3-90 Customer Programming Software (CPS)
6866588D21-D Chapter 3 - MTP850 Ex/MTP810 Ex Product Information Manual March 2009
Paragraph 14.17 "Group Hot Mic"
Paragraph 18.2 "Emergency Options"
22.1.1 Hot Mic Pending Timer
This option is used to set the time during which the phone will try to get talk permit after entering
Emergency Mode.
Timer range is 0 and 10–30 seconds, and the default setting is 30 seconds
22.1.2 Hot Mic Duration Timer
This option is used to set the time period during which the phone has talk permission after entering
Emergency Mode and the user is able to initiate an emergency group call without using the PTT
button.
Timer range is 0 and 30–1800 seconds, and the default setting is 300 seconds
22.1.3 Hot Mic Gain Delta
This option is used to set the mic gain when the terminal enters emergency mode.
The levels are in dB referenced to the normal mic gain setting
The selectable levels are:
-3 – the gain is lower than the default gain of the microphone.
0 – the gain is the default gain of the microphone.
3 – the gain is higher than the default gain of the microphone.
6 – the highest gain value possible.
22.2 Audio Profile
An audio profile is a profile that adjusts the audio parameters of the terminal, so that it can be
changed to fit its current operating environment. The following parameters can be varied per audio
profile according to a particular working environment:
• Receive and transmit gains
• Receive and transmit EQ filters
• AGC, Echo Canceller and TX Noise suppressor
• Tone volume
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