ANTENNA CONNECTOR

The supplied CAT460 flexible antenna is attached here.

PUSH-TO-TALK (PTT) SWITCH

When pushed activates the transmitter.

SQUELCH (SQL) SWITCH

Sets the point at which random noise on the channel will not activate the audio circuits but a received signal does. This point is called the Squelch threshold. Further adjustment of the squelch control will degrade the reception of wanted transmissions. To quickly open the squelch and monitor a channel before transmitting, press and hold this key for 3 seconds.

POWER SWITCH

Press and hold in this switch for 2 seconds to toggle the transceiver’s power “on” and “off.”

[S(UP)] KEY

Press to select a desired channel. Each press increases the channel number. When held down, the channels increase continuously.

[T(DOWN)] KEY

Press to select a desired channel. Each press decreases the channel number. When held down, the channels decrease continuously.

MICROPHONE

The internal microphone is located here.

[16/9] KEY

Immediately recalls channel 16 from any marine channel or band loca- tion. Holding down this key recalls channel 9.

[WX] KEY

Immediately recalls the last-used NOAA Weather Channel from any channel location. Recalls the previously- selected working channel when the [WX] key is pressed again.

Secondary use:

When the [16/9] key is held and the [WX] key is pressed, the radio will change the marine channel between the USA, International, and Cana- dian channels.

HX500S

 

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