Standard Horizon HX751, Руководство пользователя

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HX751 Page 24
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 [
CLR
(
WX
)] key. The
band will change from USA, to International, and to Ca-
nadian 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 43) 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 HX751 ’s keypad may be
locked out.
Hold down the [ H/L
( )] key to lock the keypad (except the
PTT , [ VOL
], [
SQL
], [
POWER
( )], [
LIGHT
(
STROBE
)], 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.