5.3 Keypad
The keypad (4) has the following functions that are displayed below the keys:
Function
Normal
Input
Data Entry
ENTER
▲
Selection Meas. Value, Measuring Point
MEAS.VAL.
▲
CLR
Selection of Measuring Functions
F1
▲
Selection of Programming Functions
F2
▼
The key
ENTER
is used for
programming the parameters
. After operating this
key a digit or an abbreviation will flash in the display, i.e. the instrument is in
edit mode and the
red
designations on the keys are valid (s. 5.4). Then, the
keys
▲
,
▼
are available for changing the input digit, the key
operates as
▲
cursor key and
CLR
is available for clearing the parameters The data input is
finished when the last digit has been confirmed by operating the key
.
▲
5.4 Data Input
The programming of numeric parameters is performed as follows:
Selection of the function
by using the keys
F1
or
F2...
or
F1
F2
The programming is started
by pressing the key
ENTER
.
The first programmable digit flashes and can be altered.
If 5-digit values are entered the upper 4 digits will be indicated
at first and then, after switching, the lower 4 digits.
The digit can be
increased
using the key
▲
.
After exceeding the maximum value the cycle restarts from zero.
The digit can be
decreased
using the key
▼
.
At the 1st digit, negative values follow after falling below zero.
A
switch
to the next digit is performed using the key
.
▲
▲
Switch back
to previous digit by pressing and holding the key
.
▲
▲
1s
The programming process
is complete
after setting the last digit and again operating the key
.
▲
Programming and meas. values can be cleared
by using
,
ENTER
CLR
ENTER
▲
▼
▲
16
ALMEMO
4490-2
Display and Keypad
