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Set the parameters of the RS232 interface
Use the 9-pin RS232 cable (female-to-female, cross-over) to connect the
RS232 interface to the PC, and set the interface parameters (such as baud
rate, parity, etc.) that match the PC. Then, user can remotely control the
instrument. The RS232 interface is shown in the following figure. For the
descriptions of the pins, refer to Table 3-2.
Figure 3-5 RS232 Interface
Table 3-2
Pin description of RS232.
Pin
Name
Description
1
NC
No Conjunction
2
TXD
（
Transmit Data
）
Data transmission
3
RXD (Receive Data)
Data receiving
4
NC
No Conjunction
5
SGND
Signal grounding
6
NC
No Conjunction
7
CTS (Clear To Send)
Clear to send
8
RTS (Request To Send)
Request to send
9
NC
No Conjunction
Press Interface key to enter “Interface” tab and press “RS232” to enter the
RS232 interface, as shown in figure 3-6.
