East Tester ET430 Instructions For Use Manual page 19

Connect the instrument to the PC:
1. Locate the USB driver software in the CD.
2. Use the Mini-USB cable to connect the instrument to the USB port of the PC,
shown in Figure 22, press and hold the power key to start the instrument.
3. Install the USB drive;
4. After the installation is completed, check the serial number in Windows' Device
Manager.
Flow Control：None

Configuration of virtual serial port:
ET43 Series employ the serial communication parameters with variable Baud rates:

Baud rate: 9600 or others;

Data bits: 8

Check: None

Stop bit: 1

Flow Control: None

Remote Control State:
When ET43 Series receives the remote operation state instruction from the host, the
instrument automatically enters into the remote control state. "RMT" is displayed on the
LCD screen to show the entry into the remote control state. To exit the remote control
state, send the "SYSTem: LOCal" command.
Command Protocol:
ET43 Series handheld LCR uses SCPI command set to transfer control command
and return query information and data with string. The terminator specified by the protocal
shows the end of a command line or information enquiry line.
Using SCPI command set enables the interaction control of PC over the instrument
by programming. The command format meets the standard which is easy to understand
and use.
Public command: the command applied universally to various kinds of instrument
defined by the public command IEEE488, the public command starts with *, ET43 series
supports only * IDN?
Terminator: the command line sent from the PC to the instrument must end with the
Hangzhou Zhongchuang Electronics Co., Ltd.
Figure 22
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