Agilent 4155C/4156C User’s Guide Vol.1, Edition 11 1-9
Introducing the 4155C/4156C
Front View of the 4155C/4156C
• MEASUREMENT key group
Measurement keys control the measurement, stress, and integration time.
Single key Executes the measurement once, then returns to the idle
state (or standby state if standby is enabled for the channel)
after the measurement is finished. Measurement data is
updated, so data of previous measurement is lost. Pressing
the green key, then
Single key starts knob sweep
measurement.
Repeat key Starts and repeats the measurement continuously.
Measurement data is updated, so data of previous
measurement is lost. To stop the measurement, press
Stop
key.
Append key Executes the measurement once, then returns to idle state
(or standby state if standby is enabled for the channel) after
measurement is finished. Measurement data is appended to
data of previous measurement.
Stop key Stops the measurement or stress. Standby enabled channels
return to standby state, and other channels return to idle
state.
Standby key Toggles 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 finishes.
Stop key has no
affect on standby state.
Stress key Forces the specified stress. The guide around this key
prevents you from accidently pressing the
Stress key.
Short, Medium,
and
Long keys Sets the integration time to SHORT, MEDIUM, or LONG,
respectively.
• MEASUREMENT indicator
This indicator lights when the 4155C/4156C is in the measurement state.
• HIGH VOLTAGE indicator
This indicator lights when a unit forces more than 40 V.