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The computer changes to TV reception when the removable diskette drive is replaced with the TV Tuner. The TV screen and normal computer display are easily switched by using the Hot key on the front panel of the TV Tuner. Identifying Names and Functions The following figure and table show the names and functions of each part of the TV Tuner. 1 12 22 33 44 556677 8899 13 11 10 Icons Functions .1/ Front Panel Used to change the TV channels, switch TV mode to computer mode, and operate most functions of the TV Tuner. .2/ Headphone Jack Connects the headphones. .3/ Power Indicator Shows the TV Tuner is powered on. .4/ Power Switch Powered on and off the TV Tuner. .5/ Hot Key Switches between the TV screen and computer screen. .6/ Up Switch Increases the value such as the channel number. .7/ Down Switch Decreases the value such as the channel number. Common Devices Checkout 599 Icons Functions .8/ Function Key Enters the mode to change the value of each function, such as TV channel or color contrast. (See “Using the Function Key” on page 601.) .9/ TV/EXT Switch Switches the TV mode or external video mode. .1./ Volume Knob Controls the speaker volume. .11/ Audio-In Jack Connects the audio-in connector of the AV cable. .12/ Video-In Jack Connects video-in connector of the AV cable. .13/ RF Connector Connects the active antenna unit or antenna cable. Using the Front Panel The following table shows how to operate all functions of the TV Tuner with the controls on the front panel. Key Function Power Turns on the TV Tuner. This key is used only when the computer is turned on. Hot Key Switches computer display and TV screen. Up Increases the value of parameters, Channel Number, Color, Tint, Brightness, Contrast, Auto Tuning Sensitivity, On-screen Message Selection. Down Decreases the value of parameters, Channel Number, Color, Tint, Brightness, Contrast, Auto Tuning Sensitivity, On-screen Message Selection. 600 IBM Mobile Systems - ThinkPad HMM Volume 3 Key Function Function Selects a function mode to adjust each function parameter. (See “Using the Function Key” on page 601.) TV/Ext Switches the displayed video source between the receiving TV broadcast program and external devices such as VCR, video camera recorder, laser disk, and so on. Using the Function Key: Each time you press the Function key ( ), one of the following messages (called On-Screen Message) appears at the top left corner of the LCD. The changed values are automatically saved when you return to the “TV Channel” On-Screen message. The values are not saved when you power-off the TV Tuner without returning to this message. Message on LCD Parameter . (xx) TV Channel By using and , you can select the channels from 2 to 69. . COL Color Adjustment By pressing and holding or , you can change the color. . TNT TINT Adjustment By pressing and holding or , you can change the tint. . BRT Bright Adjustment By pressing and holding or , you can change the brightness. . CNT Contrast Adjustment By pressing and holding or , you can change the contrast. Common Devices Checkout 601 Message on LCD Parameter . --( No function) Reserved. . Auto Tune Sensitivity Selection LO LO: Means the . sensitivity of the TV HI is low. In this mode, the TV Tuner receives strong TV signals only. To set LO, press . HI: Means the sensitivity of the TV is high (factory default). In this mode, the TV Tuner receives weak and strong TV signals. To set HI, press . . Time On-Screen Message appears D3S D3S: On-Screen . Message appears DON for 3 seconds. To set D3S, press . DON: On-Screen Message always appears. To set DON press 602 IBM Mobile Systems - ThinkPad HMM Volume 3 Power-on the TV Tuner: Use the ThinkPad Features program or PS2.EXE. to power-on the TV Tuner; then power-on the internal device in the diskette drive compartment. If power for the internal device is turned off when the TV Tuner is set up, nothing appears on the LCD display. Turn on power for the TV Tuner again. . If you are using DOS, do one of the following: – Power-on the computer and type PS2 from the command prompt to start the ThinkPad Features program. Select Set Power Features from the ThinkPad Features menu; then put a check mark at Internal Serial Port (or Diskette Drive Compartment) under the Power for devices.If you need help, press F1 to display the help menu. – Type PS2 MODEM ON (or PS2 DDC ON) from the command prompt; press the Enter key to set the power ON. . If you are using OS/2* or Microsoft Windows**, do the following: 1. Power-on the computer and start the ThinkPad Features program. 2. Select the Power icon; then move the pointer to Internal Serial Port (or Diskette Drive Compartment) under the Power for devices and click the button to check mark it. 3. Press the OK button. Common Devices Checkout 603 Troubleshooting The following table shows what to do to solve problems when the TV Tuner does not work correctly. Problem Probable Cause The TV Tuner . Computer is not powered on. does not . Computer is in suspe...

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