS232 cable and remove and reapply power to the DCP once again. If this does not result in the display showing the start message with model and version number, contact Belfort Instrument Co. customer support at 1-800-937-2353.
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“FZ”. If the “FZ” is still out of range, then the instrument should be considered faulty and taken out of service. Follow the Belfort AWOS System Component Failure Instructions in Section 5.10.
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19. If the span calibration value is out of range, repeat step 18. If out of range again, the instrument should be considered faulty and taken out of service. Follow the Belfort AWOS System Component Failure Instructions in Section 5.10.
2. Kestrel Model 3000 Wind Instrument VERIFICATION INSTRUCTIONS 1. Turn on the HHDU. Stand near the base of the Belfort AWOS tower, facing into the wind. Observe the Belfort AWOS wind indicator vane to ascertain wind direction. Turn on the Kestrel Model 3000, select average mode, and hold the Kestrel Model 3000 as high as possible, square to the wind for approximately one minute.
4. Large rubber band VERIFICATION INSTRUCTIONS 1. At the DATU display terminal, issue a NOTAM advisory to alert users that the Belfort AWOS system is being serviced prior to beginning this maintenance tasks. The NOTAM to be issued is "Belfort AWOS system being serviced, do not use current weather data outputs."...
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Figure 4 Wind Direction Vane Alignment 7. Press the “REFRESH” button on the Belfort AWOS HHDU and verify that the wind direction is 360°. If the direction does not read 360°, verify that the vane is aligned parallel with the red pointer and parallel to the long axis of the cross arm.
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NOTAM that was issued to put the system in the maintenance mode. Verify that this NOTAM advisory is correctly displayed on the operator screen. Refer to the "Belfort AWOS Operator Manual" for instructions on how to enter and delete NOTAMs.
1. Before starting any power installation/Maintenance tasks, ensure that the A/C mains power circuit breaker is in the open position. 2. Do not perform outdoor Belfort AWOS maintenance tasks during a thunderstorm. 3. Use extreme caution when lowering the tilt-over tower whenever ice or snow has accumulated on the tower cross arm or the sensors.
VSWR. The tolerance for each is located in Appendix C. If the UHF transceiver is found to not be operating within the tolerances, the DCP will need to be returned to the Belfort Instrument factory for repair. Follow the Belfort AWOS System Component Failure Instructions in Section 5.10.
5.10 Belfort AWOS System Component Failure Instructions: If a Belfort AWOS system component fails a maintenance test, stops operating, or is suspect to be not operating correctly, perform the following notification steps: 1) Notify the proper airport authority of the Belfort AWOS system component failure.
IAGNOSTICS AND ROUBLESHOOTING The Belfort AWOS Tower transmits system status, sensor status and data quality status along with weather data. Advisor software captures this data and compares it to the last status received. If there is a difference in any of the data, the software writes all the data to the Advisor Status Log and to the Advisor Current Status Page.
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Temperature / Dew Point OK, Fault Visibility OK, Fault Visibility Polling Error Counter OK, Fault Data Quality Check Pressure Sensor #1 OK, Fault Check Pressure Sensor #2 OK, Fault Check Temperature / Dew Point Sensor OK, Fault -30- BELFORT Proprietary Information INSTRUMENT...
18 columns wide representing the above 18 flags. It stores a time stamped record of all the fields every time any of the status fields change. Refer to the “Belfort AWOS Operator’s Instruction Manual” for complete instructions for using the Advisor software and accessing the Belfort AWOS Status History..
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Direction sensor. Secure the tower in that position by tying the attached tower hold down rope to the base of the Belfort AWOS tower as shown in Figure 2. Put the Belfort AWOS in “service mode” by toggling the “ALERT MESSAGE” toggle switch located on the lower half of the hinged tower section six (6) times.
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1. At the DATU display terminal, issue a NOTAM advisory to alert users that the Belfort AWOS system is being serviced prior to beginning investigation of this fault. The NOTAM to be issued is "Belfort AWOS system being serviced, do not use current weather data outputs."...
This fault cannot be resolved in the field. Alert Message Status – Reports an Alert Message if a message is set at the Belfort AWOS tower. 1) If the operational condition requires an Alert condition to be set, the operator should at the tower, toggle the “ALERT MESSAGE”...
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5. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the wind Speed sensor. Secure the tower in that position by tying the attached tower hold down rope to the base of the Belfort AWOS tower as shown in Figure 2.
