288)Reference Level Offset68 (highest byte)

289)Reference Level Offset

290)Reference Level Offset

291)Reference Level Offset (lowest byte) 292-321) Not Used

322-1921) Sweep Data

(400 points * 4 bytes/point = 1600 bytes)

4 bytes for each data point

1.dBm69 (highest byte)

2.dBm

3.dBm

4.dBm (lowest byte)

Site Master Returns: 1 byte

1)255 (FFh) Operation Complete Byte

224 (E0h) Parameter Error: Not enough bytes transferred

225 (E1h) Memory Error: Not enough memory to store data 238 (EEh) Time-out Error

Query Sweep Memory – Control Byte #27 (1Bh)

Description: Queries Site Master for percentage of memory that is available for trace storage.

Bytes to Follow: 0 bytes

Site Master Returns: 1 byte

1)% of memory currently available (0 to 100)

Upload Site Master VNA Sweep Trace – Control Byte #28 (1Ch)

NOTE: This command exists for backward compatibility with the S33xC models. Features new to the S33xD models are not available here. To access the new features use Control Byte #36 (24h).

Description: Uploads a Site Master VNA Mode (SWR, return loss, cable loss, DTF) sweep trace to the Site Master.

Bytes to Follow: 1255, 2287, or 4351 bytes (depending on resolution) 1-2) # of following bytes

3)Measurement Mode70

4-7) Time/Date (in Long Integer)

8-17)

Date in String Format (mm/dd/yyyy)

18-25)

Time in String Format (hh:mm:ss)

26-41)

Reference number stamp (16 ASCII bytes)

42-43)

# of data points

44)Start Frequency (highest byte)71

45)Start Frequency

46)Start Frequency

47)Start Frequency (lowest byte)

68Value sent as (Value in dBm * 1000 ) + 270,000

69Value sent as (Value in dBm * 1000 ) + 270,000

70See Control Byte #3 “Set Measurement Mode” for available measurement modes.

71Frequency in Hz

Site Master PM

33

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Anritsu S332D, S331D manual Query Sweep Memory Control Byte #27 1Bh, Upload Site Master VNA Sweep Trace Control Byte #28 1Ch