TOA Electronics VM-2120 用户手册

Priority 2 

––

––

BGM broadcast operation 

Cut off. 

Cut off*

1

or volume is decreased*

2

*

3

.

Volume is decreased*

3

. 

Mixed. 

*

1

Has nothing to do with the setting of SW2-No. 8 switch (priority mode for the equal priority unit). 

*

2

Enabled when "Mixed" is selected (factory-preset to "Not mixed") using the unit's internal SW3-No. 2 switch
"Priority 2 mixing." 

*

3

"Last-come-first-served" priority is selected if the unit's internal SW3-No. 2 switch "Priority 2 mixing" is set
for "Mixed." 

*

4

Different settings cannot be selected between "priority 1" and "priority 2." 

When other broadcast is made during the BGM broadcast (Priority level 4), the BGM broadcast is as shown in
the table below depending on the priority level of such other broadcast. (The BGM broadcast is restored to the
former state when the other broadcast is completed.) 

Priority level of broadcast 

overlapping with BGM broadcast 

Priority 1 

Priority 2 

Priority 3 

Priority 4 (BGM) 

*

1

Cut off when broadcast is made by Inputs 1 – 3 set for "Line level" inputs. 

*

2

Decreased when broadcast is made by Remote Microphone, telephone paging, or Inputs 1 – 3 set for
"Microphone level" inputs. 

*

3

The attenuation level can be selected from the following using the unit's internal SW4-No.1 and 2 switches. 
(1) No attenuation (Mixed) 
(2) –28 dB, (audible) 
(3) –

∞

dB (inaudible) (factory-preset level) 

29

Priority 4 

–– 

–– 

–– 

–– 

Mixing 

When two or more broadcasts with the equal priority level are simultaneously made, priority mode is as shown
in the following table depending on the type of broadcast sound source and setting switch status. 

Broadcast 

sound source 

Inputs 1 – 3 

Telephone paging 

Remote 

Microphones 1 – 4

Message

BGM 1 and 2 

Priority 1 

Last-come-first-served

or first-come-first-served

priority *

1

*

4

(selectable) 

–– 

Priority 3 

Mixing 

–– 

––

–– 

Last-come-

first-served

priority 

––

Competing priority level (Priority level of simultaneously made broadcasts) 

Last-come-first-

served or first-

come-first-served

priority *

1

*

4

(selectable) 

Last-come-first-

served or first-

come-first-served

priority *

1 

*

3 

*

4

(selectable) 

Priority 2 mixing

(selectable)

Unit No. priority *

4

[Numerical order]

(selectable) 

Unit No. priority *

4

[Numerical order]

(selectable) 

1 – 2 

3 – 5