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General| Model | GH337 |
|---|---|
| Type | Mobile Phone |
| Network | GSM 900 |
| Status | Discontinued |
| Display Type | Monochrome graphic |
| Memory | No |
| Battery Type | NiMH |
| Display | 3 lines |
Overview of the GSM telephone and its capabilities.
Guide on how to use the manual and its chapter structure.
Information on the SIM card and its role in phone operation.
Explanation of the PIN and its security function.
Description of how to lock the keypad to prevent accidental use.
Information on setting and displaying the current time.
How to change the language displayed on the phone's screen.
Step-by-step guide for inserting the SIM card into the phone.
Instructions on how to connect the battery pack to the phone.
Procedure for powering the phone on and off.
Steps for entering the Personal Identification Number for access.
Explanation of display indicators for signal quality and battery charge.
Troubleshooting steps for persistent network search status.
Overview of essential phone buttons and their primary uses.
How to input a phone number for initiating a call.
Steps to initiate a phone call after entering a number.
Explanation of the call duration display during a conversation.
Procedure for terminating an active phone conversation.
How to redial the most recently dialed number.
Functionality for automatically retrying failed call connections.
Guide to making phone calls to international numbers.
How to make emergency calls, including the 112 number.
Steps for answering an incoming phone call.
How to control the call volume during a conversation.
Method to temporarily disable the phone's microphone.
Using tones for phone banking and interactive services.
Using the display to temporarily store numbers during calls.
Activating or deactivating the phone's theft protection lock.
Troubleshooting steps when the phone fails to power up.
What to do when the phone security lock message appears.
Message indicating no SIM card is currently inserted.
Actions to take if the PIN is entered incorrectly.
Steps for unblocking a SIM card after incorrect PIN entries.
An alternative procedure for SIM card unblocking.
What to do if the SIM card is permanently blocked.
Reasons and solutions for persistent network search status.
How to unlock the keypad when the keylock feature is active.
Meaning of a blinking red indicator light, typically low battery.
Meaning of a steady red indicator light, indicating battery discharge.
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