Keithley 2657A User Manual

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
U
ser
s
t
a
t
e
+
–.– – – –n
A
S
rcA:+
3
.
00000
kV LimA:1
P
ress
D
ISPL
A
A
Y
A
A
key
Y
P
r
ess
D
I
S
PL
A
A
Y
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.

Keithley 2657A Specifications

General

Brand	Keithley
Model	2657A
Category	Measuring Instruments
Language	English