Operation
Manual 20791, Rev. C, June 2001 2-41
[CURSOR
∆
ON/OFF]
Menu F5: Toggles the cursor
∆
on or off. The state that the cursor
∆
capability is currently in (On
or Off) is displayed in light blue.
When the cursor
∆
is turned on, the regular cursor capability of the instrument will also be turned
on if it is off. The cursor
∆
frequency is set to the frequency of the regular cursor, and a
∆
symbol is
placed at the cursor frequency on all channel traces. At that moment, the two cursor symbols will
be superimposed upon each other. When the cursor
∆
is on, the cursor
∆
frequency is displayed at
the bottom of the display on the frequency label line.
While the cursor
∆
is on, all regular cursor power measurements are made relative to the power
level at the cursor
∆
. When the cursor
∆
is turned on, it is then possible to move the regular cursor.
The entry area of the display will indicate both the cursor frequency and the power at the cursor fre-
quency relative to the power at the cursor
∆
frequency for the entry channel. The regular cursor fre-
quency can then be changed by using either the spin knob or the numeric entry keypad.
When the cursor
∆
is turned off, the displayed cursor power reverts to the power level of the mea-
surement being taken at the cursor frequency.
NOTE:
When the regular cursor capability is turned off, the cursor
∆
is automatically
turned off. If the regular cursor capability is then turned back on, this will not reactivate
the cursor
∆
capability which must be separately turned on again.
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