Sim2 Multimedia Ht250 Projector User Manual

HT 200/250
3
ENGLISH
GENERAL INDEX
1 WARNINGS ........................................................................................................................ 4
2 PACKAGING AND CONTENTS ........................................................................................... 5
3 INTRODUCTION ...................................................................................................................5
4 SAFETY WARNINGS...

HT 200/250
4
 1 WARNINGS
!
CAUTION
RISK OF ELECTRIC SHOCK!
DO NOT REMOVE THE TOP COVER
ATTENTION: Prior to switching on the projector please read each chapter of this manual carefully as
this manual provides basic instructions for using the projector.
The installation of the lamp assembly, preliminary adjustments and procedures that necessitate the
removal of the top cover, must be carried out by authorised, trained technicians. There are no user
serviceable parts inside. To ensure safe and long term...

HT 200/250
5
ENGLISH
Fig. 2
The realistic colour and sharpness of detail has been
obtained by a sophisticated and proprietary optical system
designed exclusively by 
 Multimedia.
The low-noise ventilation system – with variable speed fans –
ensures appropriate cooling and maximizes projector reliability.
To fully appreciate your new 
 HT projector we
recommend the use of a good quality screen and
surround-sound system.  Contact your nearest authorized
 Multimedia dealer for further details.
.
Fig. 3
3...

HT 200/250
6
4 SAFETY WARNINGS
Please follow carefully the warnings listed below, to ensure
safe and long term performance of your projector.
Fig. 7
Only replace the safety fuse (on the power socket at the
rear of projector) with a fuse identical in type and
characteristics (T 3.15A H) 
(Fig. 8).
250 V
T 3.15A H
123
4
Fig. 8
Do not switch on your projector when flammable liquids
or fumes are present. Do not pour or drop fluids in the
vents 
(Fig. 9).
Fig. 9
Do not use the projector when the room...

HT 200/250
7
ENGLISH
Do not obstruct the cooling air inlets on the top cover, or
the air outlets underneath the projector 
(Fig 11).


CAUTION: Do not switch on the projector if it
is standing on soft surfaces such as cushions,
pillows, blankets, mattresses and carpets: the
air cooling outlets underneath, could become
obstructed
.
Fig. 12
Take care not to shake the projector whilst carrying it by
the handle 
(Fig 15).
Fig. 15
Always position the projector on a stable, suitable surface,
away from direct...

HT 200/250
8
 .
131211
10
9
162120
15
14
18
1917
Fig. 20
1 Lens.
2 Lens height adjustment handle.
3 Cooling air inlet vents.
4 Remote control infrared sensor.
5 Cooling air outlet vents.
6 Adjustable carry-handle.
7 Adjustable levelling feet.
8 Ceiling/wall bracket fixing holes.
9 Fused power socket.
10 Power switch.
11 Remote control’s rear infrared receiver.
12 Green “ON” light.
13 Red “STAND-BY” light.
14 Rear keyboard pad.
15 Composite video input.
16 S-Video input.
17 VGA input.
18 RGB input / YCrCb...

HT 200/250
9
ENGLISH
 7 PROJECTION DISTANCES
Follow the table below to determine the optimal projection distance (between the screen and the center of the lens).
This will help you to obtain the desired screen size 
(Fig. 22A-22B).
Screen
size Screen Screen
(diagonal) width min max width min max
in. m in. m ft. m ft. m in. m ft. m ft.Projection distanceProjection distance4/3 16/9
Fig. 22A
4/3 16/9
Fig. 22B
50 1.0 40 2.3 7’8” 3.2 10’6”1.1 44 2.6 8’4”3.5 11’6”
60 1.2 48 2.8 9’2”3.9 12’8”1.3 52 3.1 10’1”4.2...

HT 200/250
10
Screen size (inch)
Projection distance m (ft.)
40 6080
100
120 140 160 180
16/9 MIN. ZOOM
4/3 MIN. ZOOM
16/9 MAX. ZOOM
4/3 MAX. ZOOM
200
2 (6’7) 3 (9’10) 4 (13’2) 5 (16’5)6 (19’8)7 (23’) 8 (26’3) 9 (29’6) 10 (32’10)11 (36’1) 12 (39’4) 13 (42’8)
Screen size (inch)
Projection distance m (ft.)
40 6080
100
120 140 160 180
16/9 MIN. ZOOM
4/3 MIN. ZOOM
16/9 MAX. ZOOM
4/3 MAX. ZOOM
200
2 (6’7) 3 (9’10) 4 (13’2) 5 (16’5) 6 (19’8) 7 (23’) 8 (26’3) 9 (29’6) 10 (32’10) 11 (36’1) 12 (39’4) 13 (42’8)...

HT 200/250
11
ENGLISH
KEYSTONE
20%
Fig. 25
The Orientation adjustment in the Set up menu will allow
the projector to be used for desktop front, ceiling front,
desktop rear and ceiling rear installations 
(Fig. 26).
Fig. 26
To activate an electric motorised screen a 12 Volt output
is provided at the rear of the projector or with the optional
Remote Input Interface.  This can be connected to a screen
interface unit, which can be supplied by screen
manufacturers 
(Fig. 27).
Fig. 27
The output is activated...

HT 200/250
12
Fig. 28
Some manufacturers offer screen-masking systems to
help frame the projected image and improve picture
contrast.  This can be controlled by the second 12V output
on the projector 
(Fig. 28).
The screen-masking interface can be connected to output
,  at the rear of the projector, or on the optional Remo-
te Input Interface.
- Rear projection: the screen must be translucent.
- Front projection: preferably, use a screen with black,
non-reflecting borders, which will perfectly frame the...