The Status Bar | ||
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The Status Bar is located along the bottom of the KPSK window. In addition to providing critical information about the program's status and state, it serves several command/control functions.
Data Carrier Detect (DCD) S-meter display. The yellow bar in this area indicates DCD level. The vertical red bar in this box indicates the DCD decoding threshold (similar to a squelch setting). A left-mouse-click in this area brings up a DCD sensitivity slider. Setting this sensitivity can minimize the amount of noise text displayed when no valid signal is detected. When set to it's minimum (all the way left on the DCD slider bar) DCD is set to off, which results in all noise decoded into text. Setting the slider to higher settings establishes the minimum signal DCD level required to decode a signal and display text. The DCD S-meter display is updated instantaneously once per second and does not represent an average value. This display can be helpful when determining signal quality.
When a valid signal is being decoded and when signal 'idle' is detected, an IMD will be displayed in this area. IMD is generally used as an indication of signal quality. A high IMD (< -10 db) indicates either a very strong signal (overloading the sound card) or very poorly adjusted (overdriven) transmitter. A low IMD (approaching -30db) can be a good indicator of a properly adjusted transmitter.
IMD can only accurately be measured on strong signals and during times of carrier (i.e. tune or no text transmitting). In normal text transmissions or low signals, other signal components or noise contribute to corrupt the measure.
Please help clean up the PSK31 signals on the air by providing signal quality reports to your contacts--praise the excellent signals, help the operators with bad signals improve their signal quality. Most stations don't know they are sending a poor signal.
This box indicates the application's current status. Receive means the application is in the receive mode. Transmit means the application is in the transmit mode. You can toggle between Receive and Transmit with a single left-mouse-click in this box. This feature is only shown in the main KPSK window; it is not present within the auxiliary windows.
This box indicates current tune status. You can toggle between on and off with a single left-mouse-click in this box. The receive/transmit status will toggle showing when the transmitter is keyed in tune mode. This feature is only shown in the main KPSK window; it is not present within the auxiliary windows.
This box indicates the PSK31 operation mode. You can toggle between BPSK and QPSK with a single left-mouse-click in this box. The most common operation is BPSK. Default is BPSK. This feature is only shown in the main KPSK window; it is not present within the auxiliary windows.
If ON at the end of each transmission a CW ID is sent using the callsign entered in the personals menu. Default mode is OFF. Toggle between ON/OFF with a single left-mouse-click. This feature is only shown in the main KPSK window; it is not present within the auxiliary windows.
Automatic Frequency Control. If on, markers will automatically track the decoded signal; this is helpful/critical for signals that drift. Default mode is On. Toggle between ON/OFF with a single left-mouse-click.
If on, sets TX to last RX frequency for the signal. Default mode is On. Toggle between ON/OFF with a single left-mouse-click.
Shows frequency of the received signal; if toggled from an auxiliary window, it switches the auxiliary signal and transcript to the main application window. Toggle with a single left-mouse-click.
Displays the current date and time of your system.