BendixKing KHF 990 - Manual (Page 73)

Enable Numeric Digit Roll Over (NORMALLY ENABLED)
(Roll Over)
When enabled digit roll over causes numerical entries to ‘roll over’
from minimum to maximum and maximum to minimum values. When
digit roll over is disabled, numerical entries stop changing at the mini-
mum and maximum values. Operation of the frequency field
changes depending on the digit rollover state. When direct rollover is
enabled, then changes to a frequency digit past nine carries/borrows
from the next higher digit. When digit rollover is disabled, each digit
is changed independently of the others.
BRIGHTNESS SETTING
The Bright Page is a Program Operation Sub-Page. This page is
used during initial installation to configure the display and the panel
brightness for the lighting bus maximum voltage. There are three
selections:
Panel Front panel brightness
Display Display brightness
Combined One lighting bus, controls both display
and panel brightness.
For the combined bus, when the voltage on the lighting bus drops
below 1/64 of maximum voltage, the display will go to full brightness.
At installation, the KCU 1051 must be configured for the aircraft light-
ing bus maximum voltage. This is done by selecting this page, set-
ting the lighting buss for full brightness and pressing the ENT key.
BBBBBBBB * bus Bus to initialize Panel, Display,
Combined
line 2 instructions Operator instructions press ENT to
set maximum level.
* Cursorable field
Operation
3-36 KHF 950/990 Pilots Guide
Rev. 0
Dec/96
Bright BBBBBBBB
ENT to set Max.
Figure 3-43 Brightness Setting