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HX500S Page 13
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 re-
ception of wanted transmissions. To quickly open the squelch and moni-
tor 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 chan-
nel 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.