1-22 Getting Started 2400 Series SourceMeter
®
User’s Manual
Menu item
1
Description Parameters
A/D CTRL
AUTO ZERO
5
DISABLE
ENABLE
ONCE
LINE FREQ
NPLC CACHE
DISABLE
ENABLE
REFRESH
RESET
GENERAL
DIGOUT
SERIAL#
TIMESTAMP
FAN (2420, 2425, 2430, and
2440)
NUMBERS
BEEPER
Control auto-zero, line frequency, NPLC caching.
Control auto zero.
Disable auto zero.
Enable auto zero.
Force auto zero immediate update.
Set line frequency.
Control NPLC caching.
Disable NPLC caching.
Enable NPLC caching.
Update all NPLC values in cache immediately.
Clear NPLC cache of all NPLC values.
Select general operations.
Set Digital I/O port bit pattern.
Display serial number, firmware revision, SCPI
version.
Reset timestamp.
Set fan speed control. ALWAYS — fan runs at the
same speed with the output on or off. OUTPUT
ON — fan runs at low speed with the output off.
See “Cooling fan,” page 1-13.
Select engineering units or scientific notation display
format.
Enable or disable beeper.
50 or 60Hz, or
AUTO
0-15
6
YES or NO
ALWAYS or
OUTPUT ON
ENGR,
SCIENTIFIC
1. Top level menu choices indicated in bold. Indentation identifies each lower submenu level.
2. When the remote operation interface selection (GPIB or RS-232) is changed, the SourceMeter performs a power-on reset. To check
or change options of the selected interface, you must re-enter the menu structure.
3. Only VIEW DATES is accessible when calibration is locked. Password is required to unlock calibration.
4. Press EXIT key to cancel test.
5. Disabling auto zero will reduce measurement accuracy.
6. 0-65535 with 2499-DIGIO 16-bit option.
Table 1-5 (continued)
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