This became common in 2021 when users paired newer scopes (e.g., GIF-EZ1500 series) with older CV-290 firmware. According to the 2021 manual, the solution is a user fix. Contact Olympus for a firmware compatibility patch – do not attempt to modify scope EEPROMs.
typically refers back to the core operational guidelines established by Olympus. BioClinical Services Official Instruction Manuals olympus cv290 manual 2021
Do not use portable RF communication equipment (e.g., two-way radios, certain cell phones) within 30cm of the CV-290 – 2021 clinical studies showed interference with the touch screen during ESD procedures. This became common in 2021 when users paired newer scopes (e
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Bedside cleaning → Leak test → Manual washing → AER cycle → Drying storage → Pre-use check