
network in the same frequency, however they are just useful
to avoid disturbing stations not owning of the same network
with messages not related to them. In any case, if more than
one station is transmitting at the same time, this will cause
an interference. Don’t transmit if the status LED is glowing
or the icon is on the LCD. Wait till nobody is transmitting
on the channel.
Adjusting volume
When no keys are pressed for 5 seconds, the radio is in its normal
condition (stand by) and the
(up) and
(down) keys are used
to adjust the RX volume: just repeatedly press the key to increase
or the key to reduce it. The bar meter
provided in the bottom
part of the LCD will continuously show the volume level; as many
bars you will see, as higher is the volume level currently selected.
2
You will later see that up and down keys are also used to adjust
other settings recalled by pressing once or more times the MENU
key. This key is used to access the command menu.
Channel selection
If your radio has been programmed with more than one channel you
can easily change it. As previously explained each channel is identified
by alphanumeric names which are previously defined by your network
manager or supplier. They should have designated appropriate names
for them in order to make easier for you quickly recognizing which
channel you are currently working in.
To select a channel:
12
Basic Operations
1) Press the MENU key in order to access the command menu and
see on the display the message
Channel
. Normally you have to
press the key just once, but if necessary repeatedly press it again.
2) Press the
key to increase the channel number or the
key to decrease it.
3) Press the MENU key repeatedly to go through the next menu item
or press and hold to go to the previous menu item, or press the
(clear) key to escape the menu and restore the normal LCD
condition.
2
After 5 seconds, if you are not pressing any key, the menu is
automatically escaped, so the display will automatically revert to
its normal condition.
Adjusting squelch
Squelch device provide to silence your radio when you are working
in open traffic mode (please see “Reception”) and no signals are
received. It’s very important to adjust it in order to set the minimum
level which assures you a stable silence in stand-by condition. If the
squelch level is too high, you might lose weak signals. A good squelch
adjustment assures also a proper scanning operation.
To adjust the squelch:
1) Ensure that no communications are carried out in the tuned channel
(the icon shouldn’t be present in the top right part of the LCD).
2) Repeatedly press the MENU key in order to access the command
menu and see on the display the message
Squelch
(normally
you have to press the key twice). You will also see a number which
is the squelch adjustment level.
Channel
English