
Chapter 5 137
8656B, 8657A/B/D/J Programming Codes
Command Mapping
[:SOURce]:FM[1]:STATe OFF
• If the last code executed is S1, external modulation is turned off for the AM and FM on path two by
mapping to the following commands:
[:SOURce]:AM2:STATe OFF
[:SOURce]:FM2:STATe OFF
• If the current active function is AM or FM, both paths are turned off by mapping to the following
commands:
[:SOURce]:AM[1]:STATe OFF
[:SOURce]:AM2:STATe OFF
[:SOURce]:FM[1]:STATe OFF
[:SOURce]:FM2:STATe OFF
• If S4 is executed with S1, S2, or S3, it will turn off the current active modulation type.
S5 (DC FM)
• FM becomes the active function.
• In addition, the following commands are mapped:
[:SOURce]:FM2:SOURce EXTernal1
[:SOURce]:PULM:STATe OFF
[:SOURce]:AM[1]:STATe OFF
[:SOURce]:AM2:STATe OFF
[:SOURce]:FM2:EXTernal[1]:COUPling DC
[:SOURce]:FM2:STATe ON
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