5. Basic operations
5.1 Turning on/off
To turn on the transceiver, turn the ON/OFF/VOLUME knob clockwise until you hear it clicks: the
LCD display will light up and do an Auto-Test. Subsequently you will hear 3 beeps of different
tones. To turn off the transceiver, turn the knob counter-clockwise until you hear another click. The
LCD display will turn off and subsequently you will hear 3 beeps of different tones.
5.2 Selection of the operational channel
1) Press once the MENU[17] button. The number of the channel will start flashing on the
display.
2) Press the scroll buttons
channel.
3) Press the PTT[11] button to confirm, or wait for 5 seconds.
Refer to the table of frequencies of Chapter. 10 . Moreover, the reception frequency could be
different (duplex channels) from the transmission frequency or it could be the same (simplex
channels). Normally communications among vessels can only take place on simplex channels.
5.3 Volume control
Turn the knob VOLUME[10] to about half way and adjust it to a comfortable level as soon as you
receive a signal. If you do not receive a signal you can use the button MON/SCAN[18] described
at par. 5.5.
Ensure the channel you've selected is not a reception-only channel (if it is, the transmission will be
disabled) and that no one else is talking (this will appear on your display as the BUSY icon).
5.4 Transmission and reception
The button PTT[11] is located on the top left side of the device. To transmit:
1) Make sure that the selected channel is not reception-only (if it is transmission will be disabled)
and that no one else is currently talking;
2) Keep button PTT[11] firmly pressed: TX[2] will appear on the display;
3) Before you start talking wait for a fraction of a second then speak normally, in the direction of
the microphone, and hold the device at a distance of about 5 cm.
4) When you have finished release the button PTT[11]: TX[2] will disappear from the display;
5) When the button is in reception mode (PTT[11] not pressed) you will automatically receive any
communication;
During transmission and reception try, as far as possible, to keep the antenna in vertical position
and to avoid obstacles towards the direction of the other party.
8
/ [19] to scroll up or down the channel list till you select the desired