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3-26
Table 3.20 - Alphabetical List of 2251A Command Codes
CODE
RESPONSE
Note:
Underlines indicate power-up default conditions.
A0
Selects front panel Input A
A1
Selects SUMBUS Input A signal source
A2
Connects timebase reference to Input A
AAC
Selects Input A AC coupling
AAD
Disables Input A X10 Attenuator
AAE
Enables Input A X10 Attenuator
AAU
Selects Input A auto-trigger Mode
ADC
Selects Input A DC coupling
AE
Enables averaging mode, 100 samples
AFD
Disables Input A low pass filter
AFE
Enables Input A filter
AHI
Sets Input A input impedance to 1 Megohm
ALI
Sets Input A input impedance to 50 ohms
AMN
Selects Input A manual trigger mode
ANS
Sets Input A trigger to negative slope
APS
Sets Input A trigger to positive slope
B0
Selects 10 MHz signal from backplane as reference frequency
B1
Selects EXT STD. INPUT as reference frequency
BAC
Selects Input B AC coupling
BAD
Disables Input B X10 attenuator
BAE
Enables Input B X10 attenuator
BAU
Selects Input B auto-trigger mode attenuator
BCC
Selects Inputs A and B "common" mode
BCS
Selects Inputs A and B "separate" mode
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Содержание 2251A
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