Carbon Headset/Handset Straps; Beep Strap; Microphone/Speaker Threshold (Speakerphones Only); Handset Receiver Volume-Up Strap (Version 2 6500-Series Telephones Only) - Toshiba Strata DK24 Installation And Maintenance Manual

8) Cut the HHEU strap on the telephone PCB (7-
13).
NOTE:
The HHEU strap must be replaced if the
HHEU PCB is removed from the telephone.
9) Reinstall the telephone base, and secure it
with its four captive screws.
10) To adjust the volume of the HESB Loud
Ringing Bell: Call the telephone connected to
the HESB, and adjust the volume control on
the back of the HESB and the ring volume
control on the telephone.

4.30 Carbon Headset/Handset Straps

4.31 If a carbon-type handset or headset is con-
nected to the handset jack on the side of the 6500-
series electronic telephone, two straps inside the
telephone must be cut. Cut the straps in accor-
dance with the following steps:
NOTE:
It is not necessary to cut these straps if the
headset is connected to the HHEU.
1) Loosen the four captive screws securing the
telephone base (Figure 7-1), and remove the
base.
2) Refer to Figure 7-13, and locate the CAR-
BON straps, W201 and W202. Cut both straps.
3) Reinstall the telephone base, and secure it
with its four captive screws.

4.40 Beep Strap

4.41 A "beep" sounds whenever a dialpad button
or feature button is pressed on an electronic tele-
phone. This beep can be eliminated with the fol-
lowing procedure:
1) Remove the four captive screws securing the
telephone base to the telephone (Figure 7-1),
and remove the base.
2) Locate and cut the BEEP strap on the tele-
phone printed circuit board (PCB) (Figure 7-
13).
3) Reinstall the electronic telephone base, and
secure in place using the four captive screws.
4.50 Microphone/Speaker Threshold (Speak-
erphones only)
4.51 High ambient noise levels may cause the
speaker on the electronic telephone speakerphone
models (the EKT6520-S and the EKT6520-SD) to
cut off frequently. To make these telephones less
sensitive to noise and to prevent the cut-off, follow
the steps below:
1) Remove the four captive screws securing the
base to the telephone, and remove the base
(Figure 7-1).
2) Locate the ROOM NOISE switch on the printed
circuit board (PCB) inside the telephone, and
push it carefully to the HI (high) position
(Figure 7-13).
3) Reinstall the telephone base and secure in
place using the four captive screws.
4.60 Handset Receiver Volume-up Strap
(Version 2 6500-series Telephones Only)
4.61 For Version 2 (V.2) 6500-series electronic
telephones only, the handset receiver volume can
be increased six decibels (db) by cutting a strap
inside of the telephone. Cut the strap in accor-
dance with the following steps:
1) Remove the four captive screws securing the
telephone base to the telephone, and remove
the base (Figure 7-1).
2) Locate the R-UP strap on the printed circuit
board (PCB) inside the telephone, and cut it
(Figure 7-13).
3) Reinstall the telephone base, and secure in
place using the four captive screws.
7-13
INSTALLATION-TELEPHONE
SECTION 400-096-207
SEPTEMBER 1992