You will see open incidents on the dashboard. Select a single incident with the checkbox on the left hand side and hit the Acknowledge button on top.
Select a single incident with the checkbox on the left hand side and hit the Resolve button on top
Alternatively, you can choose multiple incidents to change status by selecting each incident or use the dropdown to quickly select all incidents that match the criteria.
On the phone alert, you can take immediate actions by -
Press 4 to Acknowledge
Press 6 to Resolve
Press 9 to Escalate
All alerts on Slack will have actionable buttons to Acknowledge and Resolve incidents.