11 APD Measurement
AMPTD Y Scale
Key Path
AMPTD Y Scale, Internal Preamp
Example :POW:GAIN OFF
Readback Off
Initial S/W Revision Prior to A.02.00
Low Band
Sets the internal preamp to use only the low band.
The frequency range of the installed (optional) low-band preamp is displayed in square brackets on the
Low Band key label.
Key Path
AMPTD Y Scale, Internal Preamp
Example :POW:GAIN ON
:POW:GAIN:BAND LOW
Readback Low Band
Initial S/W Revision Prior to A.02.00
Full Range
Sets the internal preamp to use its full range. The low band (0–3.6GHz or 0–3GHz, depending on the
model) is supplied by the low band preamp and the frequencies above low band are supplied by the high
band preamp.
The frequency range of the installed (optional) preamp is displayed in square brackets on the Full Range
key label. If the high band option is not installed the Full Range key does not appear.
Key Path
AMPTD Y Scale, Internal Preamp
Example :POW:GAIN ON
:POW:GAIN:BAND FULL
Readback Full Range
Initial S/W Revision Prior to A.02.00
μW Presel Center
Presel Center@3017.
μW Presel Adjust
Preselector Adjust@3020.
EMI Receiver Mode Reference 907