IMPACT
®
4000
20 21
HCD Mode
The Horizontal Component Distance Mode (HCD) will
be your primary mode when not using the on-board
ballistic solver. The yardage number displayed is the
critical horizontal component distance. The displayed
HCD yardage number is corrected for shot angle and
needs no extra user input; shooters simply use the
appropriate level ground bullet drop for the range
displayed and shoot.
Line of Sight (LOS)
2091 YARDS
Horizontal Component
Distance (HCD)
1811 YARDS
30˚
Note: To correctly account for wind, you need to know the line
of sight distance to the target as it is based on how far the
bullet travels to the target. This can be achieved using the
LOS or BAL Mode.
SETUP MENU
Changing Modes on the Impact
®
4000
The Impact
®
4000 is factory set to the angle
compensating HCD Range Mode, Normal Target Mode,
.308 Winchester Profile, and Range Card OFF.
To Change Modes:
Press the “Measure” button
to power on the unit, and
then press the “Settings”
button to open the Main
Menu. Navigate to and
select “Setup”. In the Setup
screen, you can access both
Range and Target Mode
Selection screens.
As you progress through the Mode Selection, you may
exit at any time and save your settings by pressing the
“Settings” button and the unit will then return to the
Range Ready screen.
Range Mode Selection
Choose between HCD, LOS and BAL Modes
On the Setup Menu screen,
toggle to and select “Range
Mode”. You can choose
between the HCD, LOS
and BAL displays. The
selected mode will be
designated with an arrow.
Return to the Setup Menu
screen and continue to
Target Mode Selection.
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