Source Modulation Ratio
Sets the modulation ratio for modulated IRIG (B12x).
SOURCE OUTPUT LEVEL
Edit Modulation Ratio
SAVE
CANCEL
Ratio
10:3
100% H
Figure 15: Adjust the Source AC Modulation Ratio
1. Touch the Modulation Ratio button to select the desired ratio
– includes 2:1, 3:1, 10:3, 4:1, 5:1, 6:1 and 7:1.
Note:
for
higher modulation ratios (e.g. 4:1 and higher), the Source
Output Level may need to be adjusted higher.
2. In the SOURCE OUTPUT LEVEL, Edit Modulation Ratio
screen, touch the UP or DOWN buttons to set the modula-
tion ratio.
3. Touch
SAVE
to store the new voltage and return to the
previous menu screen.
4. Touch
CANCEL
to return to the previous screen without
saving.
19
Summary of Contents for 940A
Page 10: ...x ...
