Keypad; Menuwindows - Omega FDT-25 User Manual

8 FDT-25 Handheld Ultrasonic Flowmeter
When new pipe parameters have been entered or when the power has been just switched on, the
flow meter will enter an adjusting mode to make the signals magnified with proper amplification.
By this step, the flow meter is going to find the best threshold of receiving signal. The user will
see the progress by the number 1, 2, or 3, which are indicated on the right lower corner of the
LCD display.
When the transducers have been adjusted on the pipe by the user, the flow meter will re-adjust
the signal automatically.
Any user-entered configuration value will be retained into the NVRAM of the flow meter, until
it is modified by the user.
§2.3 Keypad
The keypad for the operation of the flow meter has 16+2 keys, as shown by the right dia
and • are keys to enter numbers
Keys 0 ～
9
Key is the going UP key, when the user
wants to go to the upper menu window. It also
works as + key when entering numbers
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
numberedbyM00,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
ON OFF
.
MENU 1 1
CHARGE