Roberts RT100 Manuale utente

Please read this manual before use
Turntable with USB connection
and built-in preamplier
RT100

RT100 turntable features.....................................................2
Unpacking the turntable.......................................................3
Assembling the turntable (part 1) ........................................4
Setting the tracking force................................................. 5-6
Assembling the turntable (part 2) ........................................7
Mains adaptor.................................................................. 8-9
Connecting the turntable ............................................... 9-10
Playing a record............................................................11-12
Frequently asked questions......................................... 13-14
Recording using a computer........................................ 15-16
General..............................................................................17
Safety instructions .............................................................17
Specications ....................................................................18
Cartridge and stylus...........................................................18
Guarantee.............................................................Back page
Contents
1

2
RT100 turntable features
1. Counterweight
This is used to set the tracking force.
2. Anti-skating control
This is used to set the anti-skating force.
3. Cueing lever
Use this lever to lower and raise the tone-arm.
4. Tone-arm rest and securing clip
This holds the tone-arm in place when not in use.
5. Head-shell
This holds the cartridge and stylus.
6. 33 / 45 r.p.m. speed switch
Selects the speed for the record to be played.
7. Platter and rubber mat
Place the record here for playing.
8. Phono sockets (right and left)
Audiooutputtoanamplier.
Red = Right channel; White = Left channel.
9. Pre-Amp On/Off Switch
Controlsuseofthebuilt-inphonopreamplier.
If connected to a Line or Aux input set this switch to On.
10. USB port
Connect to a computer for making recordings.
11. Auto Stop On/Off switch
Controls the use of the automatic switch off.
12. DC input socket
13. Power On/Off switch
1
2
3
4
5
6
7
1312111098

Unpacking the turntable
1. Clear a work area, such as a dining table, in which to unpack the turntable.
2. Ensure the packaging is the right-way up.
3. Open the packaging carefully.
4. Lift out each item, identify it, and carefully place to one side.
• Top cover
• Base unit with tone-arm
• Turntable platter with belt
• Rubber mat
• Head-shell with cartridge
• Counterweight for the tone-arm
• Hinges x 2
• Cables x 3, comprising
USB cable (type-A – type-B)
Stereo phono plugs – Stereo phono plugs
Stereo phono sockets – 3.5mm stereo plug
• Mains power adaptor with EU and UK pin options
5. We recommend that all packaging is kept to allow the turntable to be safely transported in the future.
3

4
Assembling the turntable (part 1)
1. Unwrap the base unit, taking care not to put pressure on the tone-arm
or the cueing lever.
2. Do not assemble the platter onto the base just yet. There is
less chance of damage to the cartridge and stylus if the tone-arm is
assembledandbalancedrst.
3. Ensure that the tone-arm is locked on its rest with the securing clip.
4. Take the head-shell and identify the locating pin on the head-shell
connector. Do not remove the stylus cover at this time.
5. Align the locating pin on the head-shell connector with the slot in the
socket at the end of the tone-arm.
6. Gently push the head-shell into the tone-arm, at the same time rotate
the locking ring at the end of the tone-arm to pull the two parts together.
Note that the locking ring rotates anti-clockwise when viewed from the
front.
7. Tighten the locking ring gently by hand. Do not apply force or use any
tools.
8. Slide the counterweight on to the tone-arm, rotating it clockwise when
viewed from the rear until it engages and some slight resistance is
felt.
Note that the scale on the counterweight rotates freely. The
counterweight itself must be rotated in order to engage correctly with
the tone-arm.
Tone-arm
securing clip
Counterweight
Tone-arm
Head-shell Locating pin Tone-arm
Locking ring
Stylus cover
Stylus

5
Setting the tracking force
1. Set the anti-skating control to zero.
2. Raise the cueing lever.
3. Unclip the tone-arm from its securing clip so that it can move freely.
4. Take the head-shell and observe that it is currently unbalanced. At
this point the head-shell should drift upwards.
5. Rotate the counterweight so that it moves further onto the tone-arm.
6. Keep checking the balance by lowering the cueing lever to see whether
the tone-arm falls, rises or remains level. Take care when lowering the
tone-arm that the stylus does not come into contact with the turntable
base.
You should ignore the scale on the front of the counterweight at this
time.
7. Adjust the counterweight further by rotating the counterweight so that
it moves in or out until the tone-arm is balanced and remains level
when the cueing lever is lowered.
8. Carefully remove the stylus cover and adjust the counterweight again
until the tone-arm is balanced.
When removing the stylus cover, take care not to touch the stylus.
When balancing the tone-arm it is important to ensure that the stylus
never contacts the turntable platter, mat or turntable base.
Damage caused to the stylus by mishandling is not covered by the
guarantee.
Counterweight
Balance the tone-arm Cueing lever (to raise or
lower the tone-arm)
Removing the stylus cover
Setting the anti-skating control to zero

