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[Yaesu] CAT FT990/FT1000 Problem: Clarifier Tuning

To: <yaesu@contesting.com>
Subject: [Yaesu] CAT FT990/FT1000 Problem: Clarifier Tuning
From: wulf@ping.net.au (wulf@ping.net.au)
Date: Sat, 30 Nov 2002 00:34:58 +1030 (CST)
G'day,

I experience problems setting the clarifier using the CAT interface.
The following commands are function ok as expected:

opcode | data1 | data2 | data3 | data4 | description
--------------------------------------------------------------
0x09   | 0x00  | 0x00  | 0x00  | 0x00  | RX clarifier disabled
--------------------------------------------------------------
0x09   | 0x01  | 0x00  | 0x00  | 0x00  | RX clarifier enabled
--------------------------------------------------------------
0x09   | 0x80  | 0x00  | 0x00  | 0x00  | TX clarifier disabled
--------------------------------------------------------------
0x09   | 0x81  | 0x00  | 0x00  | 0x00  | TX clarifier enabled
--------------------------------------------------------------
0x09   | 0xff  | 0x00  | 0x00  | 0x00  | Clear Offset
--------------------------------------------------------------

However I can't seem to set the frequency using the following commands:

--------------------------------------------------------------
0x09   | 0x00  | 0x00  | 0x00  | 0x64  | Tune up 100 Hz
--------------------------------------------------------------
0x09   | 0x00  | 0xff  | 0x00  | 0x64  | Tune down 100 Hz
--------------------------------------------------------------

Has anyone had success in setting the clarifier through the CAT interface?
It almost looks as if the documentation omits some information needed to
do so, e.g. which value to set data1 when tuning the clarifier.

I'm almost finished with programming a GUI that gives remote control over a
FT990 (FT1000 without dualband functionallity) and really like to get the
clarifier working too.

There also seems to be no way in enabling the FAST dial function using
the CAT interface, but this can be implemented in software.

I welcome any ideas and hints!

Many thanks in advance,

73, Berndt
VK5ABN

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