Final answer:
When receiving an 'Operator ID invalid' error on a glucose meter, double-check your entry for accuracy, ensure you are using the correct ID, and if the problem continues, contact an administrator to confirm your ID's validity or get it activated.
Step-by-step explanation:
If you encounter the message "Operator ID invalid. ID entered was not found in the list of valid Operator ID's." while attempting to access a glucose meter, it typically means that the personal identification number (PIN) or username being used to log into the device has not been recognized or authorized by the system. The first step would be to carefully re-enter the Operator ID, ensuring there are no typos. If the issue persists, you should check if you are using the correct ID or contact an administrator to verify that the ID is listed as valid. If you are new or recently assigned to use the device, it may be necessary to have an ID created or activated in the system. Always ensure you are following the correct protocol as per the guidelines provided for the medical device you are using.