Anritsu MS9710C - General Format of Query Message

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5.1.3 General format of query message
Add ? at the end of a query program header.
(1) Message without query data specification
<HR>
<Example>
CNT? Request output of a center wavelength value.
(2) Message with query data specification
<HR> NR2NR1
' SP
<Example>
LCD? ∆ 1 Inquire about the display color of display screen No.1.
5.1 Summary of Listener Input Program Message Syntactical Notation