Linear Probe L64 (2015.03) Micro Convex Probe C42 (2015.03) Stand EZU-HC1N Operation check: * System error display. (A system error is displayed about 5 minutes after startup, and the operation of the two probes has been confirmed with another model.) * Mode could not be checked. * Poor linear probe reaction. *Body / Stand: Exterior discoloration, scratches, and cracks *Linear probe: Discoloration on the handle and connector, wear on the surface, deterioration of the anti-break on the connector side. * Micro-convex probe: discoloration on handle and connector