Retevis RT628 Mode D'emploi page 5

want to listen to, briefly press and release or to resume
scanning for the next active channel.
Removing Channels from the Scan List (Nuisance
Delete Feature)
To remove a channel so the radio does not stop on it
while scanning, press and hold UP or DOWN for at
least 3 seconds, then release. This channel temporarily
removes the channel from the scan list.
To restore the channel, turn the radio off and then back
on.
Note: You cannot remove the channel of your radio
setting when you started the scan (called your
home channel)
Setting and Transmitting Call Tones
Your radio can transmit different call tones to other
radios in your group so you can alert them that you
want to talk.
To set a call tone:
1. With the radio on, press
tone setting flashes
2. Press UP or DOWN to change and hear the call tone.
3. Press or to set the new call tone.
MENU
To transmit your call tone to other radio , you need to
set to the same channel and Interference Eliminator
Code as your radio, then press ♪ .
Note: Setting the call tone to 0 disables the call tone
feature.
Voice Activation (VOX)
Voice activation (VOX) allows you to talk hands-free.
1.Press PTT and , then turn on the radio
All manuals and user guides at all-guides.com
3 times. The current call
MENU
displays.
2. When Turn the radio on.
3. To transmit, speak into microphone. There is a short
delay between the time you start talking and when
the radio transmits.
4. To receive, stop talking.
To turn VOX off, press PTT.
Setting the Sensitivity Level
Adjusting your radio's sensitivity level helps minimize
the possibility of unintended noises triggering a
transmission and helps the radio pick up soft voice.
1. Press until
MENU
2. Press UP or DOWN to select the sensitivity level:
3 = High Sensitivity
for quiet environments
2 = Medium Sensitivity
for most environments
3 = Low Sensitivity
for noisy environments
Setting the double channel monitor
1. Press five times until CH displays, the current
MENU
channel flashes.
2. Press UP or DOWN to set the monitor channel.
3. Press PTT to save the double channel monitor
setting.
4. Then the double channel will flash.
Setting the SQUELCH Level 1-6
1. Press six times or until SL displays.
MENU
2. Press UP or DOWN to select the receive sensitivity
level.
01 = High receive Sensitivity
4
displays.
displays.