Function Switch Operation; Vm Amplifier's Internal Function Switches - Toa VM-2120 Installation Instructions Manual

23. FUNCTION SWITCH OPERATION

23.2. VM Amplifier's Internal Function Switches

Caution: Leave the following work to a qualified service technician.
Be sure to unplug the AC power cord 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.
Rear: M3 x 6 machine screw and M3 plain washer ..... 4 pieces
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.
Internal DIP switches
SW4
ON ON
1 2 1 2 3 4 5 6 7 8
SW2 switch setting (All switches are factory-preset to OFF position.)
Switch No. 1
Function
Inputs 1 – 3
Broadcast Priority Level
Input 1 Input 2 Input 3
ON 1
OFF 2
SW3 switch setting (All switches are factory-preset to OFF position.)
Switch No.
Function First/Last
Priority*
ON First-come
first-served
OFF Last-come
first-served
* This function is set in relation to the SW2-8 switch. (For details, see
BROADCAST PRIORITY" of the instruction manual supplied with the VM-2120 or VM-2240.)
10
SW3 SW2
ON
1 2 3 4 5 6 7 8
2 3
TEL Paging
Priority Level
1 1
2 2
1 2
Priority 2 Mode after
Mixing Emergency Talk
Mixed
Not mixed Evacuation
message
Side: M4 x 8 machine screw ..... 3 pieces each
4 5
Voice Announcement Board's
Message Priority Level
Message 3 Message 4 Message 5
1 3
2 1
3 4
Input 3/LINE
(Input 3/MIC)
Chime On/Off
Silent On
(off)
Off
(on)
SW4
SW3 SW2
VM amplifier's front panel
6 7
Priority Mode
for Same
Priority Unit
3 3
Unit No. Priority
(Numerical order)
First/Last
1 1
Priority
5 6
Unit Type No. of Connected
Units
Sub-unit
See the Connected
unit No. table on the
Master next page.
unit
p. 26 "GENERAL-PURPOSE
8
7 8