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JRC NRD-515 User Manual

JRC NRD-515
14 pages
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NRD-515
OPTION
1+2
INSTRUCTION
MANUAL
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JRC NRD-515 Specifications

General IconGeneral
IF Rejection70 dB
IF Frequencies1st IF: 70.455 MHz, 2nd IF: 455 kHz
TypeCommunications Receiver
ModesAM, SSB, CW
Sensitivity0.5 μV for 10 dB S/N
Image Rejection70 dB
IF Bandwidths6.0 kHz
Power100-240 VAC

Summary

Installation Procedures

Prepare Receiver for Installation

Remove top cover, drill holes, and remove specific circuit board components.

Install Options and Connect Cables

Install option plug-in units and solder necessary wires and coax cables.

Finalize Casing

Mount the top and bottom covers of the NRD-515 receiver.

Adjustment Procedure for Option 2

Initial Tuning and S-meter Adjustment

Power on, tune receiver to 00.0 kHz for maximum S-meter reading.

Fine-Tuning Adjustments

Adjust L3 and L9 for maximum S-meter reading and mount the top cover.

Receiver Selectivities

Monitor Switch ON Selectivities

Defines bandwidths (300 Hz to 4.5 kHz) and shape factor (1/1.7) with monitor switch ON.

Monitor Switch OFF Selectivities

Defines bandwidths (500 Hz to 6 kHz) and shape factor (1/2.5) with monitor switch OFF.

PLAM Tuning Procedure

PLAM Tuning Steps

Steps for tuning a station using the PLAM detector, including switch positions and controls.

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