Red-lion LEGEND Manuel d'utilisateur télécharger pdf (Page 10)

FRONT PANEL DESCRIPTION

The front panel has a clear viewing window to view the two line by eight

character LCD display with yellow/green or red backlighting. The front panel

meets NEMA 4X/IP65 requirements when properly installed. The keypad has a

key array of two rows by four columns and some keys have a dual function. The

following is a description of each key:

KEYPAD FUNCTIONS

- Function key F1 is a User Programmable Input. When the key is

pressed, the unit performs the appropriate function as programmed in

the “Program User Module”.

RST

- Function key F2/RST is a User Programmable Input. When the key is

pressed, the unit performs the appropriate function, as programmed in

the “Program User Module”. The “RST” printing on this key is used

as a quick reference for the operator, as long as the function key is

programmed for a reset function.

PRS

- The PRS key accesses the Preset and Counter Load Module provided

these values are not programmed for ‘loc’k. If all values are ‘loc’ked,

pressing the PRS key does nothing. Preset values that are accessible

(changeable), can be changed immediately. Within the preset menu,

pressing this key saves the value and advances the display to the next

available preset. Pressing the PRS key at the end of the module exits

the module and returns the user to the main display loop.

<ESC

- The Left arrow/escape key scrolls to the left in the main display loop.

When programming a numerical value, it selects the digit to the left.

In a sub-menu, it will exit to the next higher level menu in the loop. It

is also used to exit the programming loop. When exiting the

programming loop, the Legend will store all the parameters into

nonvolatile memory and return to the last viewed indication display.

KEYPAD FUNCTIONS (Cont’d)

- The Up arrow key scrolls through the indication displays. In the

programming loop, this key can be used to scroll through the main

menus. When programming a numerical value, it increments

(decrements, i.e., goes more positive, for negative values) at the

selected digit position. If the key is pushed and held, the value will

scroll (count up) automatically. After 5 counts, the unit enters fast

scroll mode. If the key remains pushed, a digit shift occurs every one

hundred counts until the maximum value or zero (for negative

presets) is reached. When the digit shift occurs, the previously

scrolling digit goes to zero. When zero is reached (for negative

values), the display holds at zero. To go positive, the key must be

released and pushed again.

v - The Down arrow key scrolls through the indication displays. In the

programming loop, it scrolls through the main menus and sub menus.

When programming a numerical value, it decrements (increments or

goes more negative, for negative values) at the selected digit position.

If the key is pushed and held, the value will auto scroll (count down

automatically). After 5 counts, the unit enters fast scroll mode. If the

key remains pushed, a digit shift occurs every one hundred counts

until zero is reached. When the digit shift occurs, the previously

scrolling digit goes to zero. When zero is reached, the display holds at

zero. To go negative, the key must be released and pushed again.

ENT

- The Enter key enters the programming loop, when “Program Mode” is

displayed from the main display loop. When “Scale Factors” is

displayed, pressing Enter allows access to the scale factors. This key is

also used to save changes to data values. If the data value is a preset or

counter load value, the value is entered and the preset menu is exited.

For all other numeric data values (i.e., Output time, Rate update times,

etc.), the value is entered and the value edit mode is exited. The value is

still viewed in the display, but with no digits flashing.

SEL>

- The Select/Right arrow key scrolls right in the main display loop.

When programming a numerical value, it selects the digit to the right.

In a sub-menu loop, it is used to go to the next lower level and

eventually into an edit menu.

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Red-lion LEGEND Manuel d'utilisateur Page 10

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