Related Manuals for Siemens SVI-HMFNA04
Summary of Contents for Siemens SVI-HMFNA04
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Page 1: User Manual
SIEMENS Automotive systems Corp. SASCO Functional Description / User Manual SIEMENS Automotive Systems Corp. Smart Key Fob SVI-HMFNA04 Page 1 of 5... - Page 2 SIEMENS Automotive systems Corp. SASCO FCC Compliance Statement. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions : (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
- Page 3 • passive start after interior detection of the SMART KEY FOB (without interior trunk and hat shelf detection) • LF-RF communication (based on Siemens’ SMART KEY system) • passive access trunk/tailgate via the trunk lid switch at the trunk •...
- Page 4 Technical aspects of 125 kHz – magnetic field: • virtually no reflections, • cubical decrease of field strength → allows good range control, • released frequency band (ISM), • high penetration, • low quiescent current demand due to 125 kHz input stage (SMART KEY FOB), •...
- Page 5 Figure 2: System Block Diagram...
- Page 6 2 Smart Key Fob for homologation 2.1 Button operation for homologation time button pressing : Low side Frequency (Carrier wave continueous mode) time button pressing : High side Frequency (Carrier wave continueous mode) time button pressing : FSK Modulation (Modulated wave continueous mode) time button pressing : Stop operation.