FSR ML-116 - Manual (Page 23)

FSR
ML-116 INSTALLATION DATA
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DIP SWITCH / JUMPER SETTINGS
ACU Audio Control Unit, CPU Module
The CPU Module contains sixteen (16) dip switches which will allow users to customize the system to
a large degree. These switches in addition to two jumpers on each room audio (RA) module, allow the
user to select such options as simultaneous microphone and music operation, key switch interlock
functions, ramp speed, etc. The definition of the switches are as follows:
Dip switch Factory Setting Explanation
1 open Memory Volume
2 open Preset Volume
3 open Reserved
4 open Enable Mode
5 open [Wall Plate
6 open Interlock Mode]
7 open Reserved
8 closed Cold Start Select
9 open Select multiple Systems
10 open Select multiple Systems
11 open Select multiple Systems
12 open Select multiple Systems
13 open Reserved
14 open If Monitor Panel Present
15 open If FMP present
16 open If Map Panel Present
Dip switch 1 - Initial Volume Memory Option - closed the volume is determined by the dipswitch
2 setting, if open the volume is restored to level that was last set.
Dip switch 2 - Preset Volume - Setting determines the power up default volume level, if closed
the volume initializes to -12 db, if open it initializes to 0 db.
Dip switch 3 - Reserved
Dip switch 4 - This dip switch allows simultaneous operation of voice and music. If the dip
switch is open then the system is in normal mode, the voice and music are exclusive. This is com-
monly referred to as the pre-enable mode. If the dip switch is closed, both voice and music can be
operated at the same time (simultaneous mode). The system is shipped with this dip switch in the
open position.