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1.5.1 DIGITAL DISPLAY SCREEN OPERATION Start-up screen, use [page] key to have circular switching to this screen Alarm sign Switching value Display sign 2012-06-01 09:05:09 2012-06-01 09:05:09 t/h H Flow 10.00 230.0 ℃ H 2.000 MPa L GJ/h Heat 60.00 230.0 ℃ 2.000 MPa 003456789 003456789 t .122 Flow real-time value GJ .122 Heat real-time data Real-time data Simultaneously display flow, temperature, pressure, the total amount of the flow as well as heat, temperature, pressure, and the total amount of heat (when heat function is started). The maximum of total amount is 999,999,999. It will be displayed as fixed three decimal, and it will return to zero after overflow. The maximum of flow is 500000, and display accuracy is determined according to decimal numbers of the range. Alarm sign When the alarm channel exists, HL alarm sign is displayed after the channel name. Display sign Automatic display flow and heat data. Automatic display function will be unavailable when the heat function is turned off. The interval of automatic display can be set in the configuration of the screen. Automatic display status sign manual display function. Manual display status sign real-time data manually. ,use the [Enter] key to switch automatic \ ,use the [increase] [reduce] key to read the Screen Configuration Configuration location: Configuration -> function configuration -> screen configuration screen is as follows: Display config Interval 20s Exit The display interval: 5 seconds / 10 seconds / 20 seconds / 30 seconds / 1 minute (optional) . The factory default is 10 seconds. 9