User manual
R2020 Wired Display
User manual for R2020 Wired
display with 7” high digits.
The display includes an internal battery pack with integrated
battery charger, and a DB-9 data port for connecting to a Jugs
radar gun.
Whats Included
The following items are included with each R2020 radar gun
display.
Display with 7 inch high digits can display speeds
from 0 to 199.
Internal battery pack with integrated battery charger,
for portable operation up to 7 hours.
Wall transformer to charge the battery inside the
display
Operation
When setting up the display and radar gun, follow these steps.
Set the display in the field for easy viewing, with the
radar gun aimed at the object who’s speed will be
measured, as close to head on as possible.
Push and hold the ON button on the rear of the
display for at least 2 seconds. The unit should show
a test pattern when turning on.
Inspect the connectors on the radar gun and display
to insure that no pins are bent or broken.
Attach the Jugs radar gun cable to the DB-9 (9 pin)
connector on the display. Be very careful to not bend
the pins when making the connection.
Tighten the 2 thumb screws. This will keep the
connector securely attached to the display
Attach the other end of the cable to the data port on
the radar gun.
Press the radar gun Power button, the gun should
come on and show “C” in its display. The R2020
should show “00” indicating it got data from the gun.
To test the gun, thump the tuning fork supplied with
the radar gun and place it in front of the radar gun.
The display should show the speed value
represented by the tuning fork on both the radar gun
display and on the R2020 display.
You are now ready to use the radar gun system.
When finished for the day, re-connect the display to the
wall transformer and connect the wall transformer to AC
power, to recharge and maintain the battery when not in
use.
Storage
When the display is not used for extended periods of time, the
internal batteries will slowly discharge over time.
Manufactured for the Jugs Company by Alzatex. Inc.
1
05/20/08