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4. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the wind Speed sensor. Secure the tower in that position by tying the attached tower hold down rope to the base of the Belfort AWOS tower as shown in Figure 2.
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5. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the wind Speed sensor. Secure the tower in that position by tying the attached tower hold down rope to the base of the Belfort AWOS tower as shown in Figure 2.
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4. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the wind Speed sensor. Secure the tower in that position by tying the attached tower hold down rope to the base of the Belfort AWOS tower as shown in Figure 2.
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4. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the wind speed sensor. Secure the tower in that position by tying the attached tower hold-down rope to the base of the Belfort AWOS tower as shown in Figure 2.
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4. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the wind speed sensor. Secure the tower in that position by tying the attached tower hold-down rope to the base of the Belfort AWOS tower as shown in Figure 2.
16. If no replacement sensor is immediately available, remove the faulty sensor from the system. 17. Put the Belfort AWOS Alert in “Wind Direction Inoperable” mode by toggling the “ALERT MESSAGE” toggle switch located on the lower half of the hinged tower section three (3) times.
Directions to find hard copies of the Belfort AWOS record forms are provided in Appendix A to this manual or they can be downloaded from the Belfort Instrument Co. website, http://www.belfortinstrument.com.
2. Phillips head screwdriver Removal Procedures: Refer to Figure 8. 1. At the DATU display terminal, issue a NOTAM advisory to alert users that the Belfort AWOS system is being serviced prior to beginning investigation of this fault. The NOTAM to be issued is "Belfort AWOS system being serviced, do not use current weather data outputs."...
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8. Contact Belfort Instrument Co. customer support to make arrangements for replacement of defective components. 9. Refer to the Belfort AWOS Installation and Checkout manual Section 9.0 for installation and checkout of the replacement parts. 10. Document sensor replacement on the FAA form 6030-1.
2. Socket wrench and ¾" socket Removal Procedures: Refer to Figure 6. 1. At the DATU display terminal, issue a NOTAM advisory to alert users that the Belfort AWOS system is being serviced prior to beginning investigation of this fault. The NOTAM to be issued is "Belfort AWOS system being serviced, do not use current...
2. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the Temperature/Humidity Sensor. Secure the tower in that position by tying the attached tower hold-down rope to the base of the Belfort AWOS tower as shown in Figure 2.
2. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the Wind Speed Sensor. Secure the tower in that position by tying the attached tower hold-down rope to the base of the Belfort AWOS tower as shown in Figure 2.
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16. Reinstall the screw on the top of the tri-cup assembly. 17. Go to step 10 of this procedure and follow those directions. Figure 11. Wind Speed Removal -50- BELFORT Proprietary Information INSTRUMENT...
2. Remove tower-securing bolts and tilt the tower until the cross arm is at a comfortable working height to access the Wind Direction Sensor. Secure the tower in that position by tying the attached tower hold-down rope to the base of the Belfort AWOS tower as shown in Figure 2.
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16. Position the new vane on the direction shaft and tighten the set screws. 17. Use the rubber band to secure the vane as shown in Figure 4. 18. Go to step 11 of this procedure and follow instructions. Figure 12 Wind Direction Sensor Removal -52- BELFORT Proprietary Information INSTRUMENT...
Small slotted screw driver Removal Procedures: Refer to figure 13. 1. At the DATU display terminal, issue a NOTAM advisory to alert users that the Belfort AWOS system is being serviced prior to beginning investigation of this fault. The NOTAM to be issued is "Belfort AWOS system being serviced, do not use current weather data...
NSTRUCTIONS SAFETY PRECAUTIONS 1. Do not perform outdoor Belfort AWOS maintenance tasks during a thunderstorm. 2. Use extreme caution when lowering the tilt-over tower whenever ice or snow has accumulated on the tower cross arm or the sensors. The extra weight may cause the tower to fall over rapidly.
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Slotted screw driver Removal Procedures: Refer to figure 13. 1. At the DATU display terminal, issue a NOTAM advisory to alert users that the Belfort AWOS system is being serviced prior to beginning investigation of this fault. The NOTAM to be issued is "Belfort AWOS system being serviced, do not use current weather data outputs."...
Belfort Instrument Co. website, http://www.belfortinstrument.com, frequently to obtain the latest information regarding product technical support and to obtain answers to frequently asked questions. When replacement parts are needed, contact the Belfort Customer Support number, 800-937-2353, to make arrangements and assure all necessary authorizations are obtained for Warranty and other replacement parts to minimize delays in component replacement turn- around.
