Vectra Genisys Service Manual - DJO Global

5- TROUBLESHOOTING5.17 ULTRASOUND DUTY CYCLE TESTThis test is performed using only the 5 cm 2 VectraGenisys, Intelect Legend XT or Intelect Vet Applicator.A. Ultrasound Duty Cycle Test Procedures1. Set up Ohmic Instruments UPM DT10 or DT 100 Ultrasound Power Meterper Operator’s Instructions and fill testreservoir with Degassed Water.2. Place an Applicator into the Power Meterretainer. Make certain the Sound Head iscompletely submerged in the degassedwater and centered directly over theStainless Steel Cone. See Figure 5.23.3. “Zero” meter.4. Press Ultrasound Button. Press Edit Button.5. Press Duty Cycle Button until 100% isdisplayed within the Duty Cycle icon.6. Press Display Button until “Watts” appearswithin the Display icon.7. Press “Start”.8. Rotate Therapy Intensity Control clockwiseuntil “Watts” is displayed. See Figure 5.24.9. Compare Power Meter readings to Figure5.24 to all settings for the respectiveApplicator being tested as shown inFigure 5.24.10. Press Frequency Button until 3.3 MHzis displayed within the Frequency icon.Repeat test and compare readings toFigure 5.24.B. Ultrasound Duty Cycle Test Results1. Duty Cycles fall within the specifiedranges as listed in Figure 5.24.Unit passed test.2. Readings fall outside specified ranges ofFigure 5.24.a) Possible bad degassed water in PowerMeter.b) Possible use of Power Meter other thanOhmic Instruments UPM DT 10 orDT 100 Ultrasound Power Meter.c) Possible bad or out of calibrationApplicator. Re-test with known goodUltrasound Applicator.d) Possible bad internal connection atUltrasound Board.e) Check Ultrasound Board internalconnections.f) Replace Ultrasound Board.g) Replace Control Board.Vectra Genisys®/Intelect Legend XT®/ Intelect® Vet Therapy SystemsFIGURE 5.23USE ONLY DEGASSED WATER IN POWER METER FORTESTING ULTRASOUND APPLICATORS. USE OF OTHERTYPES OF WATER WILL CAUSE FALSE TEST RESULTS. SEEPAGE 37 FOR DEGASSED WATER RECIPES.DO NOT AERATE WATER WHEN FILLING POWER METERAPPLICATOR OUTPUT SPECIFICATIONSAPPLICATOR SIZE DUTY CYCLE OUTPUT RANGE5 cm 2 10% 0.8 - 1.220% 1.6 - 2.450% 4.0 - 6.0100% (Continuous) 8.0 - 12.0FIGURE 5.2451