Character filter options

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Play\Character Filters Ctrl+F9

 

This is the control panel that allows selection of which code characters are played from a selected code source. (see Select input device ). The wide range of options may appear complex, but most people will only need the Preset filters group at top left of the panel.

 

Preset filters group

Letters. Only the characters A to Z will be output.

Numbers. The numbers 0 to 9 will be output.

 

Punctuation. This allows punctuation characters: , “ . and ?

 

Prosign. These prosigns will be output: * + / and = (or SK AR DN and BT)

 

FCC. A combination of the above will be output.

 

Group1 The characters E T M A N I S O * . will be sent.

 

Group2 The characters + 0 5 ? C D R U will be sent.

 

Group3 The characters K P B G W F H 8 = ,  will be sent.

 

Group4 The characters Q L Y J X V Z / 1 2 3 4 6 7 9  will be sent.

 

All. All Valid Morse code characters will be sent.

 

Notes:

There are some advanced settings that allow the characters in the preset groups to be changed. (See Code Properties for more details.)

 

You must always select at least one group. NuMorse Pro will prevent you from unchecking all of the preset filter options.

 

The options can be used separately or combined to produce your own combinations of characters.

 

Dynamic filter group

NuMorse Pro gathers comprehensive statistics about your performance while drilling. These statistics can be used to influence what characters are emphasized during subsequent drill sessions. Here are the available options.

 

None. The feature is switched off.

 

Current session. Your performance is monitored and mistyped characters will start to be sent more frequently during the current session.

 

Currently displayed log record. The Performance statistics window can display information from previous drill sessions. This option automatically uses displayed information from a selected previous session to determine what characters are sent more frequently.

 

Note:

The dynamic filter operates via changes to the custom filter settings and so the “Use custom filter” option must be checked for dynamic filtering to function. The custom filter is described elsewhere in this help topic.

 

Select Filter type

Preset filters. Use the preset filter group settings to determine what code characters are sent.

Custom filter. Use the Custom filter settings to determine what code characters are sent.

 

 

Random Weighting settings.

If the random characters option is selected as a code source then these settings affect what characters are sent.

 

Natural language. The mixture of random characters generated will be similar to the mixture that occurs in normal English text.

 

Uniform weighting. All characters will be generated in similar quantities over a period of time.

 

Note:

Regardless of the Random Weighting setting the character filters will still determine what characters are sent as code.

 

 

Random Group length.

This setting determines the block length when random characters are being sent. A random block length can be selected by dragging the slider setting to the left hand side.

 

The custom filter

This feature allows you to set up your own combination of characters to be output. Switch characters on or off by left-clicking on them. Dont forget to select the custom filter option in the Select code filters group. If you right-click on a custom filter character then a pop-up menu will appear that allows you to go to a  Code Properties page for the selected character.

 

Notes:

Although the custom filter is used as an on-off switch it is possible to adjust each character filter setting to a value between 0 and 100. These intermediate settings are used internally by NuMorse Pro to emphasize or de-emphasize characters as part of the Dynamic filter feature described in this help topic. You can change them manually using a control in the   Code Properties page.

 

 

Clear Custom button.

Removes all custom filter settings.

 

Invert Custom button

Reverses custom filter settings.

 

Preset to Custom button

The current preset group settings are used to set up the custom filter. This can be a convenient way to quickly set up the custom filter before making manual adjustments.