FT-991A // LCARS INTERFACE
CONNECTING...
VFO Control
14.074.000
VFO-A (MHz)
Fine Tuning Controls
Step: 1 kHz
TUNE-A
TUNE-B
Direct Frequency Entry
14.074.000
VFO-B (MHz)
Mode & Band
Current Mode
DATA_USB
Mode Selection
Band Selection
FT8 Quick Access
TX Control
TX Power Control
50W
Power Presets
TX Status
RX
SWR
1.0:1
Meters & Status
S-Meter S0
Squelch
CLOSED
Mode
USB
Power Out
0W
Lockout
OFF
🎧 Audio Integration (Linux)

The FT-991A has a built-in USB sound card. For digital modes (FT8, PSK31, etc.) and audio monitoring:

# List audio devices:
pactl list short sources | grep -i yaesu
pactl list short sinks | grep -i yaesu
# Route audio for WSJT-X (FT8):
pavucontrol # Use GUI to select FT-991A as input/output
# Command line routing:
pactl set-default-source "alsa_input.usb-YAESU_FT-991A..."
pactl set-default-sink "alsa_output.usb-YAESU_FT-991A..."
📡 Audio Waterfall Display
⚡ VFO TUNER
14.250.000
MHz
USB
STEP:
S-METER
S5
FFT Spectrum Waterfall
14.074.000 MHz
DATA_USB
● OFFLINE
Waterfall Controls
🔊 Volume
50%
Frequency Zoom
1x
Scroll Speed
5
FFT Resolution
Canvas Height
400px
Display Options
Color Palette
Stream Status
STOPPED
Sample Rate
48 kHz
FFT Size
1024
Bandwidth
24 kHz

#### Audio Level

Peak Level -∞ dB
Audio Device Status
CODEC Status
DETECTING...
Device
PCM2903B
Format
S16_LE
Channels
1 (Mono)
📈 S-Meter History
PEAK: S0 · AVG: S0
📻 Memory Channel Manager
Memory Channels (001-099)
Click "SCAN ALL MEMORIES" to load channels from radio
Total Channels
99
Programmed
-
Current Memory
-
Last Operation
None
Memory Operations
Quick Memory Recall
Store Current VFO-A to Memory

#### Current VFO-A Status

Frequency
14.074.000
Mode
DATA_USB
Memory Management
Memory Label (Future Feature)
Memory Channel Details

#### Channel 001 Information

Frequency
14.074.000 MHz
Mode
DATA_USB
CTCSS
OFF
Label
-
🛠️ FT-991A Memory CAT Commands
# Memory operations (RX safe - no transmitting):
MC001; # Memory Channel recall - tunes VFO to memory 001
MR001; # Memory Read - reads memory 001 data
MW001; # Memory Write - stores current VFO to memory 001
# Memory response format (MR command):
MR001+14074000000100200000000000000000000000000;
↑channel ↑frequency ↑mode ↑other data
# Future: Memory tag (label) support:
MT001; # Read memory tag for channel 001 (8 chars max)
📡 Band Scanner
Scanner Controls
Preset Band Ranges
Custom Frequency Range
Step Size
Squelch Threshold (S-meter)
S3
Scan Progress 0%
Scan Status
Status
STOPPED
Current Freq
---
Active Signals
0
Scanned
0

#### Scan Parameters

Range: Not set
Step: 5 kHz
Threshold: S3
ETA: ---
Scan Results

Frequency | S-Meter | Mode | Status | Action
--- | --- | --- | --- | ---
No scan results yet. Start a scan to see active frequencies.

💾 Memory System
Memory Channels (1-99)
Memory API coming soon
Memory Operations
Channel Selection
Memory Bank Operations
Total Memories
99
Programmed
0
Current
-
Scan Mode
OFF
⚙️ Configuration
Serial Port Settings
Serial Port Path
Baud Rate
Auto-reconnect
Interface Settings
Update Rate
Debug Mode
Audio Notifications
Config Status
LOADED
Last Saved
Never
📊 Real-time Status Dashboard
Station Information
Callsign
KO4TUV
Grid Square
EM84
Power Class
GENERAL
License
VALID

#### Radio Status

VFO-A
14.074.000
Mode
DATA_USB
TX Power
50W
S-Meter
S0
Server Information
Hostname
loading...
Uptime
loading...
IP Address
192.168.10.179
Port
8000

#### Connection Status

WebSocket
CONNECTING
Connected Clients
1
Last Update
Never
Data Rate
0 B/s
Live System Metrics
CPU Usage
0%
Memory
0%
Temperature
0°C
Load Avg
0.00
🔍 System Diagnostics
Connection Diagnostics
Serial Port
UNKNOWN
CAT Commands
0
WebSocket
DISCONNECTED
Uptime
00:00:00

#### Last CAT Commands

TX: None
RX: None
Time: Never
Error Log
[System Ready]
No errors logged
Performance Metrics
Response Time
0ms
Success Rate
100%
Commands/Min
0
Buffer Usage
0%