User Manual

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Operator’s Manual • Use under Special Conditions

6076.0851.12.01 – 3.71 –

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In this menu the hardware and software parameters of the Control Unit GB 4000C are dis-

played and edited.

Starting point: Menu 040 (MAIN)

+ Press softkey (6) and the following display appears:

+ Enter control unit maintenance PIN number (5 digits) by using the numerical keypad, then

press ENTER.

q The following display appears:

No. Control Action Notes

9 Press softkey

MAINT PIN.

Abort entry.

Entry of a new maintenance PIN

1. Enter the new PIN by using the numerical

keypad, then press ENTER.

2. Confirm the new PIN by repeating the entry

using the numerical keypad, then press EN-

TER.