Toa VS-900 - Manual (Page 42)

3-14
CHAPTER 3. CONVENIENT FUNCTIONS
[Scan Monitor operation details]
(1) No voice is transmitted from the master station to the substation being monitored unless the master
station's [PTT] key is pressed.
(2) When the substation to be monitored is busy, the busy indication is displayed together with a busy tone at
the master station.
(3) Incoming calls to the master station in the process of scanning substations are indicated on the calling
party display. To respond to such calls, first terminate monitoring by either pressing the [C] key or
replacing the handset, and then answer.
PAGING-RELATED FUNCTIONS
This function permits a master station or a telephone to broadcast to multiple substations* 1 or external public
address equipment. The VS-900 system offers the following four paging methods:
(1) Zone paging broadcasts to individual zones* 2
(2) Simultaneous all-zone paging broadcasts* 2
(3) Emergency paging broadcast to entire areas* 3
(4) External sound source distribution to individual zones* 2
* 1 Only Emergency paging can be broadcast additionally to master stations.
* 2 Except Emergency substations because they can not be assigned to any zone.
* 3 Including Emergency substations.
8. ZONE PAGING
8.1. Function
Permits paging to up to 19 individual zones (01 – 19) established by combining multiple substations with
external public address system equipment. Two or more individual zones can simultaneously be selected.
No. 10 No. 11 No. 12 No. 19
Scan monitor group
Manual scanning
#
2
PTT
0 : Stop/Restart
: Scan FORWARD
: Scan BACK
: Talk to the substation
Scanning monitor