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SAMPLES
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OS/2 Help File
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1995-10-23
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8KB
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186 lines
ΓòÉΓòÉΓòÉ 1. Introduction ΓòÉΓòÉΓòÉ
This example Presentation Manager Application was written by Abbotsbury
Software Ltd. to support the use of the Hauppage Computer Works Inc. Celebrity
TV card under the IBM OS/2 Warp v3 operating system.
This example application is the Hello World application plus a remote control
and tuning facilities for use with the Hauppauge Win/TV Video Capture Adapters.
The remote control is invoked by pressing the left mouse button whilst the
remote pointer is visible. The menu is invoked by pressing the right mouse
button whilst the remote pointer is visible.
The menu contains the following options : -
File
Tune... F4
Help
ΓòÉΓòÉΓòÉ 2. Remote Control ΓòÉΓòÉΓòÉ
To select the TV/2 remote control panel you must select the left mouse button
whilst the remote pointer is being displayed (in the TV/2 screen). Once this
button has been selected a dialogue box is opened which contains the controls
which allow you to change various settings. The settings which are changeable
are : -
Channel
Left Volume
Right Volume
Treble
Bass
Brightness
Hue
Saturation
Contrast
Source
Mute
Freeze
On/Off
ΓòÉΓòÉΓòÉ 2.1. Channel ΓòÉΓòÉΓòÉ
The channel number is set by selecting one of the up or down arrows either
side of the entry field (see below). The frequency of the channel is dependent
on the region selected (see Advanced features).
Down =
Up =
ΓòÉΓòÉΓòÉ 2.2. Left Volume ΓòÉΓòÉΓòÉ
The left volume level is changeable by using the slider marked with the
following bitmap to the right : -
ΓòÉΓòÉΓòÉ 2.3. Right Volume ΓòÉΓòÉΓòÉ
The right volume level is changeable by using the slider marked with the
following bitmap to the right : -
ΓòÉΓòÉΓòÉ 2.4. Treble ΓòÉΓòÉΓòÉ
The treble level is changeable by using the slider marked with the following
bitmap to the right : -
ΓòÉΓòÉΓòÉ 2.5. Bass ΓòÉΓòÉΓòÉ
The bass level is changeable by using the slider marked with the following
bitmap to the right : -
ΓòÉΓòÉΓòÉ 2.6. Brightness ΓòÉΓòÉΓòÉ
The brightness level is changeable by using the slider marked with the
following bitmap to the right : -
ΓòÉΓòÉΓòÉ 2.7. Hue ΓòÉΓòÉΓòÉ
The hue level is changeable by using the slider marked with the following
bitmap to the right : -
ΓòÉΓòÉΓòÉ 2.8. Saturation ΓòÉΓòÉΓòÉ
The saturation level is changeable by using the slider marked with the
following bitmap to the right : -
ΓòÉΓòÉΓòÉ 2.9. Contrast ΓòÉΓòÉΓòÉ
The contrast level is changeable by using the slider marked with the following
bitmap to the right : -
ΓòÉΓòÉΓòÉ 2.10. Source ΓòÉΓòÉΓòÉ
To select the pm for the application you choose one of the four buttons marked
1, 2, 3, 4 or select the colour bars test card by selecting the button with the
following bitmap : -
ΓòÉΓòÉΓòÉ 2.11. Mute ΓòÉΓòÉΓòÉ
To mute the sound from within the TV/2 application you must press the button
containing a speaker as follows : -
When you press the button it will change state to being pressed and the bitmap
changes to represent mute : -
To unmute press the button again to return it to its former state.
ΓòÉΓòÉΓòÉ 2.12. Freeze ΓòÉΓòÉΓòÉ
To freeze the image from within the TV/2 application you must press the button
containing the blue bitmap as follows : -
When you press the button it will change state to being pressed and the bitmap
changes to white instead of blue. To unfreeze the TV image press the button
again to return it to its former state.
ΓòÉΓòÉΓòÉ 2.13. On/Off ΓòÉΓòÉΓòÉ
To switch the TV image off from within the TV/2 application you must press the
button containing the green bitmap : -
When you press the button it will change state to being unpressed and the
bitmap changes to represent off : -
To switch the TV image back on press the button again to return it to its
former state.
ΓòÉΓòÉΓòÉ 3. File Menu ΓòÉΓòÉΓòÉ
This submenu contains the following options : -
Quit
ΓòÉΓòÉΓòÉ 3.1. Quit ΓòÉΓòÉΓòÉ
This option allows you to choose whether to quit the application.
ΓòÉΓòÉΓòÉ 4. Tune Menu Item ΓòÉΓòÉΓòÉ
The Tune menu item invokes a dialog box which allows you to tune the Hauppauge
Video Capture Adapter you are using. The dialog contains 3 drop-down list boxes
which allow you to select the Input Source, Region, and Input Format. The
dialog also contains two entryfields for setting the Frequency and Channel and
a slider for setting the Fine Tune. If you select an Input Source which does
not support the tuner the tuner options (Region, Frequency, Channel, and Fine
Tune) are disabled.
ΓòÉΓòÉΓòÉ 5. Key Assigments ΓòÉΓòÉΓòÉ
F1 Help
F3 Quit
F4 Tune