Other System Settings; Key-Lock Function; Communication Port And External Expansion Port; Communication Port - East Tester ET1300 User Manual

ET1301/1302/1303/1304 Programmable DC Electronic Load User Manual
Operating instructions for parameter setting interface: 1.Select the action item by rotating the knob; 2.
Press 【 Enter】 to switch set options for non-numeric parameters. 3. As for the setting of numeric parameters,
please refer to 1.4 Numeric Parameter Setting for details. 4.
Figure 2.14.1 Qualification test setting interface

2.15 Other system settings

2.15.1 Key-Lock Function

The load also added the lock function to prevent user misoperations. The title bar will display the
lock identifier. In the lock-out state, all the other keys including the knob are locked except [On/Off],
[Enter] and [Local] keys. In addition, a lock icon will appear in the icon bar in the lock-out state and
disappear when unlocking. Long press [Enter] for 3s to switch between locking and unlocking state.

2.16 Communication port and External expansion port

ET53 series is equipped with USB, RS232 and optional RS485 three communication modes. The
following picture shows the settings related to communication. Users can press [Utility] to enter the
system menu interface and select communication settings to enter the setting interface.
2.16.1

Communication port

Hangzhou Zhongchuang Electronics Co., Ltd.
Figure 2.15.2 Communication setting interface
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Press【Esc】 to return to the previous interface.
Figure 2.14.2 Interface displayed when the
qualification test is being started