What do these phrases mean? #05

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May 7, 2014 20:01 Translation Cartoon
There were some phrases I didn't understand when I watched this cartoon.

It would help if you could explain these.
I do not mind explanations in English.

At 2:24
(1) to get a clear reading--
She was interrupted, so I don't get what she means.

The context:
These scans don't make sense.
Chris, I think you were standing too close to him for me to get a clear reading--

At 4:00
(2) Polo
I know "Marco Polo."
But I want to know the reason why Beth said "Polo."

The context:
[Emotion Lord] Marco!
[Beth] Polo!