Osmond Ergonomics RH LOGIC 3 User manual

RH LOGIC 3 & 4 - INSTRUCTIONS
1.
SEAT HEIGHT
2. BACK ANGLE
3. FROAT FLOAT ACTIVATION
Lift the front lever on the right-hand
side and take your weight off the
seat to raise the height. Remain
seated to lower the height. Release
the lever to lock the seat height.
Lift the back lever on the right-hand
side and take your weight off the
back to bring it forward. Lean back
to move it backwards. Release the
lever to lock the back angle.
Rotate the middle lever on the right-
hand side anti-clockwise to activate
the seat rock. Rotate the lever
clockwise to lock the seat in any
position.
4. FREE FLOAT TENSION
5. BACK HEIGHT
6. LUMBAR PUMP (IF FITTED)
Twist the knob on the underside of the
chair while in seat rock mode to adjust
the tension of the rocking motion.
Clockwise increases the tension,
anti-clockwise reduces the tension.
Lift the lever on the back to release
the back height lock, and raise or
lower the back. Push the lever down to
lock the back height.
Squeeze the bulb repeatedly to inflate
the lumbar support. Press the button
on the bulb to deflate the lumbar
support.

7. SEAT DEPTH
Push in the button on the left-hand
side and slide the seat backward or
forward. Release the button to lock
the seat depth.
8. ARM REST (IF FITTED) HEIGHT
Push in and hold the button on the
arm post to release the arm height
lock. Raise or lower the arm. Release
the button to lock the arm height.
Repeat for the other arm.
9a. ARM TYPE A (IF FITTED)
DEPTH
Push in the button on the inside of
the arm-top and slide the arm-top
forward or backward. Release the
button to lock the arm rest depth.
Repeat for the other arm.
9b. ARM TYPE B (IF FITTED) DEPTH
Rotate the arm until it locks at the
desired position. Repeat for the other
arm.
10. ARM REST WIDTH
Rotate the lever at the base of the
arm to loosen the arm width lock.
Slide the whole arm in or out. Rotate
the lever back again to lock the arm.
Repeat for the other arm.
11. HEAD/NECK REST (IF FITTED)
Pull the head/neck-rest post up to
raise the height or push it down to
lower the height. Rotate the cushion
up or down for varying support.

11. HEAD/NECK REST (RH/4
ONLY – IF FITTED)
Adjust the head/neck-rest height
tension if the headrest slips or is
difficult to move up or down.
To do this, remove the circular black
cap in the middle upper section of the
chair back to expose the bolt. An
Allen key is clipped to the plastic
housing under the front of the chair,
use this to tighten or loosen the bolt
as required.