Anritsu Site Master S331D - Manual (Page 39)

288) Reference Level Offset 68 (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. dBm 69 (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 Mode 70
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)
Site Master PM 33
68 Value sent as (Value in dBm * 1000 ) + 270,000
69 Value sent as (Value in dBm * 1000 ) + 270,000
70 See Control Byte #3 “Set Measurement Mode” for available measurement modes.
71 Frequency in Hz