TR-240 Users Manual - Preliminary
Page 5 of 7
Rev D – 3 / 09 / 2011
2.1.1
Push-to-Latch (default)
Tap the <Talk> button for less than ½ second
and the microphone path will latch and remain
enabled. Tap the <Talk> button again to turn
off the latch and disable the microphone path.
Press and hold the <Talk> button for longer
than ½ second and the microphone path will
continue to be enabled while the <Talk> button
is pressed. The microphone path will be
disabled when the <Talk> button is released.
2.1.2
Momentary
The microphone path will not latch when the
<Talk> button is tapped. The microphone path
will only be activated when the <Talk> button is
pressed.
2.2
Channel Select Button
Pressing the <1> button will activate the audio
from Intercom Channel 1 in the local headset.
Pressing the <2> button will activate the audio
from Intercom Channel 2 in the local headset.
Pressing the <1> + <2> buttons simultaneously
will activate both Intercom Channel 1 and
Channel 2 in the local headset.
The LEDs above each intercom channel button
will be illuminated when active. If the
microphone path is disabled from the talk
button, then the active intercom channel LEDs
will blink.
2.3
Local Headset Volume
The local headset volume can be controlled
from the front panel by turning the <Volume>
knob clockwise and counterclockwise to
increase and decrease the volume, respectively.
2.4
Microphone and Sidetone Levels
After a TR-240 has booted completely, the
microphone gain and sidetone level can be
adjusted. The defaults are:
Mic Gain
= 4
Sidetone
= 4
2.4.1 Microphone Gain Adjustment
Press the <1> + <Talk> buttons simultaneously
for approximately 3 seconds until a voice
prompt indicates that microphone adjust mode
has been entered. Continue holding the <Talk>
button down and use the <1> button to decrease
the level or the <2> button to increase the level.
As adjusting, voice prompts will indicate the
current level setting. When the desired level is
indicated by the voice prompt, quickly release
all the buttons for one second and that level will
be set.
2.4.2 Sidetone Level Adjustment
Press the <2> + <Talk> buttons simultaneously
for approximately 3 seconds until a voice
prompt indicates that sidetone adjust mode has
been entered. Continue holding the <Talk>
button down and use the <1> button to decrease
the level or the <2> button to increase the level.
As adjusting, voice prompts will indicate the
current level setting. When the desired level is
indicated by the voice prompt, quickly release
all the buttons for one second and that level will
be set.
