Motorola HT 1000, Руководство пользователя

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Ch. Selector Lock/Display Flip This field allows you to select one of two features activated by pressing
both the channel selector controls simultaneously for two seconds.
They are:
Both features can be deactivated in the same way that it they are
activated: by pressing both of the channel selector controls
simultaneously for two seconds.
The default is Lock.
Channel Selector Lock Alert The field allows you to enable/disable the generation of a good key
chirp when the channel selector controls are being locked or
unlocked.
The default is Disabled.
Auto-backlight Use the UP/DOWN arrow keys to enable/disable this feature. If this
option is enabled and the radio user presses the radio keypad or
Channel Up/Down buttons, the display/keypad backlight will be
turned on. The backlight will be on for the length of time (in seconds)
specified in the Backlight Timer field on this screen. Once the
backlight is illuminated, the use of any control with the exception of
PTT and volume will reset the timer and extend the backlight
illumination time. If this option is disabled, only the side button
assigned to the Light function will be turned on or extend the
backlight.
The default is Enabled.
Backlight Timer (sec) Enter a value directly or use the UP/DOWN arrow keys to specify the
length of time that the LCD/keypad backlight will remain illuminated
without any keypad or control activity. This timer can be set anywhere
from one to 255 seconds in one-second increments.
The default is 5 seconds.
Channel Wrap-around Use the UP/DOWN arrows to select Enabled or Disabled. If this feature
is enabled, the active channel will be allowed to wrap around from 16
to 1 (and vice versa) when scrolling through channels.
The default is Enabled.
Lock Locks the radio on the current channel so that it cannot
be inadvertently changed.
Flip Turns the channel display upside down, so that it may be
read while the radio is worn on the hip.