If the XARGS are not supplied, the filter parameters retain their previous values. CFGINTF
with no XARGS can be used to turn the interference filters On/O without making any other
changes to their threshold constants. Likewise, if only XARGS is supplied, then that single
threshold value is used for both C1 and C2.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---------------------------------------------------------------
| | | | | | | | | | | | | | | | |
| Filter | 0 0 0 0 0 1 1 1 1 1 1 1 | Command
|---------------|------------------------------------------------|
Filter chooses which interference algorithm should be run. See 7.2.5 Interference Filter
(page 178).
• 0: None (Interference filtering is disabled)
• 1: Alg.1 (Traditional JMA Algorithm)
• 2: Alg.2 (Alg.1 optimized for additive interference)
• 3: Alg.3 (Alg.2 with better statistics)
Vaisala recommends Alg.3 for general operational use. The other algorithms are included
mostly for historical reasons.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---------------------------------------------------------------
| | | | | | | | | | | | | | | | |
| Threshold Parameter C1 in Hundredths of decibels | XARG 1
|----------------------------------------------------------------|
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---------------------------------------------------------------
| | | | | | | | | | | | | | | | |
| Threshold Parameter C2 in Hundredths of decibels | XARG 2
|----------------------------------------------------------------|
8.25
Set AFC level (SETAFC)
SETAFC sets the AFC level to a given value.
The signed 16-bit span is identical to GPARM Output #51 which shows the present AFC
level, that is, corresponding to the -100 ... +100% AFC range that is
defined in the Mb menu.
See 5.2.1 Mb — Burst Pulse and AFC (page 93).
RVP900 automatically converts the new level to the configured analog or digital AFC output
format. The exception is for the Motor/Integrator type of AFC loop, for which this command
does nothing.
Chapter 8 – Host Computer Commands
311
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