User guide

18
MAN 01/EN/01 CRONO S-PID 50 02/13
SECTION 5
CONTROL BUTTONS
There are 3 control buttons.
The buttons have a built-in safety delay: you must keep them pressed for
several seconds before the command takes effect. Use only your fingertips;
do not use sharp objects.
The buttons make a ticking sound when pressed.
A brief acoustic signal confirms that a command is being executed.
The buttons have different functions according to which of the following
conditions the pump is in when they are pressed:
-
OFF
- StoP
- ON
The functions of the buttons in the various different conditions mentioned
above are described in the quick reference instructions on pages 30-32
and in Section 10.
WARNING
The red LED to the right of the display is switched on in the following
circumstances:
1 - When the battery is inserted during the pump verification checks, see page 33.
2 - When an error has occurred, see pages 25-26.
LED