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Table of Contents
Universal Direct Reading CTCSS Tone Encoder/Decoder
Introduction
If you are like me, you hate looking up dipswitch settings for tone
encoder / decoder boards. The design goal that motivated the
ToneLCD was to come up with a miniature, full feature CTCSS
encoder / decoder that was easy to use. The ToneLCD is a small,
1.125 x 1.7 inches, easy to use, full-featured tone board that has a
miniature LCD that displays the operating tone!
Features:
• Encoder / Decoder for both transmit encode and receive tone
squelch decode operation.
• Find mode detects CTCSS tone that the receiver hears for
automatic operation.
• Small size, 1.3 x 1.8"
• Low power consumption
• Operates from 4-15VDC
• Dedicated detect output as well as audio path switch.
• Easy to Operate
• Fully configurable Power on State.
PIEXX ToneLCD
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Summary of Contents for PIEXX ToneLCD
- Page 1 / decoder boards. The design goal that motivated the ToneLCD was to come up with a miniature, full feature CTCSS encoder / decoder that was easy to use. The ToneLCD is a small, 1.125 x 1.7 inches, easy to use, full-featured tone board that has a...
- Page 2 The return connection for the power is on J2 pin 5. In order for the ToneLCD to operate in a tone squelch mode, it needs to sample the detected audio and provide a way to disable the audio path in the squelched condition.
- Page 3 The ToneLCD has an input signal, on J2 pin 6, that can be used as either a transmit detector input or a hang up switch input. If the input is used as a transmit detector, the CTCSS tone output will only be present when the input line is asserted.
- Page 4 Set up After you have installed the ToneLCD on your transceiver, and applied power, the display should show briefly, and then it will show different information depending on how the ToneLCD has been set up. You will need to adjust the setup parameters to match your hardware MODE configuration.
- Page 5 You can exit the setup parameter menu by pressing and holding the button for 1 second. This will cause the ToneLCD to retain the parameters you have just set. Alternatively, if you don’t press any keys for a minute or so, the ToneLCD will automatically exit the setup mode, without saving the parameters.
- Page 6 DOWN Pressing the buttons, while in the FIND mode, will cause the ToneLCD to leave the FIND mode and enter the “transmit only” ( mode. After you have the ToneLCD set to the most convenient mode of operation, you can save this as the default power up state of the device by...
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