Ericsson GH198 Volume Control, Microphone Mute, Scratch Pad, Key Lock, Turning the Phone Off

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Audible Call Timer

If Special Function No. 13. Minute Minder is enabled, a short beep is heard in the earphone every full minute during the call. Refer to the chapter Special Functions.

Volume Control

During a conversation, you can adjust the volume of the earpiece with these keys.

Press ▲ (Up) to increase and ▼ (Down) to de- crease the volume. Each time you press ▲ or ▼, the volume is altered by one step, the full range being five steps.

Microphone Mute

During a conversation, the microphone can be deactivated by holding down M (MUTE).

The word ‘‘MUTED’’ is shown in the display.

To resume the conversation, release the M key.

Scratch Pad

During a conversation you may take a note of a phone number given to you by entering the number on the keypad. After the call is ended, the number will remain in the display and you can call it immediately. However, the number will

also be stored in the dialling memory. Refer to the chapter Dialling Memory and Scratch Pad.

Key Lock

You can lock the keypad so that unintentional key action has no effect if the phone is turned on. This feature is useful when you, for example, are carrying the phone in a pocket.

The keypad remains locked until you receive a call, or until you unlock the keypad yourself.

To lock the keypad:

Press M (MODE) and then # (Hash).

‘‘KEYLOCK’’ (Key Lock) is displayed.

To unlock the keypad, you do exactly the same:

Press M, followed by #.

Emergency calls (112) can be made when the keypad is locked.

Turning the Phone Off

To turn the phone OFF, press and hold down the Power key until a click is heard.

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Contents Ericsson Ericsson Mobile Communications AB Innovatron PatentsSafety and Precautions 1208/4/P/502763Contents Special Functions Introduction About this manualRecharg Overview Key functions SIM -- Subscriber Identity Module PIN -- Personal Identification NumberElectronic lock Observe the followingPIN check enabled Making the Phone Ready for UseTurning the Phone On SIM not insertedServ indicator flashes Message ‘‘NO NETW’’ No Net- work is displayedMaking a Call Entering a Phone NumberIf a number contains more than 10 digits If a call is unsuccesful Ending the callSee also the chapter Dialling Memory and Scratch Pad Receiving a Call Call Time MeterVolume Control Microphone MuteScratch Pad Key LockStatus Indicators DisplayAlphanumeric Field Numeric FieldAlphabetic Mode CallFunction UseKeypad Recall Store Clear MODE/MUTEPower Volume controlAlphabetic mode letter mode EndMute -- Privacy key Chapter Basic OperationNumeric keys Audible Signals Ringing SignalIllumination Star and HashVisual Signals Alarm SignalError Signal Confirmation ClickStoring Numbers Storing a Number and NameMemory Protection Memory FullErasing a Stored Number and Name Numeric and Alphabetic Mode Recalling a Number Using Numeric ModeScrolling through the Memory Alternative Method for Recalling a NumberRecalling a Number Using Alphabetic Mode Speed CallingAppending Digits to a Recalled Number Replacing the Last Digits of a Recalled NumberDialling Memory Scratch PadRecalling the Last Six Numbers Called Storing a NumberRecalling a Number Sending Dtmf Signals Sending a CodePre-programmed Dtmf Signalling To send the codeText in the display Special Function ‘‘RETRY OFF’’Accessing a Special Function Using MethodChanging a Setting Storing a New SettingUsing a Combination of the Two Methods Leaving a Special FunctionRinging Signal Volume Key Clicks, Silent Keypad or Dtmf SignalsCall Forwarding ###Cancelling ALL call forwarding services ‘‘IF BUSY’’ ‘‘NO REPLY’’ ‘‘UNREACHABL’’Call Barring ‘‘CANCEL ALL’’ ‘‘CHG PASSW’’‘‘ACTIVATE’’ appears ‘‘BARRING ON’’ or‘‘CHANGE PASSWORD’’ -- -- -- ‘‘CHG PASSW’’ is displayed Changing your passwordAutomatic Re-try Back Light Current NetworkAvailable Networks ‘‘LIGHT AUTO’’ or ‘‘LIGHT OFF’’ or ‘‘LIGHT ON’’Network Selection Mode Automatic Network SelectionReviewing the list of networks List of ‘‘Preferred’’ NetworksDeleting a network Total Call Time Last Call TimeMinute Minder Unblocking Procedure PINDigitSIM Unblocking Key Enabling/Disabling the PIN CheckAny Key Language SelectionArea Code ‘‘ANYKEY OFF’’ or ‘‘ANYKEY ON’’, is displayedBattery Discharge Battery VoltageEntering and storing the area code Turning the Area Code facility on or OFFPhone Lock Full lockAuto lock Changing your security codeEnabling the electronic lock Disabling the lock or changing the lock levelStandard battery Slimline battery High-capacity Battery BatteriesCare and Maintenance Low battery alarm during a callInserting and Removing a Standard or Slimline Battery Removal InsertionInserting and Removing a High-Capacity Battery Slide indicator RechargingConnecting the basic charger Basic ChargerRecharging a standard battery Hands-Free Vehicle Kit Portable Hands Free Vehicle Power Adaptor and Rapid Charger Recharging a battery and powering the phone Connecting the multi charger Multi ChargerRecharging a battery using the horizontal compartment Recharging a battery using the vertical compartmentObserve the following Serv Indicator Flashes Received Signal Is WeakFlashing Red Indicator Light -- Alarm Signal Sounds Phone Does Not Come OnChanging Your Password Steady Red Indicator LightMessages ‘‘UPDATE ERROR’’ ‘‘SIM UPDATE’’ or Password changing was successful‘‘SIM SECUR’’ or Inserting the SIM

GH198 specifications

The Ericsson GH198 is a notable mobile phone that emerged in the late 1990s, encapsulating the early era of cellular technology. This device, popular in its time, encompassed several features and characteristics that appealed to users seeking reliable communication solutions.

One of the main features of the Ericsson GH198 was its compact design, which allowed for easy handling and portability. Weighing in at a mere 300 grams, it was lightweight compared to many of its contemporaries. The device boasted a monochrome LCD display, which, while simpler than today's standards, offered clear and readable text for phone numbers and messages. The display was complemented by a user-friendly interface, allowing for seamless navigation through features.

The GH198 operated on the GSM (Global System for Mobile Communications) standard, a significant technology in mobile telephony that laid the groundwork for modern mobile networks. GSM technology enabled the GH198 to provide enhanced voice quality, reliability, and better coverage than previous analog systems. The phone supported various frequency bands, enhancing its usability across diverse regions.

One of the standout characteristics of the Ericsson GH198 was its extended battery life. The device utilized a NiMH battery, which provided talk time of up to 12 hours and standby time of up to several days. Users appreciated this longevity, as it reduced the frequency of charging interruptions, allowing for prolonged connectivity on the go.

In terms of functionality, the GH198 offered essential features such as SMS (Short Message Service) capabilities, enabling users to send and receive text messages—a feature that was gaining popularity during its release. Additionally, the phone included a phonebook memory capacity for storing hundreds of contacts, making it convenient for users to maintain their personal and professional connections.

The Ericsson GH198 also supported functionalities such as call waiting and caller ID, enhancing the overall user experience. Its simple yet effective design made it ideal for both business professionals and everyday users looking for straightforward communication tools.

In summary, the Ericsson GH198 embodied the pinnacle of mobile technology in its era. With its compact design, reliable GSM connection, impressive battery life, and essential communication features, it played a significant role in the evolution of mobile phones, paving the way for future innovations in the telecommunications industry.
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