Keithley 2657A, Reference Manual, Page: 40 / 805

Section 2: General operation Model 2657A High Power System SourceMeter® Instrument Reference Manual
2-16 2657A-901-01 Rev. B/December 2012
The up and down range keys change the format of the limit value.
Beeper
The Model 2657A includes a beeper. When it is enabled, a beep indicates one of the following
actions have occurred:
•
A front-panel key was pressed: A short beep, similar to a key click, is issued.
•
The navigation wheel was turned or pressed: A short beep is issued.
•
A longer beep is issued when you press the OUTPUT ON/OFF control (turn the output on or off).
To turn the beeper on or off from the front panel:
1. Press the
MENU
key, and then select
BEEPER
.
2. Select one of the following:
•
ENABLE
•
DISABLE
To turn the beeper on or off from a remote interface:
Set the
beeper.enable
attribute. For example, to enable the beeper, send:
beeper.enable = 1
Display mode
Use the
DISPLAY
key to scroll through the various display modes shown in the figure below. Refer to
Display operations (on page 3-68) for more information about the display.
Figure 5: Display modes
NOTE
User state
+ –.– – – –nA
SrcA:+3.00000kV LimA:1.00000mA
Press DISPLAY key y
Press DISPLAY key y
User state
+ –.– – – –nA
SrcA:+3.00000kV LimA:1
Press DISPLA AY A A key Y
Press DISPLA AY A A key Y
Source-measure and compliance limit display for SMU A:
- Top line displays the measure function (V, A,
Ω
, or W).
- Bottom line displays the source function (V or A) and
level, and the compliance limit (V, A, or W).
– – – – – Indicates that a measured reading has not been
triggered.
Display for user-defined messages and prompts.