UTR2810E Series LCR Meter
– User Manual
18
reliable. It should connect to short circuit and then perform the zero clearing again.
4
）
Zero clearing data will store in nonvolatile memory. Under the same test conditions, the
instrument does not need to zero clear.
5
）
The instrument will automatically select open-circuit or short circuit zero clearing. "QUIT" will be
displayed in the display area if there are components on the test terminal or the instrument is in
faulty.
3.2.9 Trigger Setup
UTR2810E/2811E have four trigger modes
：
INT
、
MAN
、
EXT and BUS.
Trigger
Mode
Description
INT
Internal trigger mode is also called continuous test. Trigger signal will continuous test by the
instrument accordance with the inherent period.
MAN
Manula trigger mode, each time
【
TRIGGER
】
key is pressed
，
the instrument will perform
a test period and it will be in a waiting state at othe times.
EXT
External trigger mode, when the instrument received a rising edge pulse from Handler
interface on the back panel, the instrument will perform a test period and it will be in a waiting
state at othe times. Please refer to Handler interface.
BUS
Bus trigger mode, when the instrument received RS232 trigger command, the instrument will
perform a test period and it will be in a waiting state at other times. Press ESC to exit.
3.3 System Setup
Press
【
UTIL
】
key to enter system setup interface, setting method is the similar to measurement parameter setting.
Figure 3-2 System Setting
3.3.1 Communication Mode
UTR2810E provides RS232 communication interface to communicate with PC
，
all panel key function can be used and
inquire the test state and sampling test result of the instrument through this interface. (UTR2811E can’t support this setting
because it does not contain RS232 interface.)
3.3.2 Baud Rate
Baud rate is the data transmission rate on the RS232 communication bus. UTR2810E supports five common baud rates
：
9600bps
，
38400bps
，
57600bps
，
115200bps. (UTR2811E can’t support this setting because it does not contain RS232
interface.)
