HP8657 emulation mode
1GP71_0E
149
Rohde & Schwarz
Instrument initialisation
The (factory) default setting of the HP8657 is applied when
o
applying a DCL, SDC to the GPIB interface.
o
transmitting the first command after activating this emulation mode.
The following table shows the (factory) default setting, applied by the SM*’s
emulation software.
Subsystem
Default setting
ADDITIONAL
-
FREQUENCY
CW = 100.0 MZ
CW STEP = 10.0 MZ
AMPLITUDE
LEVEL = -143.5 DBM
LEVEL STEP = 10.0 DB
OFFSET = 0.0 DB
OUTPUT = ON
MODULATION (AM)
DEPTH = 0.0 PCT
DEPTH STEP = 1.0 PCT
STATE = OFF
SOURCE = INTERNAL
FREQUENCY = 1.0 KHZ
MODULATION (AM)
DEVIATION = 0.0 KHZ
DEVIATION STEP = 10.0 KHZ
STATE = OFF
SOURCE = INTERNAL
FREQUENCY = 1.0 KHZ
MODULATION (PULSE)
STATE = OFF
SOURCE = INTERNAL
FREQUENCY = 1.0 KHZ
Table 147: factory default setting
Additionally, all (backup) registers 0 … 99 are preset to the factory defaults,
too.
Status reporting
Status reporting is generally not supported by the HP8657.