Crown 280MA User manual
Your Crown® CCA product has one or two output volume controls with knobs. To keep people from changing their settings, you can replace the
knobs with the included Security Knobs, which cannot be rotated.
1. Pull off the existing output volume-control knob(s) (Figure 1).
2. Using a nut wrench, remove the nut from each output volume control. The nut size is either 10 or 11 mm, hexagonal.
3. If you want the Knobs to be permanent, add a drop of Loctite®Super Glue (or equivalent cyanacrylic adhesive) to the Knob threads (Figure 2).
4. Screw the Security Knob (Figure 2) onto the shaft of each output volume control.
To order more Security Knobs, call Brenda Price at Crown (574-294-8210) and ask for part no. 139916-1.
Figure 1. Location of Output Volume-Control Knobs Figure 2. Security Knob
Crown International
1718 W. Mishawaka Rd.
Elkhart, IN 46517-9439
www.crownaudio.com 140106-1 2-07
OUTPUT VOLUME-CONTROL KNOBS (example)
SECURITY
KNOB
THREADS
Installation Guide
Crown Commercial Amplifier Series
Security Knob
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