EXTERNAL TV TUNER BOX
Model CMT345
Firebird Systems, Inc.
Chatsworth, CA 91311, USA
www.Firebird-systems.com
Introduction
Thank you for purchasing CMT345. The product you have purchased has
been carefully engineered and manufactured to bring you dependable
operation. Read this manual before operating this unit to get familiar
with its features and obtain the performance that will bring you a lot of
enjoyment for many years. Please retain this manual for future reference.
Precautions
When use this product, basic safety precautions should always be followed
to reduce the risk of fire and electric shock, including the following:
Read and understand all instructions marked on this product.
To prevent fire or shock hazard, do not expose this product to rain moisture.
Do not use near a bath tub, wash bowl, sink, or laundry; do not use in a wet
environmet or nearby a swimming pool.
To avoid electrical shock, do not open the case of the product.
Operate this product using only the power supply included with it or provided
as an accessory. If you are not sure of the type of power supplied to your home,
consult your dealer or local power company.
Do not overload electrical outlets or extension cords as this can result in fire or
electric shock.
The unit should be situated away from heat sources such as radiators, fireplace,
etc.
Specifications
Audio Input: 1 x PC stereo phone jack 350m Vrms.
1 x Video stereo phone jack 350m Vrms.
Audio Output: 1 x stereo Audio phone jack 350m Vrms.
Video Input: 1Vp-p@ 75 ohm
S-Video Input: Y: 1Vp-p@ 75 ohm
C: 0.286 Vp-p @ 75 ohm
YCbCr Input: 3 x RCA
RF Input: 75 ohm Coaxial Cable
PC Input: 0.7 Vp-p R.G.B. plus H&V Sync. 3~5 Vp-p.
PC Output to Display Monitor : 0.7 Vp-p R.G.B. plus H&V Sync. 3.3 Vp-p.
Power Supply: DC12V@500~800 mA
Unit weight: 644 grams
Dimensions: 226(D) X 165(W) X 46(H) mm.
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3
Input Selection:
Press the button repeatedly will toggle through five input sources available
for your selection.
The sequence of selection by repeatedly pressing the button is as
bellow:
TV(RF)g Composite Videog S-VideogYCbCr gPC Bypass
4
MENU / ENTER
Press the button to enter into OSD menu or to confirm your selection
of the highlighted parameter.
5
CH / :
When not in OSD menu mode, press the button to increase ( ) or
decrease ( ) the TV channel number.
When in OSD mode. Press the button to move up or down the hightlight
bar to your desired parameter. Or after a parameter been selected by
MENU/Enter button, press the button to alter the value of your
selected parameter.
6
[MENU]+[CH+,-]:
Press [MENU] and [CH+] or [CH-] simutaneously to increase or
decrease audio volume.
5
Rear Panel
TV OUT IN PUT
VIDEOAUDIO
POWER
DC 12V
RF IN
L
R
S-V C-V
Y Cb Cr
AUDIO
L
PC
AUDIO
AUDIO
IN
OUT
R
DISPLAY
D-SUB
OUT
IN
2
1
11
4 3 5 7 8 9 6
1. Power socket: 12V 800mA DC input.
2. RF-IN: Terrestrial VHF/UHF Antenna input or CATV coaxial cable input.
3. C-Video input: Composite video input.
4. S-Video input: S-Video input.
5. YCbCr input: connects to the YCbCr output of source device such
as DVD, Set - top - box....
6. PC-IN: 15-pin D-Sub PC VGA input.
7. Audio: Stereo audio input.
8. PC audio in: 3.5mm PC audio input.
9. Audio out: 3.5mm PC audio output.
10.VGA out: 15-pin D-Sub VGA output.
11. TV out: Video and streo audio out for TV/Cable input.
3
Installation
Power up the unit:
1. Plug the power jack into the power socket on the back of the unit,
the power LED will illuminate in red color(Standby mode).
2. Press the power button, power LED will turn into green light.(operation mode)
3. Press the power button again will return to standby mode.
4. When the unit first powered up the default input to the unit is TV(RF) input.
When you changed input source and later power down the unit the last input
source you selected will be memorized by the unit. When you re-power the
unit the memorized input will be recalled as input source.