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Appendix A Belfort AWOS® Maintenance Forms BELFORT Proprietary Information INSTRUMENT...
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4. Tower/DCP Mounting Assembly Visual Inspection (refer to Maintenance Manual section 5.7): A. Check for obvious mechanical damage to system and repair or replace as needed B. Verify obstruction lighting is functional and repair or replace as needed BELFORT Proprietary Information INSTRUMENT Belfort AWOS Tri-annual Maintenance Form Mar 2012...
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E. Return the system to service and verify the system is reporting data as expected. Perform the Verification of the Belfort AWOS Atomic clock per the Verification Procedure in Maintenance Manual Appendix G. Pass Fail ...
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Site Location: __________________________________________ Date: _______________ This Annual System Validation must be coordinated with the FAA Regional Flight Standards District Office representative assigned to this facility. Belfort AWOS Version Description Document VDD is located in the site Belfort AWOS Maintenance Log binder. Concurrently Witness ...
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If a replacement was made, verify that P/N and Revision installed is acceptable to current Yes No authorized VDD baseline. Record any configuration difference identified ______________________________ BELFORT Proprietary Information INSTRUMENT Belfort AWOS Annual Maintenance Form, Jan 2013...
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9. Perform the Verification of the Belfort AWOS Atomic clock per the Verification Procedure in Maintenance Manual Appendix G. Pass Fail Battery voltage within between 3.5v and 4.8v Clock is receiving WWVB Updates. Last update is with 5 days of current date.
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OMPREHENSIVE Facility Performance and Adjustment Record Version- Jan 2014 Site Location: __________________________________________ Date: _______________ Belfort AWOS Version Description Document VDD is located in the site Belfort AWOS Maintenance Log binder. 1. DATU Maintenance (refer to Maintenance Manual Section 5.1) Completed ...
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Complete Air Nav Document attached to this sheet: Yes ______ No:_____. DCP Enclosure cover screws fully tightened: Yes ______ No:_____. Barometric Pressure Sensor (refer to Maintenance Manual section 5.2) DCP S/N: Reference Belfort AWOS Acceptable Adjustment Value _________ Standard (A) Reading (B) Tolerance...
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If a replacement was made, verify that P/N and Revision installed is acceptable to current Yes No authorized VDD baseline. 11. Perform the DCP UHF Data Radio Accuracy Test Section IV of Appendix E Belfort AWOS Commissioning / Annual Inspection Procedure. Record the measured values: Belfort AWOS UHF Data Radio Accuracy Checklist: 1.
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6. Unicom VSWR: _____________________ (< 3.0:1) 12. Record all corrective actions or adjustments made on FAA Form 6030-1 11. Return the system to service and verify the system is reporting data as expected. Completed by: ___________________________ Date: ___________ BELFORT Proprietary Information INSTRUMENT...
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Appendix B Belfort AWOS® Tri-Annual, Annual & 5-Year Maintenance Plan BELFORT Proprietary Information INSTRUMENT...
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1. Viewing the system data outputs on a HHDU and at the DATU display screen to check for missing data and/or error status reports and listening to the phone and Unicom voice outputs to verify the system data outputs are as expected for the specific Belfort AWOS configuration options installed at the site.
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Five - Year Maintenance Tasks: There are no specific five- year maintenance tasks to be completed for the Belfort AWOS system. All scheduled tri-annual and annual maintenance tasks shall continue to be performed at tri-annual and annual frequencies for as long as the Belfort AWOS weather system remains in service.
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Appendix D Standard Unicom Radio ICOM A110 VHF Radio Specifications BELFORT Proprietary Information INSTRUMENT...
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The ICOM radio drives a Bird Model 25-AMFN-06 (25 w 6 db) attenuator to the antenna. The radio output is adjusted down to 6 watts max output into the attenuator at the Belfort factory. After the attenuator, the maximum output RF power delivered to the antenna is 2.5 +-.25watts.
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(at 13.75 V; 10% dist.; 60% mod.) 1.5 W typical w/8Ω load Internal speaker More than 10.0 W w/8Ω load External Speaker More than 0.1 W w/500Ω load Headeset (side tone) AF output impedance 8Ω EXT SP 500Ω Headset (side tone) BELFORT Proprietary Information INSTRUMENT...
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Appendix E Belfort AWOS Commissioning/ Annual Inspection Procedure & Data Record BELFORT Proprietary Information INSTRUMENT...
