DU-AG-0021-25 Rev C 1/09/07 GCX Corp. Page 5 of 7
Cable Guides (2)
Cable Management
Two (2) Molded Cable Guides are provided to facilitate routing of cables along the
underside of the arm. Squeeze the Cable Guide until its edges snap into the
grooves in the bottom surface of the arm. Leave extra cable loose at the front and
rear of the arm to prevent cable binding or damage to connectors.
Installing the 16'' Wall Channel Cover
Install the Wall Channel Cover in accordance with the
Channel Cover Installation Guide (DU-UT-0001-20).
VHM Arm Operation & Adjustment
Swiveling the Mounted Instrument and Adjusting Swivel Tension
1. To swivel mounted instrument, simply push or pull instrument.
2. To adjust swivel tension, tighten or loosen the Swivel Tension
Nut using the 1/2'' [13 mm] socket wrench provided.
Installation Note:
It may be necessary to remove an existing
down post from the swivel cup to gain access to the Swivel
Tension Nut.
Tilting the Mounted Instrument and Adjusting Tilt Tension
1. To tilt the instrument, grasp the top and bottom of the instrument and tilt it to
the desired angle.
2. To adjust tilt tension, equally tighten or loosen the two (2) Tilt Tension screws
using the 5/32'' hex wrench provided.
Pivoting the Arm and Adjusting Pivot Tension
1. To pivot Arm at Channel, simply push on side of Arm.
2. To adjust pivot tension, remove top and bottom plastic
bolt caps from Pivot Bolt. Using the 1/2" [13mm] socket wrench
provided and a 1/2'' [13mm] box or open-end wrench, tighten or
loosen Pivot Bolt and Hex Nut to desired tension. Reinstall bolt
caps back over each end of Pivot Bolt.
1/2" [13 mm] Socket Wrench
1/2" [13 mm] Box-end Wrench
Tilt Tension Screws (2)
Swivel Tension Nut