MAHLE ACX1281, Operation Manual

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© MAHLE
10 | ACX1281 | Product description en
Fig. 4: Display and operating unit
1 Status and warning light
2 LCD
3 Selection and function keys
4 Refrigerant identifier
5 Printer
6 Low-pressure gauge
7 Input keys
8 High-pressure gauge
The pressure gauges (Fig. 4, Pos. 6, 8) of the display and operat-
ing unit are used to monitor the pressure during the individual
vehicle A/C service phases. The status of the various service
phases during maintenance is displayed on the multicolor LCD
screen (Fig. 4, Pos. 2). The necessary entries are made by way
of the input keys (Fig. 4, Pos. 7) on the keypad.
The selection and function keys (Fig. 4, Pos. 3) on the keypad are
used to control the operator interface menu options.
The status and warning light (Fig. 4, Pos. 1) indicates the service
status:
Status and warning
light display color Maintenance status
Red light Error/warning
Flashing green Operation in progress
Green light Operation completed/Attention Operator
If a situation arises where the unit software requires updated,
MAHLE has a USB stick available for updating the ACX1281
software. The USB stick can be inserted in the USB socket to
perform updating of the firmware/software.
t
Refer to Section 8.9 for detailed information on the
software updating procedure.
3.3.1 Selection and function keys
Keys Name Function
O
OK Confirm and store

Function depends on current menu
 Back
Cancel
Back one menu level or cancel

or

Up or down control

or

Right or left control

Enter Confirm and store
C Delete Deletes character to left of cursor
i Information Show current data
Switching between number and letter
input. Current mode is shown at bot-
tom right of screen.
Various functions are assigned to the function keys in the
ACX1281 software. The functions of the keys are defined in the
menu line of the ACX1281 software.
3.3.2 Input keys
The input keys can be used to enter letters, numbers and special
characters in the input boxes. If a key is pressed several times
in succession in the input box, all the characters which can be
used for this are displayed.