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6 SOUND
6.10 Adjusting Audio Characteristics (NXDN Conventional System Only)
External Speaker Type
Supported Models: Mobile
External Speaker Type is the function to configure audio output characteristics for optimal audio quality according to the
type of speaker connected to the transceiver.
The following are audio sound characteristics of each configuration:
External
Speaker
Internal Speaker
Type
For the Internal
None
Speaker
Speaker 1
For KES-3
For the Internal
Speaker 2
Speaker
Speaker 3
No Equalization
Note
• The internal and external speakers can be switched with the External Speaker key. (Refer to
Speaker (External Speaker) on page
• If KES-5 is connected to the 3.5D jack connector of the transceiver rear panel, the front speaker is disabled.
Noise Suppressor
Noise Suppressor is the function to transmit a signal by reducing the background noise when the transceiver transmits an
NXDN digital signal.
If this function is enabled, the transceiver transmits a signal by reducing the background noise so that the noise of the
received audio will be less in the receiving transceiver. However, a part of audio component may be omitted, so that an
inward received audio will sound. In this case, configuring this function disabled allows the transceiver to transmit an audio
signal which is similar to an analog signal; therefore the received audio may be heard clearly in the receiving transceiver.
Auto Gain Control (TX Audio Response)
Auto Gain Control is the function to adjust the volume level of the transmitted audio. When the volume level of the
transmitted audio is adjusted by automatically increasing or decreasing the microphone sensitivity, the transmitted audio
can be heard clearly in the receiving transceiver.
The volume level of the transmitted audio may vary depending on the voice level of a user talking to the transmitting
transceiver and the distance between the microphone and the mouth. In this case, the use of this function automatically
adjusts the microphone sensitivity, so that the transmitted audio can be heard clearly in the receiving transceiver.
FUNC (K)/Ver 1.20
Table 6-18 External Speaker Type
Speaker Terminal
Jack Connector on
D-sub Connector
the Rear Panel
on the Rear Panel
For the Internal
No Equalization
Speaker
For KES-3
No Equalization
For the Internal
For KES-5
Speaker
No Equalization
No Equalization
40.)
Description
If using the internal speaker, this configuration is
recommended. An audio signal optimal to the
internal speaker is output from the internal speaker.
If using KES-3, this configuration is recommended.
An audio signal optimal to KES-3 is output from the
3.5D jack connector of the transceiver rear panel.
If using KES-5, this configuration is recommended.
An audio signal optimal to KES-5 is output from the
D-sub 15-pin connector of the transceiver rear
panel.
If using an external speaker other than KES-3 or
KES-5, this configuration is recommended. An
audio signal without equalization is emitted from
each terminal.
6.9 Switching the Internal/ External
CONTENTS
INDEX
44
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