Via Seating Oslo Series User manual

Oslo
user guide
205 Vista Boulevard, Sparks, Nevada 89434 lPhone: 800-443-6614 lviaseating.com
table of contents
9C/9CH control mechanism
12C control mechanism
10C/10CH control mechanism
13C control mechanism
67C control mechanism
67CSS with optional FT control mechanism
Oslo ratchet back adjustment
pg. 3
pg. 1
pg. 2
pg. 4
pg. 5
pg. 6
pg. 7
pg. 8
51A/53A adjustable height arm with 4-ways adjustable cap option

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Oslo
user guide
Additional Width Adjustment(Only
applies to 19AB):
Pull back on the “levers” under the
arms to unlock and extend the arms
outwards. Push forward on the levers
to lock.
To put them back to normal simply
just do the opposite.
Unlock (pull back on the lever) and
push the arms back in to place, and
lock the arms by pushing the lever
forward.
Arm height adjustment:
While lifting up on the
small “switch”, use your
hand grasping the arm
cap to raise and lower
the arm height.
51A/53A adjustable height arm with 4-ways adjustable cap option
Switch
(Lever)
Switch
(Lever)
Switch
(Lever)
Arm cap slide: Grasp
and slide “arm cap”
forward or backward,
sliding forward a max
of 2.5”.
Arm cap rotation: Grasp
and lift “arm cap” to turn
left or right, rotating a max
of 15° each way.

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Oslo
user guide
12C control mechanism
Left
knob
Seat height adjustment:
Adjust the seat height by
lifting your weight out of the
chair and pulling up on the
“paddle”. Proper seat height
is realized when the top
of your legs are somewhat
parallel to the oor.
Back/recline tension adjustment:
Rotate “knob” clockwise to
increase tilt tension. Rotate knob
counter clockwise to decrease tilt
tension.
Back lock adjustment (single
position): use the same “paddle”
as you use for the seat height
adjustment. To lock the chair in
an upright position, shift your
weight forward until the chair is
in an upright position, then push
lever in. To rock (free oat) shift
your weight forward and pull the
lever out.
push the paddle in
to lock the position
To rock (free oat) shift
your weight forward and
pull the lever out
Pull up
on paddle
Knob

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Oslo
user guide
13C control mechanism
Seat height adjustment:
adjust the seat height by
lifting your weight out of the
chair and pulling up on the
“paddle”. Proper seat height
is realized when the top
of your legs are somewhat
parallel to the oor.
Seat slider: Pull up on “paddle”
while shifting your weight forward
to move your seat forward or
backward to move your seat back.
Back lock adjustment (single
position): use the same “paddle”
as you use for the seat height
adjustment. To lock the chair in
an upright position, shift your
weight forward until the chair is
in an upright position, then push
lever in. To rock (free oat) shift
your weight forward and pull the
lever out.
Back/recline tension adjustment:
Rotate “knob” clockwise to
increase tilt tension. Rotate knob
counter clockwise to decrease tilt
tension.
Pull up
on paddle
Knob
push the paddle in
to lock the position
To rock (free oat) shift
your weight forward and
pull the lever out
Pull up
on paddle
Knob

Oslo
user guide
775 331 6001
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9C/9CH control mechanism
left
Knob
Right
knob
Right
knob
Back/recline tension adjustment:
Pull “knob” out and turn right to
tighten or left to loosen the back
tension.
Seat height adjustment:
adjust the seat height by
lifting your weight out of the
chair and pulling up on the
“paddle”. Proper seat height
is realized when the top
of your legs are somewhat
parallel to the oor. Back lock adjustment (5 position):
Tilt the seat back to desired angle
and twist the left “knob” a quarter
turn forward. To unlock, twist the
knob backward the other way,
leaning back to unlock.
Left
knob
Pull up
on paddle
Note: 9CH variation uses a heavy duty spring tension.

Oslo
user guide
775 331 6001
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10C/10CH control mechanism
Left
knob
Right
knob
Left
paddle
Seat height adjustment:
Adjust the seat height by
lifting your weight out of the
chair and pulling up on the
“paddle”. Proper seat height
is realized when the top
of your legs are somewhat
parallel to the oor.
Back/recline tension adjustment:
Pull right “knob” out and turn
right to tighten or left to loosen
the back tension.
Pull up
on paddle Pull up
on paddle
Note: 10CH variation uses a heavy duty spring tension.
Seat slider: Pull up on left
“paddle” while shifting your
weight forward to move your
seat forward or backward to
move your seat back.
Left
knob
Pull up
on left paddle
Back lock adjustment (5 position): Tilt
the seat back to desired angle and
twist the left “knob” a quarter turn
forward. To unlock, twist the knob
backward the other way, leaning back
to unlock.
Right
knob

Oslo
user guide
Right
knob
Left
knob
Seat height adjustment:
Adjust the seat height by
lifting your weight out of the
chair and pulling up on the
“paddle”. Proper seat height
is realized when the top
of your legs are somewhat
parallel to the oor.
Single rotation back tilt lock
adjustment (5 position): Tilt the
seat back to desired angle and
twist the “right knob” slightly.
To unlock, twist the other way,
leaning back to unlock. The turn
is smooth. All tilt lock angles
can be reached within a single
turn of the handle.
Back/recline tension adjustment:
Rotate knob right to increase tilt
tension. Rotate “left knob” left to
decrease tilt tension. Rotate within
a single rotation of the knob to
achieve any of the 7 distinct back
tension levels.
Pull up
on paddle
67C control mechanism
Pull up
on paddle
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Oslo
user guide
67CSS with optional FT control mechanism
Right
knob
Left
knob
Seat height adjustment:
Adjust the seat height by
lifting your weight out of the
chair and pulling up on the
“paddle”. Proper seat height
is realized when the top
of your legs are somewhat
parallel to the oor.
Seat slider: Pull up on “paddle”
while shifting your weight forward
to move your seat forward or
backward to move your seat back.
Single rotation back tilt lock
adjustment (5 position): Tilt the
seat back to desired angle and
twist the “right knob” slightly.
To unlock, twist the other way,
leaning back to unlock. The turn
is smooth. All tilt lock angles
can be reached within a single
turn of the handle.
Back/recline tension adjustment:
Rotate knob right to increase tilt
tension. Rotate “left knob” left to
decrease tilt tension. Rotate within
a single rotation of the knob to
achieve any of the 7 distinct back
tension levels.
Pull up
on paddle
Pull up
on paddle
Pull up
on paddle
Forward tilt adjustment (FT): Push the “paddle” in
the down position and lean back in the chair. You
will hear a click when the forward tilt mechanism
has turned on. Sit in your normal position to use
the forward tilt feature. To turn off the forward tilt
feature, lift the paddle in the up position and lean
back in the chair. You will hear a click when the
forward tilt mechanism has turned off.
Pull up
on paddle Pull up
on paddle
Pull up
on paddle

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Oslo
user guide
Oslo ratchet back adjustment
Ratchet back adjustment: The “ratchet
back” is adjustable up and down. To
adjust the back simply just pull up or
push down on the back to the desired
hight (as you adjust the back you will
here the ratchet sound letting you
know each lock point). To unlock the
position pull the back up to its highest
point and then your able to push it
back down so it can be readjusted.
Ratchet back