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• To lock the keypad in standby mode, press Menuand within 1.5
seconds.
• To unlock the keypad, press Unlockand within 1.5 seconds.
• To answer a call when the keyguard is on, press . During a call, the
phone can be operated normally. When you end or reject a call, the keypad
automatically locks again. You can set whether the keyguard locks automati-
cally or requires a code to unlock.
10.3 Telephone functions
The Ex-GSM 01 includes functions which are very useful in everyday life, e.g.
clock, alarm-clock, countdown timer, games, calculator, calendar and task list.
Due to Ex-relevant reasons, the internal vibration motor had to be removed.
ecom instruments GmbH advises against the use of an external vibrating unit
outside of the Ex-area since it could damage the mobile phone.
10.3.1 Infrared
Note:Do not point the IR (infrared) beam at anyone’s eye or allow it to interfe-
re with other IR devices. This device is a Class 1 laser product.
To use an IR connection, the compatible device with which you want to estab-
lish a connection must be IrDA compliant.
When sending and receiving data using IR, ensure that the IR ports of the sen-
ding and receiving devices are pointing at each other and that there are no
obstructions between the two devices. The preferable distance between the
two devices in an IR connection is 3.28 feet (1 meter) at most.
To activate the IR port of your phone to receive data using IR, press Menu,
and select SettingsConnectivity Infrared. If the data transfer is not
started within 2 minutes after the activation of the IR port, the connectin is
cancelled and must be restarted.
10.3.2 GPRS
General Packet Radio Service (GPRS) technology is a network service that
allows mobile phones to be used for sending and receiving data over an
Internet protocol (IP) –based network. GPRS enables wireless access to data
networks such as the Internet.