# Title: How to Use On Call Extra Glucometer & Test Strips: Step-by-Step Guide ## Author: Dr Pramod kumar ## Description: The On Call Extra Blood Glucose Monitoring System is designed for blood glucose testing using compa... ## URL: https://microsidd.com/blogs/knowledge-hub/how-to-use-on-call-extra-glucometer-test-strips ## Metafields - title_tag: How to Use On Call Extra Glucometer & Test Strips - description_tag: Learn how to use the On Call Extra glucometer step by step: strip insertion, 0.4 µL blood sample, re-dosing within 3 seconds, 4-second result and common errors.