To reconcile a bank transaction manually, please do the following:
Navigate to Nominal Transaction enquiry window for the Bank account to reconcile against.
Once the transaction is found, click the Popover Icon on the left-hand side.
Then click the Reconcile option.
The Transaction will now be marked as reconciled
Please note that a manual reconciliation will flag it as reconciled on the date that is done, and in the corresponding period that date relates to.