TOA Electronics VM-2120 用户手册

49

Caution: Leave the following work to a qualified service technician.

Be sure to switch off the power before the work.

Step 1. Remove 4 screws on the amplifier rear panel and a total of 6 screws on the sides to remove the

cover. 

Step 2. Set the amplifier's internal DIP switches SW2, SW3, and SW4 according to the table below. 

Step 3. Replace the amplifier cover using the screws removed in Step 1. 

* This function is set in relation to the SW2-8 switch. (See p. 27 "GENERAL-PURPOSE BROADCAST

PRIORITY" for details.) 

Side: M4 x 8 machine screw ..... 3 pieces each

Rear: M3 x 6 machine screw and M3 plain washer ..... 4 pieces

ON

1 2

ON

1 2 3 4 5 6 7 8

ON

1 2 3 4 5 6 7 8

SW4

SW3

SW3

SW4

SW2

SW2

VM amplifier's front panel

Internal DIP switches

Switch No. 

1

2

3

4

5

6

7

8 

Function 

Input 1 Input 2 Input 3

Message 3 Message 4 Message 5 

ON 1

1

1

1

3

3

3 

OFF 2

2

2

2

1

1

1 

Priority Mode 

for Same 

Priority Unit 

Unit No. Priority 

(Numerical order)
First/Last

Priority 

Inputs 1 – 3 

Broadcast Priority Level

Voice Announcement Board's

Message Priority Level

TEL Paging

Priority Level

Switch No. 

1

2

3

4

5

6

7

8 

Function 

ON Mixed

Silent

On

Sub-unit 

(off)

OFF Off 

(on)

First/Last

Priority* 

First-come

first-served 

Last-come 

first-served 

Not mixed 

Evacuation 

message 

Master 

unit 

Priority 2

Mixing 

Mode after 

Emergency Talk 

Input 3/LINE 

(Input 3/MIC) 

Chime On/Off

Unit Type 

No. of Connected

Units 

See the Connected

unit No. table on the

next page.