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122 Customizing radio settings
Changing the external alert
option
If you are away from your radio and unable to answer
calls immediately, an external alert, such as a car
horn, may activate when you receive a call. The
external alert continues for a period of time and is then
turned off.
To turn external alert on or off:
1
Press
Menu
and select
Radio settings
>
Alert settings
>
External alert
.
(Depending on how your radio is programmed, you
may be able to press a function key to toggle
external alert on and off.)
2
Scroll to either
On
or
Off
and press
Select
.
Turning on backlighting
Whenever a key is pressed or a call is received, the
keypad and display light up automatically.
Backlighting only remains on for a few seconds,
unless there is further radio activity. When
backlighting is turned on, it remains on until the setting
is changed to
Off
, regardless of radio activity.
To turn backlighting on or off:
1
Press
Menu
and select
Radio settings
>
Display settings
>
Backlighting
.
(Depending on how your radio is programmed, you
may be able to press a function key to toggle
backlighting on and off.)
Select
Back
Alert settings
External alert
Indicator level
Select
Back
Display settings
Backlighting
Contrast adjust
Summary of Contents for TM9400
Page 1: ...TM9400 P25 Mobile Radios User s Guide MMB 00003 08 Issue 7 May 2021 ...
Page 2: ......
Page 144: ...144 Tait Software Licence Agreement ...
Page 145: ......
Page 146: ......