Inter-M DPA-4300M - Manual (Page 8)

MULTI CHANNEL POWER AMPLIFIER
6 DPA-4300M
5. PRI VOLUME SELECTION SWITCH (CHECK IP)
- DPA-4300M supports two inputs; normal (PGM) and emergency (PRI). If volume up or down switch is
pushed while PRI switch is pushed, PRI volume can be adjusted. Volume value will be displayed on LCD.
- If PRI switch is pushed for 5 seconds, current IP value can be checked. It will be restored if PRI switch is
pushed again or after certain times.
- PRI input will be available if PRI SEL of rear side is on.
※ HPF will be set to 400Hz when inputting the PRI.
6. TEST SWITCH
It is the switch which can test the protection of module. Protection circuit will be operated while pushing it
and speaker output will be off.
7. VENT
It is the ventilation air path to cool the inside temperature. Caution: Not to block the vent. Clean regularly.
※ Install the blank panel in the unused channel because failure due to foreign substance may occur.
DPA-4300M_E_DPA-430H_E 14. 1. 3. 오후 1:43 페이지 9