User guide

Configuring an M1 CPU with Concept
870 USE 101 00 V.2.2
265
Setting up the Time-of-Day Clock
Overview
Each Option Adapter has a time-of-day clock. To use this feature, you must reserve
a block of eight 4
x
registers.
This section describes how to reserve those registers, using Concept 2.1.
Reserving
Registers for the
TOD Clock
To reserve registers for the TOD clock, perform the steps in the following table.
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Step Action
1 From the Configure menu, select
Specials...
OR double-click on any field in the
Specials region of the dialog box.
Result:
The Specials dialog box appears.