3M DFS 700 Parts list manual

3M Technical Information
Backup Battery Replacement Guide
3M™ Driver Feedback Sign DFS 700

Technical Information DFS 700 / 09.2008 II
Manufacturer and Distributor
3M Deutschland GmbH
Traffic Safety Systems Division
Carl-Sc urz-Strasse 1
P.O. Box 10 04 22
D-41453 Neuss
P one: +49(0)2131 / 14-7331
Fax: [phone] / 14-3694
Email: [email protected]
Internet: www.3M.com/de
For questions please first contact your local dealer t at you obtained your DFS 700 from.
All rig ts reserved
© 3M Deutsc land GmbH, Neuss, 2008

Technical Information DFS 700 / 09.2008 III
Table of Contents
Page
1ackup attery Replacement...................................................................... 1-1
2Resetting the units time and date............................................................... 2-2

Technical Information DFS 700 / 09.2008 1-1
1ackup attery Replacement
T is document s ows ow to replace a backup battery in a DFS 700. T e backup battery
s ould be replaced routinely every 12 mont s to ensure continuity of data collection and DFS
parameter settings.
(1) Remove bot grey covers on t e rear of t e DFS 700 door.
(2) Ensure t at battery / 12V power from transformer box is still connected to t e sign and
t e signs power switc is turned off.
(3) Carefullly remove t e battery from its spring clip, being careful not to bend t e clip back
too far and repalce wit t e new battery. Ensure t at t e battery is eld in place by t e
clip and is not loose. (Figure 1).
Figure 1
(4) Replace t e grey covers as necessary to t e rear of t e door unit.
There is a slight risk of a short circuit occurring if the battery is accidentally dropped
while being replaced. Should this happen damage may occur to the circuitry.
To avoid these risks please take care when replacing the battery. Do not let the battery
drop onto the open soldering contacts below the battery housing or come into contact
with any other soldering joints.
Please dispose of the used battery in accordance with your local government laws and
regulations. Used batteries can be returned to the distributor or deposited in suitable
public waste collection facilities.
Do not dispose of the battery in normal domestic waste.
NOTE

Technical Information DFS 700 / 09.2008 2-2
2Resetting the units time and date.
If t e battery is replaced after t e existing one as depleted and t e unit as lost power, t e
basic settings of t e sign may ave been set back to a default setting. T is can be c ecked
and c anged as follows.
(5) Switc on t e power to t e DFS and wait for it to complete its boot cycle (perip eral lines
of t e LED face c ase and t en two solid lines in t e centre of t e 2 digits illuminate to
s ow t e cycle as been completed.
(6) Open t e DFS-CAS software and connect to t e sign via your preferred met od
(Bluetoot / USB cable / Modem).
(7) Perform a status c eck of t e unit (Figure 2).
Figure 2
(8) Click t e readout button and c eck t at t e date and backup battery status are correct in
t e diagnostics screen
(9) If t e units date and time is incorrect ( as defaulted back to 1970’s) t e following
operations will set t e correct time and date. If t e time and date are correct, t is
procedure is complete.
(10) Ensure t e unit is not collecting ve icle data, t is can be done eit er by removing t e
sign door from its mounting box and facing away from t e traffic or temporarily setting
t e recording parameters to a ig setting (eg 100mp ) so t at it will not record any
passing traffic.

Technical Information DFS 700 / 09.2008 2-3
(11) Delete DFS data stored in memory (Figure 3) and click yes to clear t e DFS memory.
Figure 3
(12) Now set t e correct time by opening up t e DFS parameters (Figure 4).
Figure 4

Technical Information DFS 700 / 09.2008 2-4
(13) Select read parameters from DFS and click next (Figure 5)
Figure 5
(14) W en t e parameters box opens, select PC-time during transmission (Figure 6) and t en
select transmit modified parameters. T is will now sync ronise t e DFS700 time wit
t e time on your laptop / PDA.
Figure 6
(15) Finally, if you ad c anged t e DFS 700 data collection parameter settings to stop t e
unit collecting data, set t ese back to t e specified settings.