Automatic Transformer Test System 3300/3302 User’s Manual
8.3.1 Setting BAUD RATE
Move the arrow keys to BAUD RATE and press the
↑↓
keys shown on LCD to change it.
There are 150, 300, 600, 1200, 2400, 4800, 9600, and 19200 for selection with the default set
to 19200 when shipped.
Notice
The baud rate setting should be same as the RS-232C interface card, or there may have data
transmission problem.
8.3.2 Setting PARITY CHECK
Move the arrow keys to PARITY CHECK and press the
↑↓
keys shown on LCD to change
it. There are NONE, EVEN, and ODD for selection with the default set to NONE .
8.3.3 Setting WORD LENGTH
The WORD LENGTH of 33XX is fixed to 8, which is same as ASCII code.
8.3.4 Setting of DEFAULT
Press this key will reset the RS-232 settings of 33XX to its default value, which the BAUD
RATE is 19200 and PARITY CHECK is NONE.
8.3.5 RS-232 ON/OFF
To connect the RS-232C interface with computer, this function has to be ON. It can be turned
on by computer commands.
8.4 Setting 33XX RS-232C Interface
When connecting the 33XX with computer, it can be controlled by computer commands. The
commands contain into two parts: LCR Test (for 3302 only as Table 8-2 shows) and
Transformer Test (Table 8-3).
Table 8-2 3302 LCR Test Commands
Command Function Note
*DDT:[INT] Select internal trigger mode
*DDT:[MAN] Select manual trigger mode Triggered once when
<START> is pressed
*DDT:[EXT] Select external trigger mode For linking HANDLER
*IDN? Inquiry the 33XX model name
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