BRONDI FX-4 Twin Instruction Manual page 5

3.6.2 Monitor
You can use the Monitor feature to check for weak signals
on the current channel.
a. To activate the Monitor function, press the Menu and the
▲(UP) button at the same time.
b. If you hear constant noise and hissing sound press the
Menu button once to turn off the monitor function.
Note:
● Refer to the "Channel Table" section on this Owner's Manual
for more details.
3.7 Channel Scan
Channel scan performs searches for active signals in an
endless loop from channel 1 to 8. This allows you to find
other radios without having to change channel. To activate
this feature;
a. Press and hold the (Scan) button for 3 seconds. The LCD
screen will display "SCAN" and the channel number on the
LCD screen changes rapidly until an active signal is
detected.
b. When an active signal (any one of the 8 channels) is
detected, channel scan pauses on the active channel.
c. Press the PTT button to communicate through the active
signal channel, and the channel scan will be deactivated.
(Or press the ▲(UP) or ▼(Down) button to continue the
channel scanning).
d. Press and hold the (SCAN) button for 3 seconds to stop
the channel scanning operation.
3.8 Key Lock
The Key Lock feature allows the user to disable the
functions of ▲(UP) / ▼(DOWN), (SCAN) and the MENU
buttons in order that the PMR settings can not be changed
accidentally.
a. To activate the Key Lock feature, press MENU and
▼(DOWN) button at the same time until the Key Lock icon
( ) appears on the LCD screen.
b. To deactivate the Key Lock feature, press MENU and
▲(UP) button at the same time until the Key Lock icon (
disappears on the LCD screen.
The PTT, CALL and the
functional even if the Key Lock is activated.
3.9 Calling (Paging) Tone
You can use the CALL button to send a tone to other users
on the same channel. To activate this channel this feature;
With the PMR in normal mode, press and release the CALL
button. The unit will transmit a 2 seconds page tone to the
other unit/s set with the same channel within transmitting
range.
)
(Power) buttons will remain