User`s guide

4-3

Operation 4

Using the Keypad

The keypad consists of numeric keys, dedicated

keys such as Enter and Prime, 5 white soft keys and

a 2 line 24 character display. The function of each

part of the keypad is as follows.

Numeric keys: Used to enter numeric values(to

define parameters).

PRIME: Runs the pump at maximum flow

rate.

HELP: Displays help messages.

CANCEL: Cancels a value before it is entered

into the memory.

ENTER: Enter a value into the memory.

The 24-character display is used to indicate the

flow rates, solvent compositions etc... The bottom

line of the display is used to present the soft key

options above the 5 white soft keys. Pressing one of

the white soft keys selects the option displayed

directly above it. The following soft key options will

occur frequently and should be noted.

Quit: Return to the Ready-to-Run screen.

Next: Brings you to the next screen.

Prev: Brings you to the previous screen.

Time is expressed in minutes and hundredths of a

minute. For example a time display of 2.50 min is 2

minutes and 30 seconds.

The words “key in” mean enter in a numerical

value. A flashing cursor on the screen underlines

the current parameter to be entered/modified.

The symbol # is used in this guide to show the

factory set value (the default value).

The symbol • is used in this guide to show a key

which must be pressed or a value which must be

entered.