Figure 10: Installing M10 Bolts to side locations on CS128MH
6. Carefully lift the CS128MH, and then insert into the mounting yoke such that the M10 bolts (inserted in
step 5) seat into the left and right cradles located at the top of the yoke attached to the CS128LF.
7. Install and tighten the two M5 set screws and washers supplied with the CS128MH mounting hardware
bag into the two side mounting locations on the CS128MH cabinet.
Caution: Always be careful when moving the CS128LF or the assembled Dolby Speaker System
128, and employ at least two people when attempting any relocation of the loudspeakers, as there
is danger of tipping if the system is not secured to the building structure.
3.3 Aiming the Dolby Speaker System 128
Use the information provided in this section to aim the Dolby Speaker System 128 for precise sound
distribution.
About this task
The following tools are needed to secure the Dolby CS128LF:
• 6 mm hex driver or wrench
• 3mm hex driver or wrench
Note: If a laser pointer will be used for aiming, the laser pointer must be provided by the installer.
Procedure
1. After assembling the Dolby Speaker System 128, adjust the speaker horizontal axis by rotating the
CS128MH on the cabinet.
The angle adjustment range is +/- 20 degrees from the center, as shown on the provided decal stickers.
Assembling the Dolby Speaker System 128
Dolby Speaker System 128 Owner's Manual
18
8800293 Issue 2
27 October 2021
