User manual HTC MDA SUPPLEMENTARY GUIDE

[. . . ] It is possible that the battery is drained off. Your device is designed by default to turn itself off if not used for three minutes. This period can be adjusted to a maximum of five minutes. Refer to the Power setting in the manual for more information. [. . . ] Why does my device power reduce faster than my friend's? ActiveSync ActiveSync operation cannot be performed or connected. ActiveSync is connected, but I can not transfer data. Display and Sound Screen freezes or no response. My device doesn't make any sound. My device's sound only can be heard from the headset. Check the Sounds settings by tapping Start > Settings > Personal tab >Sound & Notifications. Check the Volume Control, the speaker may be muted. Make sure the jack is clean and free from foreign particles. Re-inserting the headset plug into the Audio Jack and then unplugging it may help sometimes. Check to ensure the headset is supplied with the device. Make sure you have set up and connected to T-Mobile GPRS. The wireless connection to the network must be switched on, and the signal must be unobstructed. Connection & Bluetooth I can not connect to the internet; Web surfing doesn't work. I can't perform over-the-air synchronization. Unable to use Infrared (IR) to transfer information. Synchronization to a server allows your device to sync, over-the-air (OTA), directly to a Microsoft Exchange 2003 Server. This allows you to update your e-mail, contacts, calendar, and tasks information securely from any location with data connectivity. In order to use this functionality, you do not need a PC running; however, it does require your IT administrator to enable you to use this service. Transfer only one file, or no more than 25 contact cards, at a time. Line up the IR ports so that they are unobstructed and within close range. Make sure nothing is between the two IR ports. Some types of light interfere with IR connections. Try moving to a different location or turning off some lights. Do not try to use infrared beaming in the sunlight. Turn Bluetooth connection off with Communication Manager. Make sure the Bluetooth function on the other device is activated. Also, ensure you are within 10 meters of each other, and there are no obstructions. Finally, make sure the other device is set in "Discoverable" mode. I cannot end a Bluetooth connection. I cannot find another Bluetooth enabled device. I cannot connect to the Internet through GPRS / EDGE. Ensure that you have the correct APN (wap. voicestream. com) entered in your GPRS connection settings. Operating My device operation performs slowly. You may have opened too many programs. [. . . ] Start entering the initial letters of the Contact you want to call and the system will automatically search and sort the contact entries on the SIM card, in Contacts, and the phone numbers in Call History (including incoming, outgoing, and missed calls). Then, you can select the desired number or contact from the filtered list to dial. Memory "Running out of memory" pops up on the screen. I need to create space on my phone. Media Player I cannot move a file from one folder to another in Windows Media® Player. What type of extension files can Windows Media® Player play? Phone My device cannot dial out or receive calls. How can I quickly find a contact and place a call? Why is there no signal with SIM card inserted? Make sure the SIM card is installed properly. [. . . ]