SRP9170/80 P25 Portable Radio – User Manual
© ComGroup Australia 2010 Page 20 TNM-U-E-0091 1.4a
Use the ▼ and ▲ keys to adjust the mute threshold. A numeric value of the present mute
level is shown.
The “OK” key returns to the default channel screen with the selected mute setting.
It is recommended that the default mute setting of 4 be used. The SRP9180 series radios
have a carrier noise mute and this means the mute will open at the point where an analogue
signal is sufficiently noise free to be intelligible with a setting of 4.
Where the default is not acceptable, it may be adjusted for analogue channels so that:
0 corresponds to “no muting”;
4 will hear all intelligible signals;
8 will hear slightly noisy signals and;
15 will only hear signals with no background noise.
Pressing the “OK” key will exit to the Channel Screen with the selected mute setting.
Direct access to the “Mute Adjust” screen from other screens can also be programmed to
one of the function keys with the Field Programmer.
4.2.4 Phonebook
When “Phone Book” is selected from the menu screen, the Phone Book Screen is shown.
From this screen, it is possible to view the of all phone entries in the phone book.
Phone book entries may be Individual Addresses, Telephone numbers or Talk Groups.
The second line shows the name of the selected phone book entry.
The third line shows the unit identifier of the phone book entry. This is the P25 ID that the
radio will call.
The fourth line shows the IP address associated with the phone book entry. IP addresses
are used for data calls and text messages.
Phone book entries may be selected with the ▼ and ▲ keys.
A “Reset” function key press (if configured) takes the radio back to the default screen display.
When “Back” key “M” is pressed, the radio returns to the Menu screen.
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