DT390i
ENGLISH
4
5
ENGLISH
OPERATION
Internal Ba
tt
ery
Warning!
The Internal ba
tt
ery pack should only be replaced by an authorized DT Research service
representa
ti
ve. Please contact your product and/or service provider for internal ba
tt
ery
replacement service.
Powering ON and OFF
To ac
ti
vate the DT390i, push and quickly release the Power Bu
tt
on. The display will come
on in a few seconds. To put the DT390i in Standby mode, push and quickly release the
Power Bu
tt
on. To turn the DT390i o
ff
for extended storage, power o
ff
the device safely
using any so
ft
ware func
ti
on that “shuts down computer” provided in the so
ft
ware
opera
ti
ng system.
NOTE: The ba
tt
ery packs shipped with your device may be low in power—please use
the AC-DC adapter with the DT390i when se
tti
ng up the device for the
fi
rst
ti
me to
fully charge the internal ba
tt
ery pack. You may charge the external ba
tt
ery pack with it
a
tt
ached to the DT390i, or with the op
ti
onal external ba
tt
ery charger kit.
NOTE: When the ba
tt
ery pack(s) is (are) charging, the blue-colored Ba
tt
ery LED should
blink slowly. If plugging in the AC-DC adapter does not trigger this blinking ac
ti
vity
and the LED stays dark, the ba
tt
ery pack(s) may have been drained substan
ti
ally. Try
unplugging/ replugging the AC-DC adapter to the DT390i a few
ti
mes to ac
ti
vate the
charging process.
NOTE: To conserve power, use (push and quick release) the Power Bu
tt
on to put the
device in “Standby” mode while not in use. Pushing brie
fl
y on the same bu
tt
on will wake
up the system within seconds.
NOTE: Avoid using the Power Bu
tt
on (“hold 4+ seconds” feature) to turn o
ff
the
device—this form of hardware shutdown is intended to be a means of recovery from
device lockups, and not as normal opera
ti
on.
Start Up
If the power up (from Standby or otherwise) is successful, the appropriate interface will
be displayed a
ft
er a launch sequence of several seconds. The wireless LAN connec
ti
on
may take 10-15 seconds to be established.
Con
fi
guring the DT390i
The device may be con
fi
gured using the u
ti
li
ti
es and methods dictated by the so
ft
ware
opera
ti
ng system. The DT390i should be con
fi
gurable for various proper
ti
es such as user
pro
fi
les, network features, and several system elements.
Calibra
ti
on
The touch display for the DT390i is calibrated before shipping. In the event that the
calibra
ti
on has been modi
fi
ed or is unsa
ti
sfactory, the respec
ti
ve calibra
ti
on rou
ti
nes
(e.g., PenMount (PM) for Windows XP) to calibrate the touch interface may be used.
Such applica
ti
ons are typically executed through touch input via Stylus or through mouse
click via a USB mouse.
Wireless Networking
Wireless LAN
The DT390i is o
ft
en delivered with an embedded (user-inaccessible) 802.11a/b/g/n
WLAN adapter equipped with a hidden custom antenna.
T
•
hrough the support of typical WLAN adapters, the DT390i should be able to detect
all 802.11 access points in the vicinity for you to select the access point of your
choice for connec
ti
on.
T
•
he SSID and WEP/WPA/WPA2 (if enabled) parameters on the DT390i and the
access points have to match. The SSID is case-sensi
ti
ve and it is recommended
that you enable WEP/WPA/WPA2 encryp
ti
on (or advanced alterna
ti
ves) for secure
access.
W
•
hen WEP/WPA/WPA2 is enabled, you may need to consult your network admin-
istrator or your networking equipment literature to properly con
fi
gure associated
se
tti
ngs such as Authen
ti
ca
ti
on mode, etc.
R
•
efer to the access point opera
ti
ng manuals for se
tti
ng up the 802.11 access points.
!
