Agilent Technologies 54503A Podręcznik Użytkownika Strona 264

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264 Chapter4
Key Function Descriptions
Key Descriptions
PRESET Sets the spectrum analyzer to a known, predefined
state.
PRESET does not affect the spectrum analyzer
GPIB address, the contents of any data or trace
registers, stored preselector data, or any state andtrace
registers that are locked (SAVELOCK).
PRESET also
accesses the LAST STATE softkey. Refer to Table 4-7 on
page 264 for a description of each analyzer predefined
state which is stored in memory and cannot be
changed.
Front-panel key access:
PRESET
NOTE When PRESET is pressed, the preselector data stored by the user does
not change. However, the factory settings now become active.
Table 4-7 Instrument State after
PRESET Is Executed
Function State
10 MHz REF INTERNAL
ABA OFF
AB+DISPLAY LINEA OFF
AGC OFF
ANNOTATION ON
AUTO IF ADJUST ON
BAND LOCK OFF
CENTER FREQUENCY 1.45 GHz (8560E/EC) 3.25 GHz
(Agilent 8561E/EC) 6.6 GHz (Agilent
8562E/EC) 13.25 GHz (Agilent
8563E/EC) 20 GHz (Agilent 8564E/EC)
25 GHz (Agilent 8565E/EC)
CF STEP 290 MHz (8560E/EC) 650 MHz
(Agilent 8561E/EC) 1.32 GHz (Agilent
8562E/EC)2.65 GHz (Agilent8563E/EC)
4.0 GHz (Agilent 8564E/EC) 5.0 GHz
(Agilent 8565E/EC)
DELAY SWEEP 2µs, OFF
DEMODULATION FM OFF; AM OFF
DEMODULATION TIME 1 second
DETECTOR NORMAL
DISPLAY LINE 0 dBm, OFF
EXT MIXER BIAS 0 mA, OFF
EXT MIXER LO HARMONIC 6
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