Maspro UTB30HK User manual

MASter of PROduction
1
UHF BOOSTER for Home Use
Read this Instruction Manual carefully before use.
MASPRO's latest super low noise UHF booster
has 2-way distribution circuit so that two TV sets
can be connected.
Amplification
Channels
European Standard ch.21-69
American Standard ch.14-83
Chinese Standard ch.13-59
UTB30HK
INSTRUCTION MANUAL
UHF RECEPTION AND
VIDEO RECORDING
Safety Precautions
VHF/FM pass
●
Use only 220V AC power supply. Using the
Booster with a different voltage power supply
could cause fire or electrical shock.
●
Do not put the Booster in a poorly ventilated
place. The Booster will overheat and may
cause fire. Do not use in the following ways:
·Pushing the Booster into a poorly ventilated
place such as closet, bookcase or just under
a ceiling.
·Covering with a table cloth. Placing on a
carpet or bedding.
·Covering or wrapping with a cloth or bedding.
●
When you hear thunder, do not touch any
lead-in cable from the TV antenna. It may
cause electrical shock.
●
Never let water come into contact with the
Booster. Do not use them in the bathroom.
Do not put medicine or fluid matter on them.
If liquid material gets into them, they will
cause fire or electrical shock. Do not let your
pets climb on them. If their urine or droppings
get into them, they will also cause fire or
electrical shock.
●
Do not plug or unplug the Booster when your
hand is wet. It may cause electrical shock.
●
Set the AC plug at the place where you can
easily unplig it.
●
When the Booster is not in use for a long
time, be sure to unplug the Booster from the
wall outlet for safety. Not doing so may
cause fire.
30dB TYPE
F-type Connector
Indoor Use
Specifications
Accessories
E : European Standard
A : American Standard
(AC cord length: 1.6m)
C : Chinese Standard
Items
Reception Channels
Gain
Gain Control Range
Insertion Loss
Operating Input Level
Maximum Output Level
Cross Modulation
Noise Figure
VSWR
Input/Output Impedance
Temperature Range
Power Requirements
Power Rating
Dimensions
Weight
46dB or less
22 – 32dB
0 – 10dB
95dB V
Specification
VHF/FM
E ch.2 – 12
A ch.2 – 13
C ch.1 – 12
3 – 6dB
36 – 63dB V
(73dB V at the minimum gain)
1.1 – 3
75 (F-type connector)
0 – 40 
220V AC／50Hz
1.6W
39(H) x 152(W)x 122(D)mm
Approx. 520 g
You can always rely on MASPRO’s performance data.
Wood screw
(for wall mounting) ......2 pcs.
UHF
E ch.21 – 58
A ch.14 – 63
C ch.13 – 45
E ch.59 – 69
A ch.64 – 83
C ch.46 – 59
3dB 3.8dB

2
Point to be checked on F-type Connector
Output Selector
Example
A bent center conductor may cause short circuit and malfunction.
Center conductor
Center conductor
220V AC Out 2 Out 1 In
Braided wires
Plug
Center conductor
2mm Remove every debris, such as chips of the braided
wires, in the connector shell. Even a piece of braid
debris can cause short circuit when it touches the center
conductor, then no picture appears on the TV screen.
●
Use F-type connectors to join the lead-in cable and the booster.
●
To prevent incomplete contact or short circuit, install the plug with care.
●
Use F-type connectors properly-fitted to the cable provided.
If the center conductor is too long, the
terminal part of the F-type connector at
the unit side will be damaged and
cause malfunction.
DEC., 2011
2K56-524 KW(B)·112-5524-2T
MASter of PROduction
Booster Unit Installation Gauge (Actual Size)
Horizontal : 72mm
Vertical : 56mm
Wood screw
The booster unit is usually placed around the TV set,
but can be also installed on a wooden wall.
How to install on a wooden wall
(Accessories)
Wood screw
(Accessories)
1 & 2
Out 1
TV 1 & 2
11
Out 1 Out 2
TV TV
1 Output
Rear View
2 Outputs
Wall outlet
VHF/UHF
Powerindicator
Gaincontrolknob
VHF/
UHF
VHF/
UHF
TV
TV
Video recorder
E-MAIL : [email protected]
PHONE : [phone]
FAX : [phone]
WEB SITE : www.maspro.net
Attention to short circuit due to braided wires
Specification and design are subject to change due to
upgrades in product quality.
(F-type connectors not included)
Horizontal
Vertical
Wood screw
Wooden wall
(Accessories)
8mm
Gain
power
If wiper phenomenon (vertical bars wiping back
and forth across the screen) occurs, turn the
appropriate gain control knob counterclockwise
until it disappears.
Maximum booster gain is reached when the
knob is turned fully clockwise.
Gain Control Knob
Make sure of the length, 2mm
Straighten the center conductor
When used near an AM radio, the booster may generate noise
in the radio. Use the unit as far apart from the radio as possible.
Attention