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Using your Attenuator as a Variable Back Reflector
Setting Up the Software
To start setting up the Back Reflector application
1. Press B
ACK REFL.
After pressing this the first parameter (INS LOSS) is ready to for
editing.
2. Edit the value insertion loss with the Modify keys.
3. Press B
ACK REFL.
4. Edit the value reference return loss with the Modify keys.
Figure 4-2 Editing the Value for the Reference Return Loss
5. Press B
ACK REFL.
6. Edit the value attenuator return loss with the Modify keys.
See “Using the Modify Keys” on page 29 for information on
editing with the Modify keys.
Resetting the Parameters
To reset any of the back reflector parameters, press and hold BACK
R
EFL until the value resets (this takes approximately two seconds).
INS LOSS resets to 2.000dB.
RL REF resets to 14.700dB (the return loss for the glass/air
interface at an open connector)
RL INPUT resets to 60.000dB.
Executing the Back Reflector Application
If you have just set up the application, then you only need to press
E
XEC to run the application.
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