Table of Contents
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5.
DIGITAL OPERATION ....................................................................................................... 19
5.2.1.
General .......................................................................................................... 19
5.2.2.
Serial Communication Software ............................................................................ 19
5.2.3.
The Sensor List................................................................................................. 19
5.2.4.
Command Prompt ............................................................................................. 19
5.2.5.
Command Format ............................................................................................. 19
5.2.6.
RS232 / RS485 Mode .......................................................................................... 20
5.2.7.
Response Format .............................................................................................. 20
5.2.7.1.
Response Line Termination ......................................................................................... 20
5.2.7.2.
RS485 Mode Responses .............................................................................................. 21
5.2.8.
Commands ...................................................................................................... 21
5.2.8.1.
Reporting Commands ................................................................................................ 21
5.2.8.2.
System Commands ................................................................................................... 21
5.2.8.3.
State Commands ..................................................................................................... 23
5.2.8.4.
Sensor List Commands .............................................................................................. 24
6.
TROUBLESHOOTING ....................................................................................................... 27
T
ROUBLESHOOTING
6.2.1.
Instrument Lists and Codes .................................................................................. 27
6.2.2.
Possible Problems and Solutions............................................................................ 27
7.
WARRANTY .................................................................................................................. 28
8.
DRAWINGS ................................................................................................................... 29
HVG-2020A Instruction Manual
..................................................................................................... 19
................................................................................................ 19
.............................................................................................. 27
...................................................................................................... 27
....................................................................................................... 28
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Page 4 of 29
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