Tabor Electronics 5251, User Manual

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3
ArbConnection
The Control Panels
3-23
Depth
The Depth parameter programs the modulation depth, or index in
percent of the un-modulated CW amplitude. The depth is
symmetrical about the center of the CW amplitude.
Figure 3-14, the AM Panel
Sweep
The Sweep group contains parameters for controlling sweep
options. To turn the Sweep function on and off, click on the
SWP
button in Modulation group. The various parameters that control
sweep features are described below.
Step
Use these keys to select sweep step from two increment options:
linear, or logarithmic.
Direction
Use these keys to program sweep direction. Up select sweep from
Start to Stop sample clock setting and Down selects sweep from
the Stop to Start sample clock setting.
Parameters
Allow adjustment of Sweep Start, Stop and Sweep Time. You can
also place a marker at a position programmed by the Mark
parameter. To access the required parameter, click on the button
below parameters sub-group until the LED next to the required
parameter turns on. The value that is associated with the lit LED is
displayed on the digital display. You can use the dial, keyboard, or
the [
↑
] [
↓
} keys to adjust the readout to the required setting. After
you modify the reading, press Execute to update the 5251 with the
new setting.