Misc Tune Up Procedure Exhibits

FCC ID: CB2825NHL3

Parts List/Tune Up Info

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FCCID_270233

Test report #0200510F FCC 15.231 for CB2825NHL3 FCC ID: CB2825NHL3 Tested May 7, 2002 MISC. EXHIBIT: T UNING INFORMATION [2.1033(B5)] Tuning: (Programming) The user programs the CB2825NHL3 as outlined in the Users Manual, Exhibit D. A summary is provided here. 1. Pressing the two outside buttons until the indicator LED begins to flash resets the memory. 2. Holding the hand-held transmitter to be copied near the CB2825NHL3 and simultaneously activating the hand-held transmitter and one of the user buttons until the indicator LED flashed rapidly trains the unit to duplicate the hand-held transmitter. The information is stored in the non-volatile memory of the CB2825NHL3. During usage, when the “trained” button is pressed, the CB2825NHL3 recalls the stored information. 1. The Voltage Controlled Oscillator (VCO) is set on the desired RF carrier frequency. 2. The antenna is coarse tuned by sweeping twice around the expected tuning point. 3. The antenna is fine tuned with 9 pulses of approximately 210 uS with 11 mS off. 4. The VCO is then modulated with the appropriate garage door opener bit code from the non- volatile memory. AHD EMC Lab, 92723 M152, Dowagiac, MI 49047, (616) 424-7014 270233 Misc. EXHIBIT: Page 1 of 2


Document Created: 2002-09-13 15:42:52
Document Modified: 2002-09-13 15:42:52
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