Operating Instructions
1720/1721
2-11
0°
10°
d∅
10°
20%
dG
YL
10%
dG
yl
75% 100%
100%
75%
g
R
V
cy
MG
Q
b
U
B
mg
-- I
CY
r
G
10°
20°
30°
40°
50°
Figure 2-5: Modulated staircase waveform shown on a 1721. A 1720 would have
what would appear to be an intensified burst.
