jotron MPA 1600, Руководство пользователя и инструкция по установке, Страница: 46 / 62

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User and Installation Manual
Compact MPA
8.4.2 MPA 1601/1643 TALK UNITS
The 1643 unit is an EX variant of the MPA 1601 talk unit, and the procedure to test this unit is identical to the 1601.
8.4.2.1 NORMAL PAGING
Paging may be performed in any combination of the six zones. Zones are selected by the MPA 1601 zone-keys, and
activated by the PA-key. These zones are not reset automatically after the message. Default zone selection for the PA
function is “All ex Cabins (Zone 1)”
The PA-key must be continuously pressed during messages.
Check that each message is preceded by
a chime attention signal (Ding-dong)
Pass/Fail
Pass/Fail
8.4.2.2 EMERGENCY PAGING
Emergency paging is activated by keeping the EM-PA-key pressed down continuously for more
than a second.
The EM-PA-key will automatically select all zones and turn their LEDs green.
Check that each message is preceded by
a chime attention signal (Dooiing)
Pass/Fail
Pass/Fail
8.4.2.3 INDICATORS
System status for A and B system is indicated on the user panel. When configured as a single
system, the system B led is not used.
A green led indicates a healthy system.
A red led means there is a system failure.
Backlight and LED’s are dimmed synchronously.
The intensity is adjusted in five steps, from low to high, by pushing the MPA 1601 DIM-key.
The DIM key will also dim the MPA 1603 alarm panel connected to the same user interface bus.
At the current active user-panel, the active zones are indicated by a green LED.
For all other users active zones are indicated with a red LED.
Pass/Fail
Pass/Fail
Pass/Fail