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Enabling Auxiliary Channels
Once a full two-port calibration is active, the auxiliary channels can be enabled.
‘Ib
enable
channel 3 or 4, press:
1.
@&X1)
or lchan]
2. @z&iq--
Once enabled, an auxiliary channel can be made active by pressing
[than)
twice (for channel
3),
or twice
[than),
(for channel 4). The active channel is indicated by an amber LED adjacent
to the corresponding channel key. If the LED is steadily on, it indicates that primary channel 1
or 2 is active. If it is flashing, it indicates that auxiliary channel 3 or 4 is active.
Multiple Channel Displays
The analyzer has the ability to display multiple channels simultaneously, either overlaid or
on separate graticules. Refer to “Display Menu” later in this chapter for illustrations and
descriptions of the different display capabilities.
Uncoupling Stimulus Values Between Primary Channels
You can uncouple the stimulus values between the two primary channels by pressing
LMenu)
. . . . . . . . . . .
.
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is
_
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. . . .
ii
/
.:::.:::
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~~~~~~~~~
.
‘IJ&
&JWS
you
to
a&gn
different
stylus
v&es
for
each
camel;
it’s
__,,_
;,:.:.:.~.:.:.~~~::,.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.~~~:.~,.~.,:,~,~.~
,.,.,.,,,/,,,,,,,,,,,,,,,
almost
like having the use of a second analyzer. The coupling and uncoupling of the stimulus
values for the two primary channels are independent of the marker and display functions
Refer to “Channel Stimulus Coupling” later in this chapter for a listing of the stimulus
parameters associated with the coupled channel mode.
Coupled Markers
Measurement markers can have the same stimulus values (coupled) for
ali
channels, or they can
be uncoupled for independent control in each channel. Refer to “Markers” later in this chapter
for more information about markers
Entry Block Keys
The entry block, illustrated in Figure 6-4, includes the numeric and units keypad, the knob,
and the step keys, You can use these in combination with other front panel keys and softkeys
for the following reasons:
n
to modify the active entry
H
to enter or change numeric data
w
to change the value of the active marker
n
to hide the softkey menu
Generally, the keypad, knob, and step keys can be used interchangeably.
Application and Operation Concepts 6-6