Chapter 3 How to use
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3.18 How to use the buzzer
Handheld ultrasonic flowmeter built-in buzzer is programmable , set in the M77
window.
3.19 How to use the OCT output
Handheld ultrasonic flowmeter OCT output open and close conditions are
programmable, such as cumulative pulse output . The settings are made in window
M77.
Please note that the frequency output signal is also output from the OCT.
OCT output and Rs-232C share a common interface, the connector is 6 pins,
ground is 5 pins.
3.20 How to change the date and time
The date and time normally do not need to be modified, the clock power
consumption is very small.
Only when the battery is completely depleted and it takes a long time to replace the
battery is it necessary to change the date. To change the date and time in the M61
window, you can use the A key to skip the part that does not need to be changed.
3.21 How to adjust the contrast of the LCD monitor
The result of the adjustment is stored in the EEPROM and will not be adjusted
even if the factory settings are restored.
3.22 How to use RS232/RS485 serial port
Set up the RS-232C serial port in the M62 window.
3.23 How to check the daily, monthly and yearly traffic
In window M82, you can check the past daily, monthly, and yearly historical traffic
data and machine operating status.
3.24 How to use the work timer
The Work Timer allows you to time an operation, for example, how long the battery
will continue to operate when fully charged.
Press ENT in the M82 window and select "Yes" to reset the timer.
