Agilent Technologies 54751A Manual page 33

NNNNNNNNNNNNNNNNN The Units function lets you select the unit of measure appended to the
Units
channel scale, o set, trigger level, and vertical measurement values. For the
plug-in module, the units are Volts, Amperes, Watts, or unknown. Use Volt for
voltage probes, Ampere for current probes, Watt for optical-to-electrical (O/E)
converters, and unknown when there is no unit of measure or when the unit
of measure is not one of the available choices.
Key Path
4
and
When you select Ampere, Watt, or unknown on an electrical channel, two
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Ext gain
additional functions become available: External Gain and External O set.
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Ext offset
These two additional functions allow you to compensate for the actual
characteristics of the probe rather than its ideal characteristics. For example,
you might have an ampli ed lightwave converter with ideal characteristics
of 300 V/W with 0 V o set. But, its actual characteristics are 324 V/W with
1 mV of output o set. Therefore, set the External Gain to 324 V/W and the
External O set to 1 mV.
Key Path
4
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4
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4
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External scale . . .
Channel
5
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External scale . . .
Channel 5
Ext Offset
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External scale . . .
Channel
5
Ext Offset
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External scale . . .
Channel
5
Ext Offset
FINAL TRIM SIZE : 7.5 in x 9.0 in
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Units
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Units Volt Ext gain
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Units Watt Ext gain
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Units Unknown Ext gain
Channel Setup Menu
or
or
or
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