10-31
IM 701310-01E
Analysis and Search
3
2
1
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
App
Index
• Setting the Threshold Levels
14.
Use the rotary knob and SET to select Set Threshold Levels.
15.
Press the V/% soft key to set the level unit to V or %.
• V: You can set the level in the range of �10 divisions in steps 17 and 19. The unit
changes depending on the set conditions.
• %: You can set the level from 0 to 100% in steps 17 and 19. The difference between Vtop
and Vbase is taken to be 100%.
16.
Press the Upper soft key.
17.
Use the rotary knob to set the high threshold level.
18.
Press the Lower soft key.
19.
Use the rotary knob to set the low threshold level.
20.
Press ESC to return to the previous screen.
• Setting the Dark Level
21.
Use the rotary knob and SET to select Set Vdark(for Ext Rate).
22.
Use the rotary knob to set the dark level (zero light level).
23.
Press ESC to return to the previous screen.
24.
Press ESC to return to the EYE DIAGRAM menu.
Setting the Accumulation Count
25.
Press the Accum Count soft key.
26.
Use the rotary knob to set the accumulation count.
Turning the Mask Display ON and OFF
27.
If necessary, press the Mask soft key to turn the mask images ON or OFF.
10.4 Performing a Telecom Test (Mask Test and Eye Pattern Measurement)