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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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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.

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.

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

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