ChemoMetec NucleoCounter, User Manual, Page: 30 / 76

3 Control Buttons, Keypad and Display
13
3.1.2 Keypad
The Keypad is comprised of 12 keys (see Figure 6): “
0-9
”, “
F
”
(function key) and “

” (Enter). The keypad is used for any
entering of values used to alter the status of the instrument.
3.2 Interface Display
3.2.1 Status indicator
A small Status Indicator light above the “
On/Off
” button (see
Figure 6) illuminates when the unit is turned on. It is green
when the instrument is ready to measure and it turns red while
the instrument is measuring or displaying an error message. The
Status Indicator turns green after successful measurement when
the results are displayed.
3.2.2 Display screen
The display screen communicates information to the user. It
indicates, at various times: unit identification, software
version, start-up status, operating functions, cell counts and
shutdown status.