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HX750SPage 20
6. BASIC OPERATION
6.1 PROHIBITED COMMUNICATIONS
The FCC prohibits the following communications:
y False distress or emergency messages:
y Messages to “any boat” except in emergencies and radio tests;
y Messages to or from a vessel on land;
y Transmission while on land;
y Obscene, indecent, or profane language (potential fine of $10,000).
6.2 INITIAL SETUP
1. Install the battery pack on the transceiver (see section “4.1.2 BATTERY
INSTALLATION/REMOVAL”).
2. Install the antenna onto the transceiver; hold the bottom end of the an-
tenna, the screw it onto the mating connector on the transceiver until it is
snug. Do not over-tighten.
NOTE
Water resistance of the transceiver is assured only when the battery
pack is attached to the transceiver and MIC/SP cap is installed in the
MIC/SP jack.
6.3 RECEPTION
1. Press and hold the
[
POWER
( )]
key for two seconds to
turn the transceiver on. The DC supply voltage will be
indicated on the display for 2 seconds.
2. Press the
[
SQL
]
key to activate the squelch adjusting
mode. Press the
[
T
]
key until the SQL level is “00”, then
press the
[
SQL
]
key again (or wait 3 seconds to exit from
the squelch adjusting mode). This state is known as
“Squelch Off”.
3. Press the
[
VOL
]
key to activate the volume adjusting
mode. Press the
[
T
]
/
[
S
]
key until the noise or audio from
the speaker is at a comfortable level, then press the
[
VOL
]
key again (or wait 3 seconds to exit from the volume ad-
justing mode).
4. Press the
[
SQL
]
key, then press the
[
S
]
key until the
random noise disappears. This state is known as the
“Squelch Threshold”.
5. Press the
[
T
]
or
[
S
]
key to select the desired channel.
Refer to the channel chart on page 39 for available chan-
nels.