Racal Instruments 2461 User Manual page 87

Programming The Type C Function Card 4-44
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the measurement function, then the error –240 is generated
("Function Error").
PARAMETERS:
-51.2 ≤ value ≤ 51.2
DEFault = 0
MIN = -51.2
MAX = 51.2
INITIALIZATION: N/A
INTERROGATIVE FORM
INPut[1 | 2]:COMParator:LEVel:RELative? ==> <relative
comparator level>
Returns the current comparator absolute level multiplied by
the current attenuation value setting for the specified
channel.
*******************************************************
INPut[1 | 2]:COMParator:LEVel[:ABSolute] <value |
MINimum | MAXimum | DEFault>
DESCRIPTION:
Selects the comparator threshold level voltage of the channel
selected. The unit for <value> is Volt.
Auto trigger is de-selected.
If this command is received while the functions RISE:TIME,
FALL:TIME, PWIDTH and NWIDTH are active, then the error
–240 is generated ("Function Error").
If this command is received while the functions FREQuency,
PERiod, TINTerval, TOTalize, FREQuency:RATio and
CHECk are active, then, in addition to the setting of the
2461Type C User Manual
Racal Instruments  1998