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Front Panel Operation 41
5
Front Panel Operation
Introduction
Note Only in Fixed mode are front panel operations fully functional. The Agilent SAS can be operated as a
standard dc source in Fixed mode. SAS functions are available when the unit is set to Simulator or Table
mode. You cannot switch modes from the front panel. Modes can only be switched over the GPIB.
This chapter shows you how to operate the unit from front panel. It is assumed that you are familiar with the turn-on
checkout procedure in chapter 3. That chapter describes how to perform basic functions from the control panel. Operations
that you can perform are:
■ Enabling or disabling the Agilent SAS output. ■ Saving operating states in nonvolatile memory.
■ Setting the output voltage and current. ■ Recalling operating states from nonvolatile memory.
■ Monitoring the output voltage and current. ■ Setting the Agilent SAS GPIB bus address.
■ Setting the overvoltage protection trip point. ■ Displaying error codes created during remote operation.
■ Enabling the overcurrent protection circuit (OCP). ■ Enabling local (front panel) operation.
■ Clearing protection functions. ■ Calibration (see appendix B).
Key Functions
The front panel is summarized in Figure 5-1 and Table 5-1. Some keys have two functions. For example, the System
key can be used either to recall a stored operating state or to (store) an operating state. The first operation is shown
on the key and the second (shifted) operation is shown in blue above the key. In order to do a shifted operation, first press
the solid blue key, which is unlabeled but shown throughout this manual as
.
For example, for a recall operation, press the recall key
. For a save operation, press the Save key, which is
. When you do this, the Shift annunciator will light to remind you that the
key is now functioning as
the
key. In this chapter, such a shifted operation may be shown simply as .
Figure 5-1. Front Panel Controls and Indicators
LINE
VOLTS
AMPS
E4350B
480W 8A
CV CC Unr Dis OCP Prot Err Cal Shift Rmt Addr SRQ
Off
On
Local
Error
Save
Recall
Address
Output
on/off
Protect
OV
Voltage
OCP
Current
VCal
Cal Save
Enter
-
3
21
0
.
789
4
56
Voltage
Voltage
Current
Current
ICal
Pass
Cal Enable Cal Disable
Prot Clear
3
1
5
4
SOLAR ARRAY SIMULATOR
OVCal
Clear Entry
SYS
TE
M FUNCTION
ENTRY
2
VOLTAGE CURRENT