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Control Byte Summary
Control Byte
#
Name Description
Watchdog
Timer
1 (01h) Setup System Sets system status flags and switches Yes
2 (02h) Set VNA Frequency Sets Site Master VNA frequency range Yes
3 (03h) Select Measurement Mode Sets current Site Master measurement mode Yes
4 (04h) Set VNA Scale Sets Site Master VNA scale values Yes
5 (05h) Set VNA Marker Sets position and on/off status of Site Master markers in VNA modes Yes
6 (06h) Set VNA Single Limit Sets position and on/off status of the Site Master single limit in VNA modes Yes
7 (07h) Set DTF Parameters Sets Distance to Fault parameters Yes
8 (08h) Set Time/Date Sets time and date of the Site Master Yes
9 (09h) Set Reference Number Sets reference number (trace name) for a sweep trace Yes
10 (0Ah) Serial Port Echo On/Off Allows synchronization of Site Master and request from computer for sweep trace Yes
11 (0Bh) VNA Single Sweep On/Off Enables or disables single sweep operation in VNA modes Yes
12 (0Ch) Watch-dog Timer On/Off Enables or disables the watch-dog timer —-
13 (0Dh) Sequence SM Calibration Triggers a calibration step Yes
14 (0Eh) Set Site Master Data Points Sets number of measurement data points for Site Master VNA modes Yes
15 (0Fh) Set SM Calibration Mode Sets the Site Master calibration mode to OSL Cal (standard) or FlexCal Yes
16 (10h) Store Sweep Trace Saves current trace data to EEPROM —-
17 (11h) Recall Sweep Trace Site Master sends the sweep data associated with a trace (obsolete) Yes
18 (12h) Save System Setup Saves system setup parameters to EEPROM Yes
19 (13h) Recall System Setup Recalls system setup parameters from EEPROM Yes
20 (14h) Query System Status Gets the current system settings (obsolete) —-
21 (15h) Trigger Self-Test Triggers a self test —-
22 (16h) Read Fail Counters Returns the values of the lock-fail and integrator counters —-
24 (18h) Query Trace Names Returns list of all saved traces —-
25 (19h) Delete Sweep Trace Deletes single or all stored sweep traces Yes
26 (1Ah) Upload SPA Sweep Trace Uploads a spectrum analyzer sweep trace to Site Master (obsolete) Yes
27 (1Bh) Query Sweep Memory Queries Site Master for percentage of memory that is available for trace storage —-
28 (1Ch) Upload VNA Sweep Trace Uploads a Site Master VNA mode sweep trace to the Site Master (obsolete) Yes
29 (1Dh) Query System Status Queries the Site Master for current system settings Yes
30 (1Eh) Select Printer Type Selects printer type Yes
31 (1Fh) Select DTF Windowing Selects DTF Windowing Methods Yes
32 (20h) Set VNA Trace Math Selects Trace Math operation for VNA modes Yes
33 (21h) Recall Sweep Trace Queries the Site Master for sweep trace data Yes
34 (22h) Set VNA Trace Overlay Sets trace overlay operation and trace for VNA modes Yes
35 (23h) Set SPA A/B Trace Defines traces “A” and “B” for SPA mode Yes
36 (24h) Upload Sweep Trace Uploads a sweep trace to the Site Master Yes
37 (25h) Get Options Returns an ASCII string listing installed options —-
39 (27h) Query Power Level Returns power level at RF In in Power Meter mode —-
40 (28h) Set Power Meter Units Sets Power Meter displaying unit Yes
41 (29h) Power Meter Relative Mode Enables or disables Power Meter Relative Mode Yes
Site Master PM 3