Albrecht TelMe-11T Guide D'utilisation page 16

After that press and hold the "▲" and "▼" button of TelMe-E at
the same time longer than 2 seconds.
TelMe-E is in Grouping mode and the "Operating status LED" is
blinking in Blue and in Red repeately.
The group number is matched automatically between TelMe-T
and TelMe-E and the "Operating status LED" of TelMe-E is
blinking in Blue twice per 5 seconds and turns pink afterwards.
If the Grouping was failed within 5 seconds, the TelMe-E
switches to general mode. In that case, it is required to follow the
procedure of selection again from the beginning.
3.5. Volume Up/Down (TelMe-R only)
Press "Mode" button once. "VOL" is displayed right next to the
currently selected volume level. Change the volume level by
pressing "▲" or "▼". Volume levels 0-8 are available.
For TelMe-E; Press "▲" button to turn volume up and "▼" button
for volume down directly without "Mode" selection.
3.6. Side Tone On/Off (TelMe-T only)
The acitvated Side Tone function lets the user listen to his own
voice or external played audio files while transmitting.
To select the Side Tone On/Off, push the "Power" switch down,
press and hold the "▲" and "▼" buttons at the same time and
push the "Power" switch to the top. In the LCD "GRP" is blinking.
After that, press the "Mode" button and select with "▲" or "▼"
buttons if you would like to activate ("SO") or deactivate ("SF")
the Side Tone function. Release all the buttons longer than
3 seconds to confirm your setting.
16 English