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Old 07-20-2006, 05:45 PM
Randy Bassham's Avatar
Randy Bassham Randy Bassham is offline
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Join Date: Mar 2005
Location: Poplar Bluff, MO
Posts: 220
Sets that came with the auto tint feature have motorized volume and the bottom two buttons on the hand unit were for volume and were both tan in color. If the set didn't have auto-tint the bottom buttons were green and red and controlled the tint. This set will also have the auto off feature, there is a circuit that uses the sync pulses from the station to hold a transistor in cutoff, when the station goes off the air the transistor conducts and charges a capacitor when the capacitor reached the firing voltage of a neon bulb the bulb fires and causes a relay to close monentarily which pulses the remote off function turning the set off. Nice circuit to have with ultrasonic remote sets since they tended to get turned on by jingling change in someones pockets or a dogs chain collar.
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