JRC VHF 200 User Manual

MPE COMPLIANCE
Typical example of an Antenna MPE compliance distance
3dBi gain 1/2-wave: 1.3 meters ( 4.2 feet)
6dBi gain Collinear phased 5/8-wave: 2.0 meters ( 6.6 feet)
10dBi gain Collinear array phased 1/2-wave: 3.2 meters (10.4 feet)
Users and other nearby individuals maintain above distance or more from
a boat-mounted antenna during transmission.
Compliance with the FCC's MPE limits in 47 CFR Section 1.1310, Table 1(b).
* Maximum permissible exposure (MPE): The rms and peak electric and magnetic field
strength, their squares, or the plane-wave equivalent power densities associated with
these fields to which a person may be exposed without harmful effect and with an
acceptable safety factor.

JRC VHF 200 Specifications

General

Output Power	25 W / 1 W
Weight	1.5 kg
Channels	55
Power Supply	13.8 V DC
Modulation	16K0G3E

Summary

MPE Compliance

Operation Controls

POWER/VOL Control

Turns the radio on/off and adjusts speaker volume.

SQUELCH Control

Adjusts the squelch to minimize background noise.

16/9 Key Function

Recalls CH16 or CH09 for quick access.

U/I/C Mode Selection

Switches between USA, International, and Canadian channel modes.

WX Key Functionality

Selects weather channels or controls LCD backlight.

MEMO/SCAN Key

Controls memory storage and scanning of channels.

DW/TRI Key Modes

Selects Dual Watch and Tri-Watch scanning modes.

1W/25W Power Adjustment

Changes transmitter output power between 1 watt and 25 watts.

CALL Key for DSC

Initiates DSC (Digital Selective Calling) operation.

DISTRESS Key Operation

Activates the distress call transmission.

UP/DWN Key Navigation

Selects channels and functions within DSC operation.

PTT Switch Function

Enables transmission when pressed, receives when released.

Display Indications

Mode Indicators (USA/INT/DW/WX)

Shows selected operational modes like USA, INT, DW, WX.

LCD Channel Segment Display

Displays the current channel number.

LOW Power Indicator

Indicates when the low transmitter output power (1 watt) is active.

ALT (Weather Alert) Indicator

Blinks when a weather alert signal has been received.

TX (Transmit) Indicator

Appears when the PTT switch is pressed for transmission.

BUSY Signal Indicator

Appears while a signal is being received.

SCAN Indicator

Appears while the radio is scanning channels.

MEMO Channel Indicator

Shows the memorized channel number.

TRI-Watch Mode Indicator

Appears when Tri-watch mode is selected.

Normal Receiving Mode (88)

Indicates the radio is in the normal receiving mode.

Channel Assignment Indicators (A/DPX)

Indicates simplex (A) or duplex (DPX) channel assignments.

DSC Status Indicators

Shows status during DSC calls (DST, ALL, IND, REL, ACK, RCV).

DSC UP/DWN Key Usage

Indicates UP/DWN key usage within DSC operations.

DSC (Digital Selective Calling) Operation

Transmitting DSC Calls

Procedure for transmitting DSC calls, including Distress Calls.

Distress Call Procedure

Steps to send a distress call automatically with position data.

Distress Cancellation Procedure

Process to cancel a previously transmitted distress call.

Individual DSC Call Procedure

Method to send a DSC signal to a specific party.

All Ships DSC Call Procedure

Procedure for sending a DSC call to all vessels.

MEM Individual Call Procedure

Re-calling after an 'Unable to comply' ACK signal.

Receiving DSC Calls

Handling incoming DSC calls, including Distress Call alerts.