20 Instruction Manual
(2) Restore the instrument to the default parameters as the manufacturer
did by pressing the dot key followed by the backspace key. Take care or
make note on the parameters before doing the restoration
M38
Press-a-key-to-run or to stop totalizer for easier calibration
M39
Language selection option. Different language can be ordered.
M40
Flow rate damper for a stable value. The input range is 0 to 999 seconds.
0 means there is no damping. Default value is 10 seconds
M41
Lower flow rate cut-off to avoid invalid accumulation.
M42
Zero point setup under the condition when there is no liquid running inside
the pipe.
M43
Clear the zero point set by the user, and restore to factory’s default zero
point
M44
Set up a manual flow bias. Generally this value should be 0.
M45
Scale factor for the instrument. The default value is ‘1’.
Keep this value as ‘1’, when no user calibration has been made.
M46
Network environment Identification Number. Any integer can be entered
except 13(0DH, carriage return), 10 (0AH, line feeding), 42 (2AH), 38,
65535.
Every set of the instrument in a network environment should have a unique
IDN. Please refer to the chapter for communication.
M47
System locker to avoid modification of the parameters
M48
Not used for the ultrasonic flow meter.
M49
Communication tester
M50
“Option” selection for built-in logger. It also functions as switch of logger
M51
Time setup for the data logger
M52
(1) Data logging direction control. If ‘To RS-232’ is selected, all the data
produced by the data logger will be transmitted out through the
RS-232 interface
(2) If ‘To buffer ‘ is selected, the data will be stored into the built-in logger
memory
(3) Buffer transferring and buffer clearing
M53
Logger buffer viewer. It functions as a file editor. Use Dot, backspace UP
and DN keys to browse the buffer.
If the logger is ON, the viewer will automatically refresh once new data are
stored
M54-59
Not used for the ultrasonic flow meter.
M60
99-year calendar. Press ENT for modification. Use the dot key to skip the
digits that need no adjusting.
M61
Display Version information and Electronic Serial Number (ESN) that are
unique for ultrasonic flow meter.
