Description
ITEM PRICES ON SHIPPING ARRIVALS
CNW-418: The DAIWA CNW-418 is a manual HF antenna tuner designed for 3.5–30 MHz operation with a power handling capacity of 200W PEP (some models may be listed as 200W CW depending on duty cycle). It is a rugged, “made in Japan.
Specifications:
Model: DAIWA CNW-418
Power handling: Up to 200W PEP
Frequency coverage: 3.5–30 MHz (selectable via rotary band switch)
Manual tuning knobs for TR MATCHING, BAND, and ANT MATCHING
Range switch: (20W / 200W)
TUNER ON/OFF and dual ANTENNA selector (1/2)
Large analog SWR / Power meter
Meter Type: Cross-needle meter for simultaneous forward and reflected power/SWR readings.
Dimensions: Approximately 3.6″ x 9″ x 11”
Tuning:
Tune: Set the transmitter to a low-power CW or AM mode (around 10-20W)
Match: Adjust TR MATCHING and ANT MATCHING alternately to achieve the lowest possible reflected power (SWR) on the cross-needle meter.
Finalize: Once SWR is minimized (1:1 is ideal), increase transmitter power to normal operating levels
TR MATCHING: (Variable capacitor)
ANT MATCHING: (Variable capacitor)
BAND: Rotary switch
