LTC LTC
6 7
Automatic Mode
In this mode the equipment opens the interior à exterior channel
automatically when it detects voice in the internal microphone.
Whenever the teller speaks to the internal microphone, the
equipment switches to the interior à exterior channel, and when
the teller nishes speaking, the equipment switches back to the
exterior à interior channel.
In automatic mode the LED indicator is permanently on.
Mute
PTT
Auto
MUTE (Automatic Mode function)
The internal microphone can be muted so that the teller can speak
without being heard outside.
To mute the microphone press and release MUTE / PTT. While
MUTE is active the LED blinks at equal intervals.
To activate the microphone again, press and release MUTE / PTT.
PTT
Auto
Mute
Auto Mute (Automatic Mode function)
For high ambient noise environments the equipment has an automatic mute function, so
that the external microphone is automatically muted while the teller is not serving any
customers.
To activate Auto Mute press and hold MUTE / PTT until the LED
turns off, then release the button and you will hear 2 beeps
conrming that the function has been activated.
To deactivate Auto Mute repeat the procedure, when releasing
the button you will hear 1 beep conrming that the function was
deactivated.
PTT
Auto
Mute
While the Auto Mute function is active, the exterior à interior channel automatically closes
after 30 seconds of inactivity on the internal microphone, and reopens upon detecting
voice on the internal microphone or by pressing and releasing MUTE / PTT.
Manual Mode PTT (push-to-talk)
In this mode the equipment opens the interior à exterior channel
by pressing and holding MUTE / PTT, and closes it when the button
is released.
In PTT mode, the LED blinks in uneven intervals.
Auto
Mute
PTT
Emergency Siren Function
The equipment has a function to sound a siren in case
of emergency. It is controlled from the power switch
on the backside.
Pull down the switch to its lower position to activate
the siren.
To deactivate the siren, pull up the switch.
LTC-05
ON
OFF
SIREN
CONFIGURATION
Adjusting the internal volume
Use the Listen knob to adjust the volume at
which the customer’s voice is heard on the
inner side.
Listen
Volume
Adjusting the external volume
Use the Talk knob to adjust the volume
at which the teller’s voice is heard on the
external speaker.
Talk
Volume
Headset use (optional)
The equipment allows to connect a headset
with a incorporated microphone for the use
inside the barrier.
1. Connect the headset to the INPUT HDS
connector (RJ9).
2. Move the second sliding switch to its left
position, labeled HDS.
ON
OFF
SIREN
1
2
Calibration procedure
Once all the components are connected, perform the calibration procedure so that the
intercom operates optimally according to the sound insulation of the barrier and the
ambient noise of the location.
This procedure requires two people, one on the inside of the barrier and the other on the
outside.
Important note:For proper operation of the equipment is important to calibrate it to suit
the sound insulation of the barrier.
External sound calibration
1. Switch on the equipment in automatic mode (see “Automatic Mode” in “Intercom
modes”).
