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Frequency* my be entered directly from the keyboard, or adjusted with the up/down buttons. If any settings are changed while the generator is running, it must be stopped then started again for the changes to take effect.

To play a particular digit, click on the appropriate button. Each digit will appear in the display as it is played. To play all digits on display in sequence, press the Play button. Each digit will appear in the display as it is played. To stop the sequence mid-stream, click the Stop button.

Using the button, tones may be played automatically from an ascii text file. Invalid characters are simply ignored, and each line may be commented using the semicolon as a delimiter. All characters following ";" in a line will be ignored.

2. [Ver. 1.04 and above] When the Tone Paging module is set to "AvCall 2+2", the DTMF window will be disabled. To re-enable, select a different Page Type from the drop-down menu in the Paging window, or just close the Paging window.

This generator will produce any of the industry standard "sub-audible" tones, also known as Continuous Tone-Coded Squelch System. Any custom frequency* may be entered from 20.0 to 300.0 Hz in the Custom Tone field.

To play a custom tone, simply type the frequency into the Custom Tone box, then press Play. For a standard frequency, use the list-box under "Standard Tones" and click to highlight the desired tone. The alpha-numeric codes are listed to the right of the frequency for convenience.

An optional "Turn-off Tone" may also be entered. This produces a short burst of a different frequency at the end of transmission, when the Stop key is pressed. Frequency range is 20.0Hz to 999.9Hz. The duration may be any positive integer value between 1 and 999.

Use the [optional] Single/Dual-Tone Paging console to produce either single or dual-tone page sequence, such as the type often used for fire pagers or voice paging. Most industry standard formats and frequency groups* are included for convenience.

First, select the format from the "Type" drop-down menu. If using a standard format, you must select the tones from the "Tone 1" and "Tone 2" drop-down boxes. If the "SingleTone" box is checked, only "Tone 1" is required. The same goes for CUSTOM tones.

For custom tones, check the "UnLock" box which will enable the custom frequency, duration and gap settings at the bottom of the form. Frequency entered must be from 200.0Hz to 5,000.0Hz. Durations and Gap settings can be any positive integer value and are only limited by memory availability.

For dual-tone formats, such as Quck-Call I or aviation SELCAL, select from the Type drop-down menu. This is a "2 + 2" format, similar to DTMF and thus uses the DTMF encoder. Therefore, it is not possible to generate AvCall and DTMF tones at the same time (see note 2).

Two tone frequencies must be selected from each column for "Tone 1", "Tone 1A" and "Tone 2", "Tone 2A" . The duration and gap are set to industry standard, but may changed by checking the "UnLock" option.

2. [Ver. 1.04 and above] When Type "AvCall 2+2" or "Mot. Quick Call 1" is selected, there will be 2 frequencies available for each tone because this is a dual-tone format. The DTMF window will be disabled. To re-enable, select a different Page Type from the drop-down menu in the Paging window, or close the Paging window.

The [optional] Tone Remote Generator will accurately* simulate the functions of a tone-remote console. Controls include Channel "CH", Monitor "MON", Push-to-talk "PTT" and "STOP."

In the standard dual-tone or "sequential tone" mode, PTT and CH will transmit a short high-level guard tone of the frequency selected in the "Guard Tone" drop-down menu, followed by a short burst of the frequency selected in the "Function Tone." PTT will then continue with a continuous low-level guard tone frequency until STOP is pressed. In version 1.5, the stop button must be clicked afer "CH" or "MON" to re-enable PTT.

ComTekk will display the number of digits expected for any selected format "Type", however it is possible to enter 2 to 10 digits for any type format. The standard duration is automatically set in the "Tone Width" field, but can be changed to any integer value above zero.

For paging mode, check the "Preamble" box. This will cause the first tone in the sequence to be longer, controlled by the duration in the field following "Preamble." The gap between the preamble and subsequent tones is determined by the "Gap" field. Both must be positive integer values.

This Generator is toggled on/off by clicking the "G" button on the main toolbar. It provides pseudo-random noise which can be used for measuring bandwidth and frequency response of receivers, amplifiers, etc.

All the ComTekk tone generators include the option to record to a WAV file for later playback or for sharing with others. The recording format will be the Windows default, unless compression is selected in the General Settings window.

To record a tone or sequence using any of the generators, first input the desired format, frequencies, etc. Click the Record button . A save file dialog will open. Enter a file-name and folder for the WAV file, then click OK. You are now ready to record. The next time Play is clicked, the resultant tone(s) will be recorded. The wave file is closed automatically when the tone or sequence is complete.

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