HP 4155A, User'S Task Manual

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Introducing the HP 4155A/4156A
Overview of HP 4155A/4156A
MEASUREMENT key group.
Measurement keys control the measurement, stress , and integration time .
4
Single
5 Executes the measurement once , then returns to the idle state
(or standby state if standby is enabled for the channel) after the
measurement is nished. Measurement data is updated, so data
of previous measurement is lost. Pressing the green key , then
4
Single
5 key starts knob sweep measurement.
4 Rep eat 5 Starts and repeats the measurement continuously . Measurement
data is updated, so data of previous measurement is lost. T o
stop the measurement, press 4 Stop 5 key .
4 App end 5 Executes the measurement once , then returns to idle state
(or standby state if standby is enabled for the channel) after
measurement is nished. Measurement data is appended to data
of previous measurement.
4 Stop 5 Stops the measurement or stress . Standby enabled channels
return to standby state , and other channels return to idle state .
4
Standb y
5 T oggles between the standby enabled (Standby indicator is lit)
and disabled states . If Standby indicator is lit, then STBY ON
channels change to standby state (instead of idle state) when
measurement or stress nishes . 4
Stop
5 key has no aect on
standby state .
4 Stress 5 F orces the specied stress . The guide around this key prevents
you from accidently pressing the 4 Stress 5 key .
4 Short 5 ,
4 Medium 5 ,
and 4 Long 5
Sets the integration time to SHORT , MEDIUM, or LONG,
respectively .
MEASUREMENT indicator.
This indicator lights when HP 4155A/4156A is in the measurement state .
HIGH V OL T A GE indicator.
This indicator lights when a unit forces more than 40 V .
Standby indicator.
This indicator lights when the HP 4155A/4156A is standby enabled, which
means that the channels that are standby enabled (STBY ON ) will return to
the standby state after the measurement is nished.
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