The set-top box factory, the set-top box serial number, serial number printed in 5 copies of encrypted stickers bar code label, of which 2 are affixed to the set-top box and the external packing box.
机顶盒出厂前，应将机顶盒序列号、加密序列号印制成5份不干胶条形码标签，其中2份分别贴在机顶盒和外包装盒上。
All equipment used must be calibrated on an annual basis. Calibration stickers with last calibration and calibration due date must be affixed to each instrument.
使用的所有设备都必须以一年为周期进行调校。载有最后调校日期和调校周期的调校粘纸必须粘固在每一个仪表上。
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