Yaesu FT-890 Operating Manual page 39

CAT System Computer Control
All
649
Bytes of Status Update Data (Sent L-to-R)
Flags
M
Operatiqg Data Record VFO-A Data VFO-B Data 32 19-Byte Memory Data Records
First Flag Byte
Bit 0: LOCK is active
(=
display)
Bit 1: GEN operation
(=
display)
Bit 2: SPLIT operation
(=
display)
Bit 3: Memory checking (M CK) in progress
Bit 4: Memory tuning (M TUNE) activated
Bit 5: MEM operation
(=
display)
Bit 6: VFO B in use for transmit or receive
Bit 7: VFO A or B operation
(=
display)
(A) Flag Bytes
one byte of Memo
y
Status flags followed by two
The first 3 bytes are treated as 24 1-bit flag
9-byte
VFOIMemo
y
Data records:
fields: a function is enabled (on) if a bit is set (I),
19-Byte Data Record Format
and disabled (off) if reset (0). Most of the func-
,
tions represented by these flags correspond to
Second Flag Byte
Bit 0: PTT line closed by CAT command
Bit 1: Memory scanning is paused
Bit 2: Scanning in progress (paused or not)
Bit 3: 3-sec mem check (M CK) timer active
Bit 4: FTT Tx inhibited during memory scan
Bit 5: Antenna Tuner tuning (WAIT)
Bit 6: HIgh SWR
(=
display)
Bit
7:
FAST tuning/scanning rate is activated
608 bytes (32 x 19) 3 111 19 bytes
9 bytes
Third Flag Byte
(A) (B) (C) (Dl
(E)
(F)
9 bytes
Bit 0: 10-watt transmit (model FT-850)
Bit 1: 50-watt transmit (model FT-850)
Bits 2
&
3: not used
Bit 4: CW key is open
Bit 5: Antenna TUNER on (panel LED)
Bit 6: Tx inhibit (eg., out-of-band)
Bit 7: Transmission in progress (PTT closed)
9 bytes
the radio display.
Mern
VFO-A or Memory Front VFO-B or Memory Rear
Flags
Memory Status Flags
(1
Byte)
9 bytes
This byte is at the head of every 19-byte Data
Record. Bits 0 through 5 are not used. Bit 6 is set
if the SPLIT function is active on the memory,
and Bit 7 is set if the memory is blanked.
VFOIMemo
y
Data Record (9 Bytes)
The structure of a 9-byte VFO/Memory Data
record is detailed in the table below. Each byte in
the table is identified by its offset from the start
(base address) of the record, since the same 9-
byte record format is also used elsewhere.
9-Byte VFOIMemory Data Record Format
Clarifier offset. 2's corn
(B) Fourth Byte: Memory Number
The 4th byte of Update data contains a binary
VFOIMemo
y
Operating Flags
value between 0 and 1Fh (31 decimal), indicating
Each bit in this field signifies a state unique to
the current memory number
-1
(or the last-se-
one VFO or half-memory.
lected memory, if operating on a VFO).
Bit 0: AM/FM freq.
is
not 100-Hz multiple
( C ) 19-Byte Data Records
Bit 1: not used
Bit 2: Memorv set to SKIP when scanning:
"
The Memory Number is followed by a 19-byte
Bit 3:
-
~ e ~ e i t e r Shift (for FM only)
record defining current operating conditions.
Bit 4:
+
Repeater Shift (for FM only)
That is, the two VFOs if operation is on a VFO, or
Bit 5: Clarifier is enabled
the front and rear halves of the current memory
Bit 6: Current mode
is
AM NARrow
if operation is on a memory. This record consists
Bit 7: Current mode is CW NARrow
page 33