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HX600S Page 15
VOLUME CONTROL
Turn this control clockwise to increase the volume.
MIC/SP JACK
The jack accepts the optional CMP460 Speaker/Microphone, MH-57A4B
Mini Speaker/Microphone, VC-24 VOX Headset or VC-27 Earpiece/Mi-
crophone. When this jack is used, the internal speaker is disabled.
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.
[BAND] KEY
Press to select the VHF Marine, AM Broadcast, FM Broadcast, and AIR
(aircraft) bands.
MICROPHONE
The internal microphone is located here.
NMEA TERMINAL
Connect to GPS receiver that outputs NMEA sentences GLL, GGA, GNS,
and RMC via the CD-36 Charger Cradle. Keep these terminals clean.