Speaker/Earpiece; Volume Adjustment Mode; Accessory Setup; Audio Features - Motorola MTP830 S Product Information Manual

84 | Man-Machine Interface
Call Type
Duplex call (Private/Phone/ PABX)
While the ambience listening is active or while being in the covert mode users cannot switch to the high audio mode
by pressing the speaker control key.

Speaker/Earpiece

Each radio has an internal speaker for high audio (located at the middle of the unit) and an internal earpiece for low
audio (located at the top of the unit). The audio can be routed either to the speaker or the earpiece using the Audio
Toggle menu and the assigned One-Touch Button.

Volume Adjustment Mode

You can set the volume to Individual or Common. When it is set to Individual, the volume level for Voice, Duplex,
Simplex, Earpiece, Speaker and Keypad can be set per user preferences. When set to Common, the audio has one
setting for all items.

Accessory Setup

When connecting an accessory to the radio's side connector, if it is an IMPRES accessory, the radio detects and
recognizes the accessory automatically. Else, if the accessory is CORE, Other (i.e. 3rd party accessory, detected by
specific resistance values), or Secondary Accessory (i.e. an earpiece connected to RSM), the radio may detect the
connection, however, the accessory has to be set manually via the Accry Setup menu (or CPS: Audio Settings). This
menu contains the supported accessories, represented by their Model Number as defined by the related ADD.
Audio Device Descriptor (ADD) is a set of parameters in the radio, which defines the audio setting (e.g. gains and
filters settings) for each accessory. For Motorola accessories, the ADDs are predefined and cannot be changed by the
user. For 3rd party accessories, the ADD parameters are configurable via CPS (Audio Settings -> 3rd Party Accessory
Device Parameter) – please refer to the licensable "Motorola 3rd Audio Device Descriptor (ADD) parameter creation
for 3rd party audio accessories" document. Motorola ADDs can be imported and removed via CPS (Buttons, Keys
and Accessories -> ADD Import / Remove).
Important: Do not connect RSMs to both connectors at the same time.

Audio Features

There are many situations where the demand of audio quality changes according to the working environment. For
example, an airport worker, who works partly in the field where there is lots of noise coming from the surrounding
environment and partly inside the airport where there is relatively less noise, may experience different audio quality.
In the working environments like these ones, there is a need for different audio quality and adaptive audio parameters
which can be configured according to the working environment.
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Menu Setting
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Key Use
Controls speaker/earpiece of an on-
going call