DATATEC HAMEG HM8135, User Manual

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34
Types of Modulation
4 Types of Modu-
lation
4 .1 Amplitude modulation (AM)
After selecting D% (AM MEMU) using the context sensi-
tive keys
5
, the display shows:
A new value of the modulation depth can be entered from
the data keypad
11
or modified by the rotary knob
10
or by
one of the four context sensitive keys
5
.
The modulation depth may be changed from 0 to 100%
with a resolution of 0.1%.
The return to the previous menu is possible by pressing
the PREV. key
3
and the return to the main display by
pressing the ESC key
13
.
Example 3:
For AM sine (depth: 50%), the display shows:
Example 4:
For AM square (depth: 50%), the display shows:
Example 5:
For AM triangle (depth: 50%), the display shows:
Example 6:
For AM positive ramp (depth: 50%), the display shows :
Example 7:
For AM negative ramp (depth: 50%), the display shows :
4 .2 Frequence modulation (FM)
After selecting DEV (FM MEMU) using the context sensi-
tive keys
5
, the display shows:
A new value of the deviation can be entered from the data
keypad
11
or modified by the rotary knob
10
or by one of