Vortex Impact 850 User Manual

IMPACT® 850 SPECIFICATIONS

MIN. RANGE DEER RANGE TREE RA NGE REFLECTIVE RANGE

5 yd.
(4 m)

Accuracy: + /- 1 yards @ 100 yards

Maximum Angle Reading: +/- 60 degrees

Measuring Time: < 1 second

Battery Life: ~5000 single range measurements

Operating Temperature: 14° to 131°F (–10° to 55° C)

Magnification: 6x

Objective Lens: 20 mm

Eye Relief: 15 mm

Diopter: +/- 3

Up to 400 yd.

(365 m)

Up to 550 yd.

(502 m)

Up to 850 yd.

(777 m)

IMPACT® 850 LASER RANGEFINDER

The Impact® 850 is an extremely effective angle­compensated laser rangefinder for archers and rifle
shooters. Using the primary HCD (Horizontal Component
Distance) mode, it provides key angle compensated range
information required by the vast majority of shooters in a
simple, quick to read display.

The Impact
provides LOS (Line of
Sight) mode and Scan
feature along with
adjustments for reading in
yards or meters.

Images are fo r represent ation only. Product may var y slightly from what is sh own.

®

850 also

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Menu Button

Measure But ton

Batter y
Compartment

Adjust Focus
with Eyecu p

Lanyard
Attachment
Sockets

BASIC OPERATION

Install Battery

Open the battery compartment
and install the CR2 battery
included with the Impact® 850.

Power Up

Once you install the battery,
the Impact 850 is in Ready
Condition—the normal power-off
condition when not ranging. To
power up the Impact 850 from
Ready Condition and prepare
for ranging, press and release
the Measure button. The HCD or
LOS ranging screen will display.
The Impact 850 will power
down automatically after ten
seconds of non-use.

Focus

Turn the eyecup in or out until
image is sharp.

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Remove batte ry
compartment cover.

Install batter y with positive
side facing outwards.

Batter y Power Indicator

MODE SELECTION

Your Impact® 850 is factory set to the angle compensating
HCD mode and yards.

To change modes: After the Impact 850 is powered up,
activate the Mode Selection by pressing and holding the
Menu button for at least four seconds. Once the Mode
Selection screen displays, release the button.

As you progress through Mode Selection, you may exit at
any time and save your settings by pressing and holding the
Menu button for at least four seconds—the Impact 850 will
then return to power-up condition.

Use the Menu button
to activate the Mod e
Selection displays.

Use the Measur e
button to tog gle
through each Mo de

Mode Selection Display

Selection option.

SET AND SAVE MODE SELECTIONS

1. Choose between the HCD and LOS Modes.

After activating the
Mode Selection, press
the Measure button to
toggle between the HCD
and LOS displays. Press
the Menu button to save

Choose Be tween HCD and LO S

your desired choice and
move to the Yards/Meters
selection screen.

2. Choose between Yards and Meters Display.

After activating the Mode
Selection, press the
Measure button to toggle
between the Yards and
Meters display. Press
the Menu button to save
your desired choice.

To exit Mode Selection and save settings, press and hold
the Menu button for four seconds. Settings will also save
when the Impact

®

850 powers down automatically.

Choose Be tween Yards and Meter s

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