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9
Line
The instrument can store 30 measuring lines, each measuring line can store 30 measuring points.
The display information of measuring line and measuring point is shown at the bottom, the
number behind "Line=" indicates the current line number, the number behind " Site=" indicates
the stored measuring points on the current measuring line. For example, "Line=5 ; Site= 20"
indicates 20 points has been measured on the No. 5 line.
The method of selecting measurement line: Select the " Line " at Tri-band Mode, press the "OK "
button, then move the cursor to the bottom of the display of " Line = ", and through "
↓
","
↑
" on instrument to select measuring line. "
←
","
→
" select measuring point, press the “ OK
“ button , you can make the next sampling measurement operation.
Freq.
Choose a frequency(25Hz, 67Hz, 170Hz), so that display the curve and data of specified
frequency. The selected frequency which display the numbers behind " Freq = ".
Press " OK " button to enter the frequency selection, press the "
↓
" or "
↑
" button to select the
frequency. After selected, press the "OK" button to return , then press "
→
" button to select
"Display", click "OK " button to display the curve corresponding to the frequency selected.
Sampling ( measurement) :
Select the "sampling " in the Tri-band interface, press "OK" button, then can be carried out three
frequency sampling ( measurement) operation. The screen below shows: “ Wait sampling “,
press the “ OK ” button to proceed, the status bar below shows: Sampling . . ., then DATA
column shows the sampling data of three frequency (25Hz, 67Hz, 170Hz). After sampling display :
Sampling is completed, press OK to continue. After the OK button is pressed again, " the number
after the " Site= " will plus 1, and then measure the data of next point. You can repeat this step
until you complete a measuring line (N
≦
30). Since the instrument stores up to 30 measuring
points at each measuring line, so when the number of points is 30 ("Site= 30"), then click on the "
Sampling " button, the instrument will cover the previous measurement point. Now you must
press "
←
" button, enter" Line " re-select the measuring line, and then keep going the measuring
operation.
Delete
Unforeseen circumstances during measurement , you need to delete a measuring point data, press
the "
→
" button to move to " Delete " and press the "OK" button, point number ( the number
behind " Site =" ) minus 1 , indicating that the point data is deleted.
Display
Press the OK button at " Display " option, the curve of this frequency ( specific frequency is the
number behind " Freq = " at this measuring line (specific line is the number behind Line =") will
be displayed on the screen. Then the status bar below display: “ Arrow Keys select Lines & Freq
(press the Left/Right button to select the measuring line, press the UP/Down button to select the
frequency). Press the "OK" button, the content displayed will be returned to the Tri-band Mode
interface as shown in Figure 4 above.