OSD operation:
After power- on the unit. Press the Menu button will bring up the main menu
page to your screen as bellow:
Use buttons on the remote or button on top panel
to move hightlighted bar to your desired parameter.
press MENU / ENTER to enter into sub-menu, and use + - ,
to move to your desired selection. When a parameter is
selected, its color will be inverted.
Use channel pqto move up or down the high-light bar to your desired parameter.
Press MENU/ENTER to confirm your selection.
To adjust the setting value of your selected parameter, press " + " to increase
the value. Press " - " to decrease the value.
4
Installation
On the source Sub-menu, you can choose input from TV, CV, SV, YCbCr, and PC
pass through.
On the picture Sub-menu, you can adjust setting value of the follwing parameter.
Use channel up or down to select your desired adjustment parameter.
Brightness: Use volume +/- to increase or decrease brightness level.
The adjustment range is 1(least bright), to 100(most bright)
Contrast: Use volume +/- to increase or decrease contrast level.
The adjustment range is
1 (least contrast) to 100 (most contrast).
Color(1-100): Use volume +/- to increase or decrease color saturation level.
Tint(NTSC only): Use volume +/- to increase or decrease Tint level.
The adjustment range is -50 ~ +50.
Sharpness: Use volume +/- to increase or decrease the sharpness level.
The adjustment range is 1~16.
Reset: To recall the preset default value.
Exit: Return to previous Menu page.
5
Installation
On the sound Sub-menu, you can adjust the volume of
the audio out, or to "mute" audio out.
you can also select:
Mono: L+R on both left and right channel
Sap: Second Audio Program
Stereo: Audio output in stereo L/R
EXIT
6
Installation
On channel Sub-menu, Select TV for receiving Terrestrial VHF/UHF broadcasting
channel. Setect CATV if the unit is connect to a CATV coaxial cable.
Auto scan - the unit will search through all channels contained in the RF cable.
Once a channel is found it will be stored in the memory and can be recalled
later by pressing channel up or down button or by pressing channel number
directly.
Delete Channel :
To remove a channel from your channel up-down memory list.
Once a channel is deleted, it will be skipped from your channel
up/down selection.
The only way to recall the channel is to press its channel
number directly, or add it back to channel list.
ADD Channel :
To add a channel into your channel up-down memory list.
Once a channel is added to the list, it can be called up by
pressing channel up/down button.
Exit: Return to the last menu page.
P.S. Channel Delete and Add only work after channel search is carried out.
In Resolution Sub-menu, you can select output resolution from: 640 X 480, 800 X600,
or 1024 X 768.
7
Installation
On TV system Sub-menu, find out what aerial or CATV systems are available at
your premise and make sure your antenna/cable are connected to
the RF input of the
CMT345. The table below shows worldwide countries
and their respective TV/CATV systems. Select the correct System and
Type thatcorresponds to the country you are located.
Country System Type
Australia PAL AUS
Brazil NTSC US
Canada NTSC US
Chile NTSC US
China PAL D/K
Denmark PAL B/G
France SECAM L
Germany PAL B/G
Hong Kong PAL I
India PAL B/G
Italy PAL ITALY
Japan NTSC JAPAN
Korea (South) NTSC US
New Zealand PAL NZ
Philippines NTSC US
Portugal PAL B/G
Russia SECAM D/K
Saudi Arabia SECAM B/G
Singapore PAL B/G
South Africa PAL I
Spain PAL B/G
Sweden PAL B/G
Switzerland PAL B/G
Taiwan NTSC US
Thailand PAL B/G
United Kingdom
U.S.A NTSC US
PAL I
8
Installation
On "OTHER" Sub-menu, there are three panameters for adjustment,
PIP: To turn ON or OFF the PIP window on the screen.
Sleep: Set a pre-determined time for machine to automatically
turn off when timing is up.
Display: Set " ON " to display the input/output information on the screen.
Function
Selection
PIP OFF 1/4 1/9 1/16
Selep OFF 10, 20......120 minutes
Display ON OFF
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