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Electronic device operable by an user for regulating and controlling ambient parameters, such as ambient temperature, comprising a processing unit, a display device for displaying selectable control functions and setting parameters related to a set of desired ambient conditions and a selection/contr

Electronic device operable by an user for regulating and controlling ambient parameters, such as ambient temperature, comprising a processing unit, a display device for displaying selectable control functions and setting parameters related to a set of desired ambient conditions and a selection/control unit for selecting by the user at least one control function or setting parameter from among a set of displayed control functions or setting parameters. The device comprises an interactive display of a dot matrix type able to display to a user variable indications comprising at least the specific control function associated with each of said selection/control unit according to the specific selection made by the user.

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Electronic device operable by an user for regulating and controlling ambient parameters, such as ambient temperature, comprising a processing unit, a display device for displaying selectable control functions and setting parameters related to a set of desired ambient conditions and a selection/contr

Electronic device operable by an user for regulating and controlling ambient parameters, such as ambient temperature, comprising a processing unit, a display device for displaying selectable control functions and setting parameters related to a set of desired ambient conditions and a selection/control unit for selecting by the user at least one control function or setting parameter from among a set of displayed control functions or setting parameters. The device comprises an interactive display of a dot matrix type able to display to a user variable indications comprising at least the specific control function associated with each of said selection/control unit according to the specific selection made by the user. and processing means for generating a first derivative signal of the photocurrent signal, the first derivative signal including a series of peaks of varying amplitudes, generating an alternating current threshold value based on the first derivative signal on an ongoing basis, the absolute value of the alternating threshold current value tending to increase with increasing absolute values of peaks of the first derivative signal and to decrease with decreasing absolute values of peaks of the first derivative signal, and generating the threshold value based on the alternating current threshold value and a direct current threshold value. 13. The system of claim 12 wherein said threshold value is a positive threshold value. 14. The system of claim 12 wherein said threshold value is a negative threshold value. 15. The system of claim 12 wherein said processing means is further for: allowing the alternating current threshold value to decay toward zero. 16. The system of claim 12 wherein said processing means is further for: comparing the first derivative signal to the direct current threshold value. 17. The system of claim 16 wherein said processing means is further for: comparing the first derivative signal to constant, said constant being greater than the direct current threshold value. 18. The system of claim 12 wherein the alternating current threshold value is further based on a prior alternating current threshold value. 19. A barcode processing system comprising: receiving means for receiving a photocurrent signal in response to light reflected from a barcode; means for generating a first derivative signal of the photocurrent signal; means for generating a positive threshold value based on the first derivative signal; means for generating a negative threshold value based on the first derivative signal; means for generating a second derivative signal of the photocurrent signal; means for recognizing a positive transition of barcode data if the first derivative signal is greater than the positive threshold value and the second derivative signal performs a zero crossing; and means for recognizing a negative transition of barcode data if the first derivative signal is less than the negative threshold value and the second digital signal performs a zero crossing. 20. The system of claim 19 wherein said positive transition is from a dark area to a light area of the barcode. 21. The system of claim 19 wherein said negative transition is from a light area to a dark area of the barcode. ure operable only by the authorized service person; automatically opening an access port of the secure enclosure by the control device in response to the retrieval request; and automatically transporting at least one deposited item from the secure enclosure through the opened access port to the authorized service person. 2. The method of claim 1, wherein the secure enclosure further comprises a safe of an automated teller machine. 3. The method of claim 2, wherein the secure enclosure further comprises an envelope bin of the automated teller machine safe. 4. The method of claim 1, wherein receiving the retrieval request further comprises verifying a retrieval access authorization for the service person by a secure access device associated with the secure enclosure. 5. The method of claim 4, wherein verifying the retrieval access authorization by the secure access device further comprises verifying the authorization with a card in a card device associated with the secure enclosure. 6. The method of claim 5, wherein verifying the authorization with the card in the card device further comprises automatically verifying the authorization with identification data stored on a magnetic stripe of the card. 7. The method of claim 4, wherein verifying the retrieval access authorization by the secure access device further comprises automatically verifying the authorization with a transponder device associated with the secure enclosure. 8. The method of claim 7, wherein verifying the authorization with the transponder device further comprises automatically verifying the authorization with the transponder device of a transponder tag. 9. The method of claim 8, wherein verifying the authorization with the transponder device further comprises automatically verifying the authorization with the transponder device of a secured transfer bin. 10. The method of claim 1, wherein receiving the retrieval request further comprises receiving the retrieval request at an input device associated with the secure enclosure. 11. The method of claim 10, wherein receiving the retrieval request further comprises automatically sending the request by the input device to the control device. 12. The method of claim 11, wherein the input device further comprises one of a keypad and a touch screen. 13. The method of claim 12, wherein automatically opening the access port further comprises automatically activating a control mechanism associated with the access port by the control device. 14. The method of claim 13, wherein automatically activating the control mechanism further comprises automatically opening a shutter associated with the access port by the control mechanism. 15. The method of claim 14, wherein the secure enclosure further comprises a safe of an automated teller machine. 16. The method of claim 15, wherein the secure enclosure further comprises an envelope bin of the automated teller machine safe. 17. The method of claim 1, wherein automatically transporting the deposited item through the access port further comprises automatically transporting the deposited item through one of a front access port of the secure enclosure and a rear access port of the secure enclosure. 18. The method of claim 1, wherein automatically transporting the deposited item through the access port further comprises automatically transporting the deposited item by a transport mechanism. 19. The method of claim 18, wherein automatically transporting the deposited item by the transport mechanism further comprises automatically activating the transport mechanism by the control device. 20. The method of claim 19, wherein automatically activating the transport mechanism further comprises automatically activating a motor driven belt transport mechanism by the control device. 21. The method of claim 20, wherein the secure enclosure further comprises a safe of an automated teller machine. 22. The method of claim 21, wherein the secure enclosure further comprises an envelope bin of the