CONTREX CX-1200 - Manual (Page 68)

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KEYPAD OPERATION
The CX–1200 operates on a system of screens that are controlled by the front keypad. Figure 3-1 shows the location
of the keys and LCD screen display on the front panel. You will find detailed descriptions of the interactions of the
keys and screens throughout the “Operations” section. The following is a brief summary of how the front panel
functions.
LCD Screen Display The screens are displayed on the LCD Display.
Menu Key The Menu key accesses the main menu from a sub-menu or status screen, and a sub-
menu from a parameter screen.
Status Screen Key The Status key will immediately pop-up the status screen from any other screen. To
return to the previous screen, press the Status key again.
Page Up/Down Keys Some screens have multiple pages. The Page Up/Down keys allow you to scroll
through, one page at a time.
Numeric Keys Use the Numeric keys to enter the Parameter Code of either a Control Parameter (CP) or
a Monitor Parameter (MP) or to enter a Parameter Value for a Control Parameter. Use
the Enter key to activate the entry. Use the Clear key to delete the entry and clear the
Parameter Value to zero.
Parameter Up/Down Keys Each time you press the Parameter (Par) up key, the cursor and highlight bar will move
up by one line. Each time you press the Parameter (Par) down key, the cursor will move
down by one line. It will also automatically scroll through the lines if you hold the key
down.
Code Select Key Use the Code Select key in the Status screen and in the parameter screens to display a
Parameter Code line. When the Parameter Code line appears, you can use it to access a
parameter and its value. Enter a Parameter Code, then press the Enter key and the
parameter and its value will be displayed. You can change a Control Parameter value by
entering a new value or by scrolling with the Increment Up/Down keys. Use the Clear
key to delete the entry and clear the parameter value to zero.
Help Screen Key The Help key accesses the Help screen and gives you a brief description of the parameter
or subject that is highlighted (active). The Help screen also functions as an options
screen, where you can select Control Parameter data. You can access help from any
screen. Press the Help key again to return to the previous screen.
Increment Scroll Up/Down Use these keys in the parameter screens to change the active value. Each time you press
the Increment Scroll Up key, the active value will increase by one increment. Each time
you press the Increment Scroll Down key, the active value will decrease by one decre-
ment. It will also automatically scroll through the increments or decrements if you hold
the key down.
Clear Key Use the Clear key to delete a value or change which you have entered. However, the
Clear key will not delete the entry or change once the Enter key has been used.
Enter Key Use the Enter key to accept a value or change which you have entered.