B&R PROVIT 4000, Руководство пользователя

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4.2.3 KEY LABELLING
The 16 function keys are labelled with four legend strips that are inserted under the keypad covering. The strips
are inserted under the disk drive cover.
Two keypad legend sheet templates are delivered with the PROVIT 4000. They can be printed on with a laser
printer and cut using the marks provided. The strips allow for the key LEDs. Legend sheets templates are
available as replacement accessories (see section "8.6 Accessories").
4.2.4 KEY ILLUMINATION
Softkey keys and function keys are equipped with LEDs that can be controlled with software (see section
"5. Software"). A simple operation or status indication is possible by lighting a key LED.
4.2.5 STATUS LEDs
Five status LEDs can be found between the cursor keys.
LED Function
POWER Supply Voltage Indication. Always lit when device is in operation.
HDD Hard Disk LED. Indicates hard disk access.
USER User LED. Can be turned on/off by the user (see section "5. Software").
WD Watchdog LED. Indicates a Watchdog.
TEMP Temperature Monitor. A maximum temperature was exceeded at one of the three temperature measure-
ment points.
Key Legend Strips