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hardware:dbbc.reprogram [2016/09/16 16:36] Jesse Swan |
hardware:dbbc.reprogram [2016/09/16 16:38] (current) Jesse Swan |
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- Open a VNC connection to the DBBC. At Hobart, connect to 131.217.63.248:0 <code>Applications --> Auscope Hobar --> VNC -->dbbchb </code> | - Open a VNC connection to the DBBC. At Hobart, connect to 131.217.63.248:0 <code>Applications --> Auscope Hobar --> VNC -->dbbchb </code> | ||
- You should see a window named ''DBBC2 Control DDC v104_2.exe''. Close it and then restart it from the desktop. When prompted to reconfigure press "y", it takes about 2 minutes. | - You should see a window named ''DBBC2 Control DDC v104_2.exe''. Close it and then restart it from the desktop. When prompted to reconfigure press "y", it takes about 2 minutes. | ||
- | - It is then necessary to make sure the DBBC is synchronised with the station PPS:<code>Enter Command: pps_sync</code> You should then see a row of LEDs on the DBBC flash in sync, once a second. | + | - It is then necessary to make sure the DBBC is synchronised with the station PPS. After some time, in eremotectrl type:<code>dbbc=pps_sync</code> You should then see a row of LEDs on the DBBC flash in sync, once a second. |
- Lastly, the Mark5 time needs synchronising. To do this, open a terminal on pcfshb and type <code>fmset</code> In the interface, type ''S'' followed by ''y'', then press the **ESC** key. | - Lastly, the Mark5 time needs synchronising. To do this, open a terminal on pcfshb and type <code>fmset</code> In the interface, type ''S'' followed by ''y'', then press the **ESC** key. | ||
- In the oprin window on pcfshb, type <code>mk5=dot?</code> and check that you see ''syncerr_eq_0'' and ''FHG_on'' (or ''FHG_off''). If you see something like ''syncerr_gt_3'' then ''fmset'' may need to be run again. | - In the oprin window on pcfshb, type <code>mk5=dot?</code> and check that you see ''syncerr_eq_0'' and ''FHG_on'' (or ''FHG_off''). If you see something like ''syncerr_gt_3'' then ''fmset'' may need to be run again. | ||
- Also check that the maser-GPS and delay through the DBBC are the same (to within a microsec) with the ''maserdelay'' and ''clkoff'' commands which read the Agilent counters. | - Also check that the maser-GPS and delay through the DBBC are the same (to within a microsec) with the ''maserdelay'' and ''clkoff'' commands which read the Agilent counters. | ||
- If one or both counters are not responding to these commands, you will see an error message like this <code>ERROR sp -4 GPIB Device time-out on response c2</code> To fix this, try re-setting the counters. In the ''oprin'' window, type <code>counter</code> and try the ''clkoff'' and ''maserdelay'' commands again. | - If one or both counters are not responding to these commands, you will see an error message like this <code>ERROR sp -4 GPIB Device time-out on response c2</code> To fix this, try re-setting the counters. In the ''oprin'' window, type <code>counter</code> and try the ''clkoff'' and ''maserdelay'' commands again. |