Toa SV-200MA - Manual (Page 31)

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Step 3. Turn off (break) the Chime switch when the broadcast is completed. A post-announcement chime
tone will be sent out to the zone(s). (Only when the "ascending/descending 4-tone chime" has been
selected.)
Step 4. Press the selected zone selector key (Zone 1 – 5) again to terminate the broadcast.
12.2.4. Westminster chime
• It is possible to set the group of zones over which Westminster chime is sounded. (See p. 41 "Control
input/Telephone paging/Westminster chime-to-Group assignment.")
• A chime tone is remotely sent out to the set zone group by activating the unit's rear panel-mounted
CONTROL I/O connector pin No. 11 "Westminster chime activation." (See p. 36 "CONTROL I/O
CONNECTOR FUNCTIONS.")
13. CHOKE COIL INSTALLATION
The work must be done by a qualified service technician only.
For the installation method, refer to the separate instruction manual for qualified service technicians.
14. INPUT TRANSFORMER INSTALLATION AND ITS BOARD MODIFICATION
The following work must be done by a qualified service technician only.
1. Input transformer installation
2. Modification to switch off the phantom power supply
3. Modification when the sub- and master VM amplifiers are connected
For the installation and modification methods, refer to the separate instruction manual for qualified service
technicians.
15. MOUNTING AN OPTIONAL EV-200M VOICE ANNOUNCEMENT BOARD
The work must be done by a qualified service technician only.
For the mounting method, refer to the separate instruction manual for qualified service technicians.
16. MOUNTING AN OPTIONAL SV-200MA SURVEILLANCE BOARD
The work must be done by a qualified service technician only.
For the mounting method, refer to the separate instruction manual for qualified service technicians.
VM amplifier
Chime activation
GND
Chime activation switch
Pin No. 9
Make
Break
Post-announcement
chime tone