Boonton PIM 21 User Manual Manual do Utilizador descarregar pdf (Página 15)

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The third indicator of measurement results is through an audio tone. The tone varies in pitch

depending on the PIM level (default), the higher the pitch the higher the PIM level. Volume of

the tone is adjustable via the ‘TONE LEVEL’ control. If required, the tone can be connected to

external devices via the ‘TONE OUT’ connector.

9. After testing is complete the Test Set can be switched off by holding down the ‘PWR ON OFF’

switch for 5 or more seconds.

External

Pre-test Checks

In addition to the internal calibration that the tester performs on power up, another calibration

veriﬁcation test can be performed externally prior to and post testing to conﬁrm the integrity

of results.

1. Checking residual PIM levels using optional Low IM Load.

a) Connect the provided 7/16-N adaptor to the ‘TEST PORT’.

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Boonton PIM 21 User Manual Manual do Utilizador Página 15