问题：
What MDO4000C options can be upgraded in the field?
答案：
Only MSO, AFG & DVM/Frequency counter can be upgraded in the field. The DVM/Frequency counter is available on all models and is free when when the product is registered. Analog bandwidth upgrade options require the instrument to be calibrated at the Tektronix Service Center.
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常见问题 ID 72136
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