FDT-25W Wall Mounter Ultrasonic Flowmeter
Key ▼/- is the going DOWN key, when the user wants to go down-sided menu window. It also works as
the “–” key when entering numbers.
Key ◄ is backspace key, when the user wants go left or wants backspace the left character that is
located to the left of the cursor.
Key ENT is the ENTER key for any inputting or selections.
Key MENU is the key for the direct menu window jump over. Whenever the user wants to proceed to a
certain menu window, the user can press this key followed by 2-digit numbers.
The MENU key is shortened as the ‘M’ key afterward when referring to the menu windows.
The ON key is for the power on.
The OFF key is for the power off.
2.4 Menu Windows
The user interface of this flow meter comprises about 100 different menu windows that are numbered
by M00, M01, M02 … M99.
There are 2 methods to enter certain menu window:
1. Direct going/entering. The user can press the MENU key followed by two-digit number keys. For
example, the menu window M11 is for the entering of pipe outer diameter. The display will go to the
M11 menu window after the user presses MENU 1 1 .
2. Pressing ▲/+ and ▼/- keys. Each time of the ▲/+ key pressing will proceed to the
lower-numbered menu window. For example, if the current window is on M12, the display will go to the
number M11 window after pressing the ▲/+ key.
There are three different types of menu windows:
1. Menu windows for number entering, like M11 for the entering of pipe outer diameter.
2. Menu windows for option selection/selecting options, like M14 for the selection of pipe materials.
3. Displaying windows only, like M00 to display Velocity, Flow Rate etc.
For number entering windows, the user can directly press the starting digit key when the user is going
to modify the value. For example, when the current window is on M11, and the user is going to enter
219.2345 as the pipe outer diameter, the user can get the numbers entered by pressing the following
serial keys: 2 1 9 . 2 3 4 5 ENT.
For the option selection windows, the user should first press the ENT key to a selection modification
mode and then select the relevant options by pressing the ▲/+ and ▼/- keys or the digit keys to select
the option with a number antecedent to the option. In the end, the ENT key must be pressed to make
the selection. For example, with menu window M14 for the selection of pipe material selection, (the
MENU 1 4 should be pressed first to enter this menu window if the current menu window is on a
different window. The pipe material is stainless steel which has a number “1” antecedent to “stainless
steel” on the display, the user should first press the ENT key to enter into a selection modification mode,
then either make the selection by pressing the ▲/+ and ▼/- keys to make the cursor on the line that
displays “1. Stainless Steel”, or make the selection by pressing the 1 key directly.
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