Operating instructions

Page 16 VX-1700 OPERATING MANUAL
FREQUENCY AND CHANNEL SELECTION
OPERATION
Memory Channel Mode
 Rotate the CH Selector knob to select the desired
Memory Channel within the selected Memory Bank.
Remember that there are a total of five Memory Banks,
so if you do not find a particular channel, it may have
been stored in a different Memory Bank.
 The microphone
[
UP
]
and
[
DWN
]
buttons may also
be used to select the Memory Channel. Pressing the
[
UP
]
or
[
DWN
]
button momentarily will cause the
Memory Channel to increment or decrement one step,
respectively. Pressing and holding the
[
UP
]
or
[
DWN
]
button in for 1/2 second will initiate upward or down-
ward scanning on the Memory Channels, respectively.
Releasing the
[
UP
]
or
[
DWN
]
button halts the scan.
ITU Marine Channel
 Rotate the CH Selector knob to select the desired ITU
Memory Channel within the standard ITU Marine
Channel Bank provided. The operating mode is auto-
matically selected, and can not be changed.
 The microphone
[
UP
]
and
[
DWN
]
buttons may also
be used to select the ITU Memory Channel. Pressing
the
[
UP
]
or
[
DWN
]
button momentarily will cause the
ITU Memory Channel to increment or decrement one
step, respectively. Pressing and holding the
[
UP
]
or
[
DWN
]
button in for 1/2 second will initiate upward
or downward scanning on the ITU Memory Channels,
respectively. Releasing the
[
UP
]
or
[
DWN
]
button halts
the scan.
2.182 MHz Emergency Channel Mode
A special Emergency Channel feature of the VX-1700 pro-
vides several important operational benefits for the owner.
 Pressing the
[
2182
]
button automatically switches the
transceiver to the Marine Distress Channel, 2182 kHz
(2.182 MHz), and also places the transceiver in the
H3E (Single-Sideband AM) mode. On the display, the
frequency “2.182.0” will be displayed, as well as a
special Alpha Tag “EMRG,” designating this as the
Emergency Channel.
 If desired, the operating mode may be changed to
J3E(USB) by pressing the keypad’s
[
1
(
MODE
)]
key.
 The
[
ALARM
]
button may be used for sending a dis-
tress signal. To test the alarm, just press the
[
ALARM
]
button momentarily. After one second, an audible alarm
will be heard, although no transmission occurs. Press
the
[
ALARM
]
button again to stop the test alarm.
 In an Emergency, press the
[
2182
]
button while press-
ing and holding in the
[
ALARM
]
button. This VX-1700
will transmit the international marine distress signal
(alternating 1300 Hz and 2200 Hz tones) for 35 sec-
onds. Press the
[
ALARM
]
button (not the
[
2182
]
but-
ton) to cancel the transmitted distress signal.
 Press the
[
2182
]
button again to exit the 2.182 MHz
Emergency Channel Mode.
 Be certain your operators and crew understand the func-
tion of the 2182 Alarm feature, and make sure they
understand that it is only to be used in case of a true
emergency situation.
Front Panel Locking
To prevent inadvertent changing of the channel fre-
quency or other front panel parameters, press the
[
P2
]
key on the front panel. All keys, and the Channel Se-
lector knob, will locked out of the operational com-
mand capability except for the POWER switch, the
[
ALARM
]
and
[
2182
]
buttons, and the
[
P2
]
key it-
self. The “ ” icon will appear on the display.
Press the
[
P2
]
key again to release the front panel to
normal operation.