30 Instruction Manual
4.22 How to use the Working Timer
Use the working timer to check the time that has passed with a certain kind of operation.
For example, use it as a timer to show how long a fully-charged battery will last.
Under M72, press ENT key and then select YES to reset the timer.
4.23 How to use the manual totalizer
Use M38 for the manual totalizer. Press ENT key to start and stop the totalizer.
4.24 How to know how long the battery will last
Use M07 to check how long the battery will last. Also please refer to .2.1
4.25 How to check the ESN and other minor detail
s
Every set of the flow meter utilizes a unique ESN to identify the meter. The ESN is an
8-digit number that provides the information of version and manufacturing date.
The user can also employ the ESN for instrumentation management.
The ESN is displayed in window M61.
Other details about the instrument are the total working hours displayed in window M+1,
and the total power-on times displayed in window M+4.
4.26 How to adjust the LCD display
You may use menu window 70 to setup the LCD display backlight and menu window 71 to
adjust contrast it.
4.27 How to use RS232?
Use menu window 62 to select communication protocol. All the devices connected with flow
meter should have matched serial configuration.
The following parameters for serial port can be configured: Baud rate (300 to 19200 bps),
parity, data bits (always is 8), stop bits (1).
