27
7.
APPENDIX
7.1.
Primary AC voltage selection
Primary section of the HV transformer is switchable for three values of AC voltage (220, 230, 240V).
Factory settings is 230V AC. Before first starting the PA we recommend checking that the correct value is
selected according to the AC voltage in your network.
Side view on the opened
HV Transformer
AC Selector
Remove the upper lid first. On the right side of the PA, there are two PCBs mounted. On the right upper
side is Switch ON board where AC selector is located.
Use flat screwdriver or finger and press carefully
the white stick to release contact and move
upper end of the white jumper to the proper
position, if necessary
.
Jumper must be connected between bottom contact
and one of remaining contacts. AC voltage is marked
next to every contact.
Type of supported TCVR and working
frequency are visible on the display.
AUTO LED is ON.