Panasonic 2WAY Multi Technical & Service Manual page 123

S010 (Terminal resistor On/Off switch)
● This switch is used for matching on communication lines.
● When only one outdoor unit is connected to a single communication line, confi rm that the setting is on the
"SHORT" side.
● The factory setting is "SHORT"
● When more than one outdoor unit is connected to a single communication line, always set one unit to the
"SHORT" side and the rest of the outdoor units to the "OPEN" side.
Caution:
Setting the terminal resistor switch for multiple outdoor units to the "SHORT" side can cause
communication fl aws.
The 7-segment LED
● This LED indicates the operating status of indoor and outdoor units, changes in set values and various other
displays using switches S004 to S007.
● The 7-segment LED has 6 digits.
Indoor/Outdoor communications LED (D043)
● The communications monitor LED for use between outdoor and indoor units.
V–4