Panasonic VA-123210 Installation And Programming Manual page 20

Make connections of the external music on hold ( OH) source and of the external paging system according to the following
procedure.
(I) Set the "MOH" switch inside the key
service unit to the "EXT" side.
(2) Connect from earphone or aux. out
jack to RCA "Mot-(" jack inside the
key service unit.
Do not connect directly to speaker
edanee 5
I&, level max. -10 dB)
(I
) Connect an external amplifier to the
"EPA-OUT" jack and to the "EPA-C"
terminals inside the key service unit.
The "EPA-C" terminals are to control
turning ON/OFF of the external
amplifier power.
Use RCA-type jack (output imped-
ance: 600 Q, level: 0 dB) for the
connection to the "EPA-OUT" jack.
(2) Connect the external paging speaker
to the amplifier.
The functions of "EPA VOLs 1 and 2'
located inside the key service unit are
as follows.
EPA VOLI :
_ This volume is to control the level
of the music output applied from the
external sound source to EPA jack.
EPA VOL2:
This volume is to control the level of
the voice output applied from the TEL
to paged TEL, and EPA jack output.
,
EPA-VOL I volume
Radio
Speaker