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Press the PTT button of the headset and speak with a normal voice. The LED indi-
cator lights red.
Note: For the use of the PTT button on the headset, the PTT control of the accessory
socket must be activated.
3.4. Receive
The radio is continuously in the receive mode when the unit is on and not transmit-
ting. The LED indicator lights blue when the radio is receiving a signal which opens
the squelch.
3.5. Volume Level
In the receive mode the volume can be adjusted in a loop from 8 to 0 with the ‘
’
key. The volume step is thereby displayed on the LCD. 8 is the maximum, at 0 the
sound is muted.
Note: The ‘
’ key serves as a PTT button
3.6. Channel Selection
Press the Menu Button ‘M’ once . The channel number blinks. Select the desired
channel with ‘
’ or
‘
’
. Press ‘M’ again for the next menu item or wait 3 seconds.
The channel memories are already pre-programmed with channel and CTCSS com-
binations. For more details see the table in the specifications chapter.
On channel memories 1 to 10 the device is transmitting with high power. The channel
memories 11 to 20 are the same but with reduced power.
Note: If only a small range is required, the upper channel memories should be used.
The operating time of the device is increased considerably, when transmitting with
low power.
3.7. Selection of a CTCSS Tone.
Press the Menu Button ‘M’ twice, the CTCSS tone number flashes. Set the desired
CTCSS tone with ‘
’or’
’. ‘OF ‘means no CTCSS. To exit this setting, wait 3 se-
conds, or press ‘M’ again to make further settings in the menu.
an
This function is cycling through all channels searching for a signal. If a signal is
