R&S SMJ100A, Руководство по эксплуатации, Страница: 650 / 874

Remote Control Commands
R&S
®
SMJ100A
634 Operating Manual 1403.7458.32 ─ 14
Example: BB:DM:CLOC:MODE SYMB
selects clock type Symbols, i.e. the supplied clock is a symbol
clock.
Manual operation: See "Clock Mode" on page 366
[:SOURce<hw>]:BB:DM:CLOCk:MULTiplier <Multiplier>
The command specifies the multiplier for clock type Multiple Symbols (
BB:DM:CLOCk:
MODE MSYM
) in the case of an external clock source.
Parameters:
<Multiplier> integer
Range:
1 to 64
*RST: 4
Example: BB:DM:CLOC:SOUR EXT
selects the external clock source. The clock is supplied via the
CLOCK connector.
BB:DM:CLOC:MODE MSYM
selects clock type Multiple Symbols, i.e. the supplied clock has a
rate which is a multiple of the symbol rate.
BB:DM:CLOC:MULT 12
the multiplier for the external clock rate is 12.
Manual operation: See "Symbol Clock Multiplier" on page 366
[:SOURce<hw>]:BB:DM:CLOCk:SOURce <Source>
The command selects the source for the digital modulation clock.
Parameters:
<Source> INTernal | EXTernal | COUPled
INTernal
The internal clock reference is used.
EXTernal
The external clock reference is supplied to the CLOCK connec-
tor.
COUPled
The clock reference (internal or external) is selected automati-
cally according to the selected data source, i.d. if the data
source changes (
BB:DM:DATA:SOUR
) the clock source is auto-
matically changed correspondingly as well.
*RST:
INTernal
Example: BB:DM:CLOC:SOUR INT
selects the internal clock reference.
Manual operation: See "Clock Source" on page 366
SOURce Subsystem