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HX750SPage 22
NOTE
The PTT switch is ignored for 10 seconds after the transceiver auto-
matically switches to the receiving mode by the TOT feature.
6.5 USA, CANADIAN, AND INTERNATIONAL CHANNELS
1. To change from US to International or Canadian Marine Channels, hold
down the
[
16/9
]
key and press the
[
WX
]
key. The band
will change from USA, to International, and to Canadian
with each press.
2. “USA” appears on the LCD for the USA band, “INTL”
appears for the International band, and “CAN” appears for the Canadian
band
3. Refer to the marine channel charts in section “10 VHF MARINE CHAN-
NEL ASSIGNMENTS” for allocated channels.
6.6 SIMPLEX/DUPLEX CHANNEL USE
Refer to the VHF MARINE CHANNEL CHART (page 39) for instructions on
use of simplex and duplex channels.
NOTE
All channels are factory-programmed in accordance with FCC (USA),
Industry Canada and International regulations. The mode of operation
cannot be altered from simplex to duplex or vice-versa. Simplex (ship to
ship) or duplex (marine operator) mode is automatically activated, de-
pending on the channel and whether the USA, International or Cana-
dian operating band is selected.
6.7 KEYPAD LOCKING
In order to prevent accidental channel change, the HX750S’s keypad may be
locked out.
Hold down the
[
H/L
( )]
key to lock the keypad (except the
PTT,
[
VOL
]
,
[
SQL
]
,
[
POWER
( )]
, and
[
H/L
( )]
keys) so
that they are not accidentally changed. The “ ” icon will
appear at the bottom right corner on the display, to indicate
that the functions are locked.
Hold down the
[
H/L
( )]
key until the “ ” icon disappears to unlock the radio.