Kenwood_DM-81_user操作说明书手册

KENWOODDM-81DIP METERINTRODUCTION.1Inductive coupling (Fig.1A).1Capacitive coupling (Fig.1B)FEATURES3SPECIFICATIONS4CONTROLS..5PRECAUTIONS....”””.6Battery and Oscillation Coil Loading6Obtaining a Dip Point............6Measuring Transistor Resonant Circuits6Caution in Measuring Transmitters ............6Caution in Motor Pointer Deflection Change7AppLICATIONS.7Use as a Dip Meter.…7Other Frequency Measurements.............8Resonant circuit measurement..............8Use of the capacitive probe...........8Antenna resonant frequency measurement.10Use as a Signal Generator....””””””””””””””””””””””””…11Use as Crystal Checker and Marker Generator11Use as an Absorption Frequency Meter....12Use as a Field-Strength Meter.........13Capacitance and Inductance Measurements.14ADJUSTMENT.17VR1:01 Bias adj..17VR2:Meter zero adj.17VR3:Sensitivity adj.............17VR4:Battery voltage check adj17PARTS AND SERVICE17Ordering Spare Parts........17Service....17PARTS LIST....18PRINTED CIRCUIT BOARDS22SCHEMATIC DIAGRAM......24