Toshiba Strata VI Installation Instructions Manual page 23

SECTION 100-006-200
INSTALLATION INSTRUCTIONS
DECEMBER 1982
than the MTOU amplifier can deliver, a
customer-provided external amplifier
may be connected to the 8/600 ter-
minals on the MTOU. The external
speaker(s) should then be connected to
the external amplifier.
11.52
Determine which output impe-
dance is most suitable for the amplifier
being used, and make the selection with
the SW 2 switch on the MTOU (Figure
29).
11.53
If the 8-ohm ·impedance is
chosen, the EX.SP volume control may
be used to control the input level to
the external amplifier.
If the 600-ohm
impedance is chosen, the level is fixed
and the input must be controlled by the
external amplifier itself. See Para-
graph 11.80 for the correct volume
setting sequence.
11.60 Talk-back Amplifier
11.61 A customer-provided talk-back
speaker/amplifier may be connected to
the external page (8/600) terminals on
the MTOU.
11.62 For talk-back operation, the
SW 2 switch on the MTOU must be set
at
11
600
11 •
The MTOU amplifier is not
used for the 600-ohm mode in order to
permit a 2-way voice pfJ.th.
11.63 The EX.SP
the· front of the
function when the
selected.
volume control on
MTOU will not
600-ohm mode is
11.70 Background Music
11.71 Background music (BGM) can
be provided in two ways through the
STRATA VI system:
a) Internal
to the
system using
the
MOH source.
b)
External to the
system
when an
external amplifier is used on the
External Page feature.
11.72 Internal BGM uses the music-
on-hold program source that is con-
nected to the MOH input terminals on
the MTOU. It is broadcast through all
EKT speakers (under the individual
control of each station user) and will
be heard if the
rn
key is operated
with the handset on-hook and no line
selected.
11.73 As a programmable option,
the BGM from the MOH source can be
heard via the external speak er (see
Section 100-006-300, Programming).
11.74 The BGM is automatically
preempted when a page or ringing
signal must be output from an EKT
speaker or the external speaker.
11. 75 Overall system BG M volume is
set with the BGM volume control on
the front of the MTOU PCB (see
Paragraph
11.80
for the correct volume
setting sequence). The volume at indi-
vidual stations is set with the volume
control on the rear right-hand side of
the EKT involved.
11. 76 If BG M is connected via an
external amplifier on the external page,
it can be heard from the external
speaker(s) only. The STRATA VI, if
required, can provide a dry contact
r - -
l
I I
I 8/600,,__1 _ _
--+
BR
,___....
___
....,.
L_ -
_J
MTOU
Tuner
Input 1
Mute 1
Mute 2
Input 2
Amplifier
FIGURE 30
Output
Volume
Input 1
Level
Input 2
Level
- 20 -