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HFT Switch Test

  1. Measure resistance between the No. 3 and No. 4 terminals in each switch position according to the table.

    HFT Switch

    Position
    Resistance
    No button pressed
    About 1 kΩ
    HFT Talk button pressed
    About 185 Ω
    HFT Back button pressed
    About 45 Ω

  1. If the resistance is not as specified, replace the HFT switch.