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A
CURRENT OUTPUT Binding Posts
The source of all amplified current if the 5725A is configured for rear output. You can set the 5700A to source
all its unamplified as well as amplified current through these binding posts. The LO binding post is isolated
from ground when in the current function, and is open-circuited at other times. Cable and connection
recommendations are made in Chapter 4 of the 5700A/5720A Series II Operator Manual.
B
CALIBRATION Switch
A slide switch that enables and disables writing to the nonvolatile memory that stores 5725A calibration
constants. Switching to ENABLE allows writing to the memory, and switching to NORMAL protects data in
memory from being overwritten. The switch must be in the ENABLE position to store corrections generated
during calibration. The switch is recessed to allow a metrologist to cover it with a calibration seal to guarantee
calibrator integrity.
C
5700A CALIBRATOR Connector
Provides the analog and digital interface to the 5700A Calibrator. After connecting to the 5700A, you control
the 5725A from the 5700A front panel or by sending remote commands to the 5700A. Refer to "Using an
Auxiliary Amplifier" in Chapter 4 of the Instruction Manual, or for remote operation to Chapter 5, of the
5700A/5720A Series II Operator Manual for details.
D
Fan Filter
Covers the air intake to keep dust and debris out of the instrument. The fan directs a constant cooling air flow
throughout the chassis.
Table 4. Rear-Panel Features
Getting Started
Rear-Panel Features
23
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