When preparing a patient to wear a holter monitor instruct the patient to?

When preparing a patient to wear a Holter monitor, instruct them to keep a diary of their activities and any symptoms they experience during the monitoring period. Advise them to avoid activities that may cause excessive sweating, such as vigorous exercise or bathing, as moisture can damage the device. Additionally, remind them to not remove the monitor unless instructed and to keep the electrodes dry and intact.