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10-2 Security
Contrast control — The contrast view shows a
test figure and a set of commands which can be
used to adjust the figure. The ’+’ command but-
ton increases the contrast. The ‘–’ command but-
ton performs the opposite function. When the
setting is satisfactory, press OK.
Screen power-down period — (default is 5 min-
utes.) The screen power-down period sets the
time period after which the display will power
down if the device remains inactive. This feature
saves the battery and increases the communica-
tor’s operation time. The time-out value can be
between 2 to 15 minutes. The screen power-
down cannot be turned off.
System sounds — System sounds are warning and
error tones, arriving message tone, key click tones
and alarm sounds. The available settings are:
All sounds — Ring (default)/ Beep / Silent/
Silent for. The All sounds setting affects in-
coming call alerts and other alarms on both
interfaces, with the exception of clock alarm.
With Silent for, the communicator remains in
Silent mode until the time you have entered
there has passed (use 24-hour time format).
Ringing volume — Level 1/2 (default)/3/4/5.
Ringing tone — You can select one of the
tones in the pop-up box or compose a special
ringing tone for your telephone in the Extras
application.
Key click — Off / Quiet (default)/ Loud.
Warning tone — On (default) / Off.
Application tones — Calendar alarm, Clock
alarm, Received fax, Received SMS, Received
e-mail.
For each of these individual settings you can
set a specific ring type. You would then be
able to tell by the ring whether you have re-
ceived a fax or a short message, for example.
The clock alarm will sound regardless of the
communicator’s status. For example, when a
phone call is active and the communicator is
used in handsfree operation, all sounds except
the clock alarm are automatically turned off.
Preferences — Preferences let you change date
and time formats and the measurement unit. The
preferences list contains the following items:
Date format
October 25, 1997, can be shown as:
dd.mm.yy : 25.10.97
mm-dd-yy: 10-25-97
yy.mm.dd: 97.10.25
Time format — 24 hour / AM/PM.
Two o’clock in the afternoon can be shown as:
14:00
2:00 PM
Unit of measure — Choose either Centimeter
or Inch as the basic unit of measure
Security
Locking the communicator
To prevent outgoing calls from being made, you
can lock the communicator in the Security appli-
cation’s main view.
To use the Lock system key in System security,
the Autolock period setting (defined in System
security, Settings) must be set to On.
Highlight Autolock period and press Change.
Enter the correct lock code (provided in the sales
package) to change the setting status.
If autolock is on, the communicator will lock
automatically after the defined inactivity period.
Press Lock system to lock the device manually at
any time.
You can also lock the system from the phone in-
terface Menu 5 8 (see Chapter 13 "Phone inter-
face: Detailed menus list - Security options
(Menu 5)" on page 13-11).