Kenwood CS-6040 Instruction Manual

3) Adjust the 1 0 % point to a vertical graduation line withthe P O S I T I O N control. Measure the horizontal dis-tance between the 1 0 % and 9 0 % points. Multiply thishorizontal distance by the S W E E P T I M E / D I V setting.N O T E : T h e C R T provides graduation lines representing0 , 1 0 , 9 0 , and 1 0 0 % , where 5 divisions =1 0 0 % . These lines should be used for this meas-urement.Rise time = Horizontal distance (div) x S W E E PT I M E settingA l i g n t o v e r t i c a l g r a d u a t i o n linew i t h <+ • P O S I T I O NR i s e t i m eC e n t e r 9 0 % p o i n t w i t h< • P O S I T I O N t o r e a d D 2C e n t e r 1 0 %p o i n t w i t h•4 • P O S I T I O Nt o r e a d D ,[ E X A M P L E ]In the example s h o w n in Fig. 3 9 , the measured Di is1.6 divisions while D 2 is 1.4 divisions. If S W E E PT I M E / D I V setting is 2 /xs,Rise time = ( 1 . 6 + 1 . 4 ) ( d i v ) x 2 (ps/div) = 6 fis[ E X A M P L E ]In the example s h o w n in Fig. 3 8 , measured horizontaldistance is 3 . 3 divisions. If S W E E P T I M E / D I V settingis 2 /is/div,Rise time = 3 . 3 (div) x 2 (/is/div) = 6.6 psRise time and fall time can also be measured by chang-ing item 3) above as follows:4) Adjust the 1 0 % point to the center vertical graduationline with the P O S I T I O N , and measure the horizon-tal distance to the point that crosses the center horizon-tal line. Let this distance be D i . T h e n , adjust the 9 0 %point to the center vertical graduation line with the •P O S I T I O N , and measure the horizontal distance to apoint that c r o s s e s the horizontal graduation line like-w i s e . Let this distance be D2.T h e total horizontal distance is then Di + D2. Multiplythis total distance by the S W E E P T I M E / D I V setting.Rise time = (Di + D2 )(div)x S W E E P T I M E / D I V setting1 2 ) Cursor Measurement Procedures1) Adjust amplitude of the displayed w a v e f o r m to 5 divi-sions through the normal procedures above. Control the• POSITION so that the crest and trough of the w a v eare set to the 0 % and 1 0 0 % points respectively.2) Select the AT cursor mode with the C U R S O R S .3) Align the AREF cursor to the point where the waveformto be measured c r o s s e s the 1 0 % graduation line andthe zlcursor to the point where the waveform c r o s s e sthe 9 0 % graduation line.4) Measured value is displayed following AT in the upperright of the C R T .M e a s u r e d v a l u e - ^Fig. 4 035R i s e t i m eFig. 3 9Fig. 3 8c u r s o ri R E F c u r s o r