6
Setting the tracking force cont.
9. When you have balanced the tone-arm, place it so that it is again secured
on its rest using the securing clip.
10. Carefully replace the stylus cover.
11. Keeping the counterweight in place, rotate the scale on the front of the
counterweight so that it reads zero.
12. We recommend that a tracking force of 3.0 grams is used for the supplied
cartridge. The tracking force should not exceed 4.0 grams.
The counterweight adjusts the tracking force by 3.0 grams for one complete
revolution. Therefore the scale on the counterweight will read zero when
the tone-arm is balanced and also when the tracking force is set to 3.0
grams.
13. Rotate the counterweight and scale together (clockwise, viewed from the
rear) so that the counterweight moves further towards the tone-arm pivot
and so that the scale then reads the desired tracking force.
Please see the photos to the right showing the counterweight setting
whenrstbalancedandthenaftersettingthetrackingforce.Notethatthe
counterweight is closer to the tone-arm pivot after setting the tracking force.
14. Adjust the anti-skating control next to the tone-arm pivot so that it also reads
3.0 grams. Note that this adjustment should normally be set to match the
chosen tracking force.
Note:Incorrecttrackingforcecanhaveasignicanteffecton the quality of
audio when playing records. If the tracking force is set too low or too high then
excessive wear to the stylus or damage to the surface of the record may be
caused.
Anti-skating control set to 3.0 grams
Scale set to zero after balancing the tone-arm
Scale reads zero after setting to 3.0 grams

7
Assembling the turntable (part 2)
1. Unpack the platter and identify the drive belt.
2. Place the platter on the spindle. Use one of the holes in the platter to
access the drive belt and place it over the pulley of the drive motor.
3. Slowly rotate the platter by hand to ensure that it moves freely and
that the belt is not twisted.
4. Place the rubber mat on the platter.
5. Fit the two hinges onto the top cover. Note that the hinges are sprung
and will tend to spring away from the cover.
6. Locate the other end of the hinges in the two sockets at the rear of
the turntable base.
7. Lower the cover into place over the platter and tone-arm.
Drive
belt
Underside of
the platter
Drive belt
Platter
Access hole
in the platter
Hinges
Cover
Hinges
Sockets
Cover
Motor pulley

8
Mains adaptor
1. Assemble either the UK or EU pins onto the mains power adaptor
to suit the mains sockets installed at your location.
2. Note that the rounded end of the pins section needs to engage
with the adaptor before the rectangular end.
3. It is important to check that the pins are fully secured to the
adaptor before it is used.
4. Plug the DC lead from the mains adaptor into the DC input socket
on the back of the turntable.
5. Plug the adaptor into a suitable mains socket.
The AC adaptor should be disconnected from the mains supply and
from the turntable when not in use.
IMPORTANT: The mains adaptor is used as the means of connecting
the product to the mains supply. The mains socket and any multi-way
mains block used for the product must remain accessible during
normal use. In order to disconnect the product from the mains, the
mains adaptor should be removed from the mains socket completely.
Use only the mains adaptor provided with the product, or a genuine
replacement provided by Roberts Radio. The use of alternative
adaptors will invalidate the guarantee.
6. Switch on at the mains socket and then switch on using the
Power On/Off switch next to the DC input socket.
33 RPM
SPEED
45 RPM
AUDIO
OUTPUT
PRE AMP
OFF ON USB
AUTO STOP
OFF ON
POWER
ON OFF
12V 0.5A
DC input socket Power On / Off switch
UK pinsEU pins
AC adaptor assembled
with UK pins

9
Mains adaptor cont.
7. Release the tone-arm securing clip.
8. Raise the cueing lever fully to raise the tone-arm.
9. Move the tone-arm towards the platter.
10. Observe that the platter rotates, and that its speed changes according to the speed switch setting.
11. Return the tone-arm to its rest and secure it.
12. Observe that the platter stops rotating.
Connecting the turntable
Theturntablecannotplaymusicwithoutbeingconnectedtoadeviceprovidingamplicationandoneormore
loudspeakers.Thisdevicemaybeahi-system,aradioorsoundsystem,asoundbar,amulti-roomspeaker,
or just about any audio device with a spare auxiliary input.
Many Roberts products are compatible with the turntable. These include the Revival RD60 radio, the Blutune
200 sound system, and the Stream 93i internet radio. The turntable can also be connected to all Roberts R-Line
multi-roomproductssuchastheSB1soundbarortheRS1streamerwhichallowsconnectiontoahi-system
and to multi-room components at the same time.
1. Ifyouareconnectingtheturntabletoahi-amplierorreceiverwithabuilt-inphonopreamplieryoushould
set the Pre-amp switch on the back of the turntable to Off. In all other cases you should set the Pre-amp
switch on the back of the turntable to On (as shown).
2. Using the supplied audio cables, connect two phono sockets on the back of the turntable to the Auxiliary
input, Line input or Phono input on the chosen amplifying device.
PRE AMP
OFF ON
PRE AMP
OFF ON
Indice
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