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MD 1670
Installation instructions for volumetric water meters
Flow Direction LC Display
Forward Flow + with ashing circle
Reverse Flow - with ashing circle
No Flow Neither +, nor - circle
Transmission icon
Flashing mode by activated radio (1 sec on/ 1 sec o)
Low Battery Types Description
Low Battery
Low battery alarm will be triggered 15 months before the
calculated end of life. (steady display – not blinking)
Very Low Battery
Low battery alarm will be triggered 6 months before the
calculated end of life (ashing display)
The “Bell” icon is ashing when the register is in a testing mode
When an alarm is triggered the alarm icon will be visible on the LCD
Unit
Cubic Meters
Litre
Imperial Gallons
US Gallons
Cubic Feet
Kilo Litre
LCD Information (information for 640-C/M/MC)
LCD Segments test
(1 sec every minute)
Firmware Version Testing Mode Forward Flow Reverse Flow Alarm Set
LCD Icon Explanation (information for 640-C/M/MC - 868 MHz / 25 mW; 433 MHz / 10 mW)
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