RTS TR-240 Especificaciones Pagina 27

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Microphone Gain and Sidetone Level
The microphone gain controls the level of audio from the local
headset microphone path that is distributed to the external audio
interfaces and transmitted to wireless devices. The sidetone level
is the amount of a user's own voice that is fed back in the local
headset.
The local headset microphone gain and sidetone levels are
adjusted by navigating to the correct menu on the LCD.
Steps to change the Microphone Gain and Sidetone Level:
1. From the Status Screen, press <MENU> on the BTR-240
front panel.
2. Using the <UP>/<DOWN> buttons, navigate the cursor to
the “Local Headset” menu option, then press <SET> to
select the menu.
3. The Local Headset Screen is now displayed with two
options, “Mic Gain” and “Sidetone”, and a bar level
indicating their current status.
4. Use the <UP>/<DOWN> buttons to navigate the cursor to
the desired setting to modify and press <SET> to select it.
Both the cursor and the number will flash indicating that the
level is ready to be modified.
5. Use the <UP>/<DOWN> buttons to move the bar level up
and down and change the corresponding audio level.
6. When the desired level is flashing, press <SET> to select it. The
cursor and number will stop blinking indicating that the
level has been set.
7. At this point, the user has four options.
a. Press <SET> again to re-adjust the same level (return to
Step 5).
b. Use the <UP>/<DOWN> buttons and navigate to
another selection to modify (return to Step 4).
c. Press the <MENU> button to go back one menu screen
(return to Step 2).
d. Press and hold the <MENU> button for 1/2 second to
return directly to the Status Screen.
Squelch Level
The squelch setting is a feature that can be enabled to reduce
noise and/or echo that is transmitted from the base station. The
squelch level is a specified level of audio that must be met, or
exceeded, in order for that audio to be transmitted. The squelch
setting effectively acts as a noise gate at the base station for the
transmitting audio.
For example, a squelch level of “00” is off and the base station
will transmit all audio from the base station. A very low squelch
level of “01” or “02” will transmit all audio but will reduce noise
when the intercom channels are inactive. A high squelch level of
“10” or more will prevent the base station from transmitting low
levels of audio. If two users are standing next to each other, this
will significantly reduce acoustic echo between those users.
The default squelch level is set to “01” for each intercom channel.
The squelch levels are modified by navigating to the correct
menu on the LCD.
Steps to change the Squelch Level:
1. From the Status Screen, press <MENU> on the BTR-240
front panel.
2. Using the <UP>/<DOWN> buttons, navigate the cursor to
the “Squelch Settings” menu option, then press <SET> to
select the menu.
5-3
Figure 5-7
Main Menu Screen
more....more....
Squelch SettingsSquelch Settings
RF ChannelRF Channel
-> Local Headset-> Local Headset
more....more....
-> Squelch Settings-> Squelch Settings
RF ChannelRF Channel
Local Headset Local Headset
Figure 5-10
Main Menu Screen
Figure 5-8
Local Headset Screen
->Mic Gain: 08->Mic Gain: 08
Sidetone: 08 Sidetone: 08
Figure 5-9
Local Headset “Flash” Screen
->Mic Gain: 08->Mic Gain: 08
Sidetone: 08 Sidetone: 08
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