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Belfort AWOS Commissioning / Annual Inspection Procedure This procedure is to be used to ensure that the Belfort AWOS AV 100 system meets the FAA requirements for both Commissioning and Annual Inspections. *Per FAA Circular 150/5220-16D, section 2.9.a, all maintenance technicians must meet the qualifications defined in FAA Order 6700.20, Non-Federal Navigational Aids and Air...
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If the voltage will not adjust to within range, replace the power supply. c) DCP/Obstruction Light Power Supply voltage. Measure the DCP/OBS Power Supply voltage on the DCP PS connection terminals. The voltage BELFORT Proprietary Information INSTRUMENT...
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Commissioning / Annual Record Data Sheet and go to test Step f. f) Close the Battery Circuit Breaker. Belfort AWOS DCP UHF Data Radio Accuracy Test: Notify Regional OCC that system is being taken out of service if it is a commissioned system.
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Commissioning / Annual Record Data Sheet. If the VSWR is out of range, then the antenna cable should be inspected for damage or kinks, or the Ritron RF Transceiver should be replaced. Press any key on the PC keyboard to stop the “K” 1 Khz tone output. BELFORT Proprietary Information INSTRUMENT...
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Press any key on the PC keyboard to stop the “K” 1 Khz tone output. Disconnect the Bird Model 5010 Directional Power Sensor from the antenna and DCP coax cables. Reconnect the DCP antenna cable back to the Ritron Transceiver. Replace the cover on the DCP enclosure. BELFORT Proprietary Information INSTRUMENT...
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Else the radio is suspect bad and should be replaced. On the FBO PC connected to the radio, initiate the 1 khz tone output on the audio output lines as follows: a) On PC navigate to: c:\Belfort AWOS folder; b) Double click on: "1khz.wav"; BELFORT...
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On the FBO PC connected to the radio, initiate the 1 khz tone output on the audio output lines as follows: a) On PC navigate to: c:\Belfort AWOS folder; b) Double click on: "1khz.wav"; c) The 1 KHz tone will start to play.
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Belfort AWOS Commissioning / Annual Inspection Record Data Sheet Version- Feb 2014 Date: ____/____/______ Pressure Standard SN__________ Cal Date_______________ Location: ________________ HP 8920B Comm. Test Set Cal Data _____________________ Bird DPM-50C 400 – 960 MHZ Elements Cal Date___________ Bird DPM-50C 100 – 250 MHZ Elements Cal Date___________...
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Appendix F DCP Site Configuration Procedure BELFORT Proprietary Information INSTRUMENT...
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11. In the DCP Power Enclosure, turn ON AC power by turning on circuit breaker 1. 12. Immediately enter on the PC, the monitor command by entering “m” <cr>. 13. If the unit responds with an “Enter Password” message, enter the default password “XXXXXXXXX”, <cr>. BELFORT Proprietary Information INSTRUMENT...
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Software Firmware Archive Released folder. If firmware is not correct, return the unit to the Belfort Factory for code upgrade. 15. Enter a “v” command followed by a <cr>. The program will respond with the name and version of the sensor board program loaded in the DCP.
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32. To enter the “Visibility Sensor Baud Rate”, press the backspace key until the field is blank. For the standard Visibility Sensor Model “6000”, the standard Baud Rate is “9600”. Enter the Baud Rate value. Press <cr>. Enter the Visibility Sensor Baud Rate on the Comprehensive Facility Performance and Adjustment Form. BELFORT Proprietary Information INSTRUMENT...
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35. Confirm that the six DCP enclosure cover screws are fully tight. 36. On the Belfort AWOS Handheld Receiver or the Belfort AWOS FBO DATU unit, monitor telemetry from the tower and verify all expected telemetry is present. If any telemetry value does not appear on the Handheld or the FBO PC, then trouble shoot the system and repair as required.
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Appendix G Belfort AWOS Atomic Clock Verification Procedure BELFORT Proprietary Information INSTRUMENT...
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Belfort AWOS Atomic Clock Verification Procedure 06/01/2014 The Belfort AWOS Atomic Clock can be tested, configured and verified using the following procedure. Units are typically not shipped with batteries installed. The unit uses 3 AAA batteries. Do not use rechargeable batteries is this unit.
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T 01/29/2013-13:41:59 If the unit still reports the wrong local time, contact the Belfort Service Tech or factory for instructions. If the unit has been powered and previously connected to the PC with the Belfort AWOS Application operational for a test period, enter the command RS followed by the enter key.
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