Beep Strap Removal; Microphone/Speaker Threshold Adjustment (Speakerphone Only); Hheu Installation - Toshiba Perfecptione Installation And Maintenance Manual

INSTALLATION INSTRUCTIONS
SECTION 200-255-204
FEBRUARY1992
2) Refer to Figure 4-47, and locate the CARBON
straps, W301 and W302, and cut them.
3) Reinstall the telephone base (Figure 4-43),
and secure it with its four captive screws.
6.40 Beep Strap Removal
6.41 A beep is emitted whenever a dialpad button
or flexible button is pressed. This beep can be
eliminated if the beep strap is cut. To cut the strap:
1) Loosen the four captive screws securing the
telephone' s mounting base (Figure 4-43), and
remove the base.
2) Refer to Figure 4-47, and locate the BEEP
strap, W304, labelled "PERCEPTION1 O-SUB
(SPF)" on the telephone' s upper PCB, and cut
it.
3) Reinstall the telephone' s mounting base (Fig-
ure 4-43), and secure it with its four captive
screws.
6.50 Microphone/Speaker Threshold Adjust-
ment (Speakerphone only)
6.51 If the speaker frequently cuts off during
handsfree operation, because of high ambient noise
levels, set the ROOM NOISE switch to the high
position. To set the switch:
1) Loosen the four captive screws securing the
telephone' s mounting base (Figure4-43), and
remove the base.
2) Refer to Figure 4-47, and locate the ROOM
NOISE switch, labelled "PERCEPTION1 O-
SUB (SPF)" on the telephone' s upper PCB.
Carefully push the switch to the HIGH (H)
position.
3) Reinstall the telephone' s mounting base (Fig-
ure 4-43), and secure it with its four captive
screws.
6.60 HHEU Installation
6.61 The HHEU option provides the interface and
control for a customer-supplied headset. It is in-
stalled in accordance with the following steps:
1) Loosen the four captive screws securing the
telephone' s mounting base (Figure 4-43) and
remove the base.
2) Using a screw driver or other suitable tool,
remove the plastic tab located on the back of
the mounting base (Figure 4-43). The HHEU
modularconnectorfor the headset is accessed
through this opening.
3) Set the SW601 switch on the HHEU PCB to
the HEADSET position (Figure 4-48).
4) If the headset receiver is not to receive OCA
caller voice announcements, cut both sides of
the R607 resistoron the HHEU PCB (Figure4-
48), then remove the resistor.
5) Position the HHEU PCB on the standoffs
inside the base (Figure 4-48), and secure with
the two screws provided.
6) Connect the HHEU PCB to the telephone' s
upper PCB, labelled "PERCEPTION1 O-SUB
(SPF)." See Figure 4-47.
COMPONENT SIDE OF HHEU (V.3 or later)
FIGURE 4-48
HHEU INSTALLATION FOR DIGITAL
TELEPHONE
4-36