The level of VOX sensitivity is shown by a number on the LCD Screen. At the highest level, the units will pickup softer noise (including background noise); at the lowest level, it will pick up only quite loud noise.
a.Press the MENU button 4 times, “VOX” icon will be displayed and “OF” flashes on the LCD Screen.
b.Press UP button to set the VOX sensitivity into maximum level (the maximum level is “3”.) To deactivate the VOX function, press the DOWN button until “OF” appears on the LCD Screen.
c.Press the PTT button to confirm your setting. “VOX” will steadily appear on the LCD Screen as along as the VOX feature is activated.
VOX operation is not recommended if the Terrain 650 will be used in a noisy or windy environment.
3.6 Activating the auto Channel Scan
Channel scan perform searches for active signals in an endless loop for all 8 channels, 38 CTCSS codes and all 83 DCS codes.
a.Press the MENU button 5 times, “SC” icon will display on LCD Screen.
b.Press UP or DOWN button to begin scanning channels when an active signal is detected, channel scan pauses on the active channel.
c.Press the MENU button six times, CTCSS flashes on the LCD screen press UP or DOWN button to begin scanning the CTCSS from
d.Press the MENU button seven times, DCS flashes on the LCD screen. Press UP or DOWN button to begin
scanning DCS code
e.Press the PTT button to confirm your setting.
3.7Call alert
Your Terrain 650 can alert you to incoming signal by emitting an audible call tone signal.
3.7.1 Call-Ring tone
You can send a
Press the Call button
You will hear a ring tone for about two seconds; “TX” icon appears on the LCD Screen. Any other units within the transmitting range and tuned in to the same channel and
3.7.2 Selecting a Call- Ring tone
The Terrain 650 is equipped with 5 different types of
display and “01” is blinking on the LCD Screen.
b. Press UP or DOWN button to select the desired
tone. A respective
c. Press the PTT button to confirm your setting.
