MACRO range installation manual. Issue 6
Auxiliary inputs and music modules i.e. L33, L34, E24, E25, Standard Locking 5 pin DIN -
Pin 1 | Signal input | |
Pin 2 | Signal earth (cable audio shield) | |
Pin 3 | Signal input | |
Pin 4 | Priority control (except E24, E25, T35) | |
Pin 5 | ||
|
Tone generator modules i.e. T24 to T34 inclusive Standard Locking 5 pin DIN -
Pin 1 No connection
Pin 2 No connection
Pin 3 No connection
5 PIN DIN
STANDARD
CONNECTOR
SOLDER CUPS
VIEWED FROM
INSIDE THE PLUG
Pin 4 Priority control & tone trigger Pin 5
Fig. 2
BODY
Input connector pin identification
Locking 5 pin DIN connector plugs are not furnished automatically with the unit, and must be ordered as a separate item. Module adjustments
Various adjustments are available on each module, dependent on type and function, etc and are shown in table 2. The general locations are shown in APPENDIX E.
PRIORITY INPUT FACILITIES
Each MACRO amplifier (with input module facilities) can be programmed to provide up to 8 levels of signal priority which may be arranged in a descending order access (sometimes referred to as ëladder priorityí), or an equal access
Equal access is a form of priority whereby the first to access the priority chain locks out one (or more) other inputs for the duration. As supplied from the factory, the amplifier will exhibit a ladder sequence downwards from input No.1 as first priority. Equal access between any modules must be between physically adjacent modules, and is instigated by depressing the small blue PCB switch button which is located between the module input sockets on the main mother PCB. See Fig. 3. Later units utilise a DIL or Molex type switch, which should be set to ëONí. There are 7 such switches, and any number may be depressed at any time to give the required priority arrangement.
MACRO systems may be designed to include music or other
In all cases, the priority functions of priority modules are triggered by bridging pins 4 and 5 of the DIN channel input socket. The switching current is in the order of 2mA @ 15V. On successful access to the signal priority chain, the module circuitry will perform certain functions:
a)Modules of equal or lower priority will be inhibited, whether of priority or passive format.
b)The audio signal path of the accessed module will be enabled
c)The channel current sink (250mA max) will be enabled
d)The ëany channelí current sink will be enabled (250mA max)
e)The modules in immediately higher priority will be inhibited if the equal access PCB switches have been set
f)The tone sequence of a tone generator module will be started either via the module timer circuit, or momentarily for the duration of the trigger
g)The chime sequence of a
Should a module which is currently in an accessed mode be inhibited by the triggering of a higher priority module, all the above functions (a) to g) where appropriate) will be lost immediately, for the duration. However the timer function will still be operative and may
Voice operated modules attempt to gain access by triggering on amplitude peaks and the resulting functions are consistent with a) to e) above.
The audio paths of lower priority passive modules will be inhibited for the duration.
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