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Functions and Features

Last Cal Display last calibration date.

4.2.7 Switch Local/Remote Mode

This series power supplies provide local operation and remote operation. The

default mode is local operation mode.

• Local operation mode: use front panel keys to control the power supply.

• Remote operation mode: the power supply is connected to PC, the user

uses the software in PC to control the power supply remotely.

During remote control operation, the remote symbol

is displayed at the top

right corner of the front panel display. All panel keys, except the [On/Off] and

[Shift]+[Link] (Local) keys, are locked.

You can press [Shift]+[Link] (Local) to switch the remote control to local con-

trol. The mode modification will not affect the output parameters.

4.2.8 Key Lock Function

The front panel controls can be locked to protect from accidental power supply

parameter change. Press [Shift]+[Enter] (Lock) to lock front panel keys and the

lock symbol

is shown on the front panel display. All panel keys, except the

[On/Off] and [Shift]+[Enter] (Lock) keys, are locked. You can repress

[Shift]+[Enter] (Lock) to unlock the front panel.

4.2.9 Save and Recall Operations

This series power supplies can save up to 10 common parameters in non-vola-

tile memory (No. 1 to No. 10) for user to recall conveniently.

The instrument provides a power-down save function. When the power is

turned off, the setting information before shutdown is automatically stored in

the first group of non-volatile memory.

The saved settings include the following parameters.

• The voltage setting value;

• The current setting value.

You can do the save and recall operations by the following two methods.

ITech IT-M3131D User Manual

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