Holzworth Instrumentation HS9000B Series User Manual page 61

Reference Distribution Module Commands
:REF:INT:100MHz
Example TX:
RX:
:REF:EXT:10MHz
Example TX:
RX:
:REF:EXT:100MHz
Example TX:
RX:
:REF:STATUS?
Example TX:
RX:
:REF:PLL?
Example TX:
RX:
When using an external 10MHz reference, the response will be „1 PLL Locked‟ or „0
PLL Unlocked‟
HS9000B Series Manual 1.04
Set internal 100MHz reference
:REF:INT:100MHz
Reference Set to 100MHz Internal, PLL Disabled
Set external 10MHz reference
:REF:EXT:10MHz
Reference Set to 10MHz External, PLL Enabled
Set external 100MHz reference
:REF:EXT:100MHz
Reference Set to 100MHz External, Internal 100MHz Disabled
Query reference status
:REF:STATUS?
Internal 100MHz <or> External 10MHz <or> External 100MHz
Query PLL Lock Status
:REF:PLL?
1 PLL Locked <or> 0 PLL Unlocked <or>
0 PLL Disabled, External 100MHz <or>
0 PLL Disabled, Internal 100MHz
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