User`s guide
4- 4 Agilent B2900 User’s Guide, Edition 2
Front Panel Reference
Hard Keys and Rotary Knob
Cancel / Local Cancels the setup operation if the instrument is in the local status. Returns the
instrument to the local status if it is in the remote status.
On/Off Used to enable or disable the SMU channel. Turns the channel off if it is in the
output status even if it is in the remote status. One switch on 1-channel models, and
two switches on 2-channel models.
The switch turns green if the channel is enabled.
The switch turns red if the channel is in the high voltage state.
Numeric/alpha
keys
Used to enter the value for setup parameters such as the source output value, limit
(compliance) value, and message, specified by the field pointer. The value can be
changed if the field pointer is in the EDIT (green) status.
Rotary knob If the field pointer is in the MOVE (blue) status, turning the knob moves the pointer.
Pressing the knob fixes the pointer position and changes the pointer status to EDIT
(green).
If the field pointer is in the EDIT (green) status, turning the knob changes the value
of the setup parameter specified by the pointer. Pressing the knob fixes the value and
changes the pointer status to MOVE (blue).
If the field pointer is in the EDIT (green) status on a setup field other than the
Source field and the Limit (Compliance) field, turning the knob changes the setting
value. The value is applied by pressing the knob.
If the field pointer is in the EDIT (green) status on the Source or Limit (Compliance)
field, turning the knob changes the setting value of the source channel in real time.
If the digit pointer is on a digit of a numeric value entry field, turning the knob
changes the value of the digit. Note that changing the value from 9 to 0 or from 0 to
9 changes the value of the next digit.
If the digit pointer is on the decimal point of a numeric value entry field, turning the
knob moves the decimal point.
Left and right keys If the field pointer is in the MOVE (blue) status, pressing the key moves the pointer.
If the field pointer is in the EDIT (green) status, pressing the key changes the value
of the setup parameter specified by the pointer.
If the field pointer is in the EDIT (green) status on a numeric value entry field,
pressing the key changes the pointer to the digit pointer.
If the digit pointer is on a digit of a numeric value entry field, pressing the key
moves the pointer on the digits.