Front-Panel Operation
Instrument Setup 4
4-51
Some of the setup menus have a Restore Factory Defaults selection. If this selection is
touched, a confirmation is requested. Touch Restore to reset the Calibrator to factory
defaults or Cancel to make no changes.
Instrument Setup
The Instrument Setup menu (accessed by touching the Instrument Setup selection in the
Setup Menu) is shown on this screen:
Remote Port
Active Remote Port RS-232
GPIB Setup
RS-232 Setup
Ethernet Setup
USB Setup
Uncertainty Information
Calibration Interval
Confidence Level
Sourcing Hardware
Boost Amplification Types
ACxfer Choice
Output Limits
Change Current Limits
Change Voltage Limits
Setup Menu
Instrument
Setup
Exit
Error Reference Nominal Value
hhp105.eps
The list below briefly describes submenus accessed by each touch screen selection. These
items are described in more detail later in this chapter.
• Remote Port Setup- opens setup menus for the IEEE-488 instrument control port
and the RS-232 serial interface port. Chapter 5 describes how to set up the IEEE 488
interface and the serial interface.
• Uncertainty Information- set the confidence level and calibration interval on which
uncertainty specifications are calculated.
• Error Reference- When the output value is edited, the display shows the difference
between the reference value and the edit value. This is explained in more detail later
in this chapter.
• Output Limits- limit the possible voltage or current output of the Calibrator for
safety or to protect external equipment.
• Source Hardware- select external boost amplifiers for high ac voltage and current
outputs, and also allows ac/dc transfers to be turned off once the output is settled.
The AC Transfer Choice (ACxfer Choice) feature activates ACxfer Off, when in the ac
voltage or current output function. This turns off the monitoring system that makes
adjustments for load changes. The AC Transfer Off feature is available only in ranges
below 220 V at frequencies below 120 kHz.
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