Bosch Rexroth PS5000, Инструкция по вводу в эксплуатацию и эксплуатации, Страница: 42 / 56

4 − 12 Electric Drives
and Controls
Bosch Rexroth AG BT 6.00 1070080078 / 03
Operation
4.5.3 Set LCD contrast
The contrast of the display can be set as needed. In a well-lighted work
environment you should increase the contrast, in a less bright environ-
ment you should reduce it. This will improve the readability of the display.
L
To set the contrast, proceed as follows:
1. Press
key.
2. Move the cursor to the ”SETUP BT” line with the keys or .
3. Press key 2 times.
The cursor is in line ”LCD contrast”.
4. Then use numerical keys,
+
or
−
keys to set the desired contrast
value.
5. Press key to set the contrast
− or −
press key in order to reset the input value to its default value.
L
Press the key in order to return to the highest menu level.
.
In order to call up the LCD contrast screen (steps 1 to 3), you may
also use Quick Mode and parameter number 93. For more informa-
tion on Quick Mode, refer to page 4 − 7 ff.
4.5.4 Inhibiting the Control Function (change code numbers)
Parameter changes, or the display of data, can be inhibited with the help
of code numbers (max. 4 digits).
Each existing main menu entry, and the ”Change code number” function
can thus be protected separately by a code number.
Without the input of the correct code number,
D
access to the respective sublevel, or
D
changing data in the sublevel is inhibited.
CAUTION
Unauthorized alteration of or prying into key codes possible!
Always use a separate key code for protecting the ”Change code
number” function.
Only make this key code known to authorized people. People who
know this key code can display all key codes stored and also
change them!
L
Proceed as follows to set the key codes:
1. Press
key.
2. Move the cursor to the ”SETUP BT” line with the keys or .