User manual ERICSSON GH198

[. . . ] Ericsson GH198 Digital Handheld Telephone for GSM User's Manual This manual is published by Ericsson Mobile Communications AB, without any warranty. Improvements and changes to this manual necessitated by typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made by Ericsson Mobile Communications AB, at any time and without notice. Such changes will, however, be incorporated into new editions of this manual. © Ericsson Mobile Communications AB, 1993. INNOVATRON PATENTS APPROVED for connection to telecommunication systems specified in the instructions for use subject to the condition set out in them. [. . . ] 5b. If you chose to cancel or review the status of a call forwarding service, go to step 6. If you chose to activate a call forwarding service, the question ``NUMBER?'' appears. Enter the phone number (including the area code) to which calls are to be forwarded and press S. To select another call forwarding service, scroll forward or backward using v and w. (You can also scroll forward using any numeric key. ) ``IF BUSY'' ``NO REPLY'' ``UNREACHABL'' appear in the display. The message ``CANCEL ALL'' will also appear when you are scrolling. The Cancel All service is, however, described later in this section. 6. The message ``WAIT'' appears briefly. When you have made contact with the GSM network, either ``FORWARD ON'', together with the number to which calls will be forwarded, or ``FORWRD OFF'' comes on for ten seconds in the display. 3. When the desired call forwarding service, for example ``IF BUSY'', is displayed, press S. To cancel the service selected, or reviewing its status (ON or OFF), scroll with v or w. ``CANCEL'' ``STATUS'' appear in the display. Cancelling ALL call forwarding services: If one ore more call forwarding services are activated, you can cancel them all by using the Cancel All service. The message ``WAIT'' is displayed briefly. 4. When the desired option, for example ``STATUS'', is displayed, press S. When you have made contact with the GSM network, the message ``FORWRD OFF'' is displayed for ten seconds. If the connection fails: If the connection with the GSM network fails, a beep is heard and the message ``NETWORK PROBLEM'' -- -- -- ``NETW PROBL'' appears. Wait a moment and try again. To prevent unauthorized use of a call barring service, a password must be entered each time such a service is activated or cancelled. To improve security, you should change the password given to you by the GSM operator. The Call Barring Special Function, therefore, lets you change the password. Activating, cancelling or reviewing the status of a call barring service: 1. 3. Call Barring 2. Press M, followed by 3. The message``ALL OUTGOING CALLS'' appears, followed by the abbreviation ``ALL OUT''. To select another call barring service scroll forward or backward using v and w. (You can also scroll forward using any numeric key. ) ``OUTGOING INTERNATIONAL CALLS'' -- -- -``O INT'' ``OUT INTL EXCEPT TO HOME COUNTRY'' -- -- -O INT XH" ALL INCOMING CALLS" -- -- -- ``ALL INC'' ``INCOMING CALLS WHEN ROAMING'' -- -- -``INC ROAM'' appear in the display. The messages: This facility is not available unless you have subscribed to it. You should also read the operating instructions from your network operator. You can bar outgoing and incoming calls, to restrict the use of your phone. The following call barring services are available: q q q q q Barring all outgoing calls. Barring incoming calls when roaming. This Special Function lets you activate or cancel one or more of the above services. [. . . ] The strength of the received signal varies from place to place, and often you need only move the phone by as little as 20 -- 25 centimeters to obtain a stronger signal. Large obstacles such as buildings, hills and mountains can drastically affect the signal strength and you may have to move to obtain a sufficiently strong signal. If you use an external antenna, check its connection. INSERT SIM Is Displayed Insert your SIM. Refer to the instructions in the section Inserting the SIM at the end of this chapter. The SERV Indicator Does Not Come On or the Message NO NETW (No Network) Is Displayed The phone has not registered on a GSM network and you cannot make or receive any calls. [. . . ]