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355-500A-10R Datasheet(PDF) 11 Page - Magnetrol International, Inc. |
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355-500A-10R Datasheet(HTML) 11 Page - Magnetrol International, Inc. |
11 / 60 page 51-661 Echotel Model 355 Two-Wire Ultrasonic Transmitter 11 2.5.4 Transmitter Display and Keypad The 355 transmitter has a local user interface consisting of a 2-line by 16-character liquid crystal display (LCD) and 4- push-button keypad. All transmitter measurement data and configuration information is shown in the LCD. While configuring the unit with the local user interface the transmitter cover is off and all 16 characters can be displayed by the LCD. During normal operation the cover obscures part of the LCD and only 12 characters are shown. For this reason, the Measured Values and Diagnostic data are shown as 12 characters per line so that they can be completely seen through the cover window. Model 355 is configured via a “tree” type menu structure, where it is easy to access branches of the tree to configure the various transmitter parameters. The four push buttons have different functions for various operating modes within the menu structure. 2.5.4.1 Menu Traversal Mode When going from one branch of the menu to another the push buttons operate as follows: 2.5.4.2 Character Data Entry Mode This mode is most commonly used when entering a new local tag into the 355 transmitter. The local tag as shipped from the factory is “Model 355” but can be changed to have the actual tag number of the vessel or primary ele- ment. When entering data in the Character Data Entry Mode, the leftmost character on the lower line of the LCD will be a cursor. Data is entered at the cursor by using the push buttons as follows: Push button Keystroke Action Up Moves to the previous item in the menu branch Down Moves to the next item in the menu branch Back Moves back one level to the previous higher branch item Enter Enters into the lower level branch or switches to the entry mode Push button Keystroke Action Up Moves to the previous character (Z,Y,X,W). If held down the characters scroll until the push button is released. Down Moves to the next item character (A,B,C,D). If held down the characters scroll until the push button is released. Back Moves the cursor back to the left. If the cursor is already at the leftmost position, then the screen is exited without changing the original tag characters. Enter Moves the cursor forward to the right. If the cursor is at the rightmost position, then the new tag is saved. |
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