Promax PROLITE-57, Руководство пользователя

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P - ROLITE 57
5.5.5 Unit Switch
When the instrument is in normal test mode, pressing dBm/dB can switch unit between dBm and
dB. Here, the unit dBm is the actual power and unit dB is a power value relative to reference value.
Refer to next section about “Reference value setup”.
When the instrument is in the P/F test mode, pressing dBm/dB key will automatically exit P/F test
mode and switch to normal test mode. Its unit will be in dB.