User`s manual

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4. If a PC break address condition is set to the slot instruction after a delayed branch instruction,
user program execution cannot be terminated before the slot instruction execution; execution
stops before the branch destination instruction.
5. A break will not occur with the execution counts specified on the execution of the multi-step
instruction.
2.2.7 Note on Setting the UBC_MODE Command
In the [Configuration] dialog box, if [User] is set while the [UBC mode] list box has been set, the
STEP-type commands that use Break Condition 2 for implementation cannot be used.