Page 110 - Gas Detection Systems Training Manual

Figure 2: SEC 3120 User Interface
SEC 3120 Dual Head Version 1.2.0126
February, 2012
Enter/Select Control
The SEC 3120 User Interface, as depicted above, contains the following key elements:
The 4-Line LCD Display in the center. This will contain the main status screen
(showing gas concentration, gas type, gas units, range, ID, etc.) for one or more sensors by automatically rotating and displaying the values for each sensor, one at a time for a few seconds dwell. The next sensor can be advance by activating either the down (left) or up (right) wand magnet/switches.
The Down Arrow Control is positioned to the left. When activated (using a magnet on explosion-proof versions, or through a push button on DIN-rail mount units), the next menu item down the list is moved to, a lower value is chosen, etc.
The Up Arrow Control is positioned to the right. When activated (using a magnet on explosion-proof versions, or through a push button on DIN-rail mount units), the previous menu item up the list is moved to, a higher value is chosen, etc.
The Enter/Select Control is position below the center of the LCD display. When activated (using a magnet on explosion-proof versions, or through a push button on DIN-rail mount units) from the main status screen, the menu system is entered and displayed. If on a menu item, that item will be chosen. If a value is selected to be changed, it will either enter/exit changing a value.
The first menu displayed after it is brought up by activating the enter key from the main status display, is referred to as the "Top Menu". The top menu requires two full screens to present all of the possible items. The up/down controls allow navigation through the list, where selecting down below the bottom of the first page brings up the second page of the Top Menu. When selecting down below the bottom of the second page (end of the list), the top item of the list and the first page of the Top Menu is displayed. Likewise, if selecting above the top item in the first page of the Top Menu, the last item in the list on the second page will be highlighted and displayed, or if selecting
SEC 3120 16-bit Modbus Manual Page 9 Of 46 Sensor Electronics Corporation For Version 1.2 and above December 2012 P/N 1580282, Rev. 1, 20121228
< Up Arrow Control
Down Arrow Control >