Settings; Function Switch Operation; Vm Amplifier's Rear Panel-Mounted Function Switches - Toa VM-2120 Instruction Manual

[Electrical characteristics]
Input
Open voltage:
Short-circuit current: Under 1 mA
Activation:
Output
Circuit: Open collector (See below.)
Withstand voltage: 30 V DC
Control current: Under 10 mA

23. FUNCTION SWITCH OPERATION

23.1. VM Amplifier's Rear Panel-Mounted Function Switches

Set the rear panel-mounted SETTINGS switch (p. 10 No. 29) as shown below.
All switches No. 1 – 8 are factory-preset to the OFF position.
1 2 3 4 5 6 7 8
ON

SETTINGS

Switch No.
Function Phantom Power*
OFF (Up position)
ON (Down position)
Chime Selection table
Switch No.
3 4 5
OFF OFF OFF 2-Tone Chime
OFF OFF ON OFF
OFF ON OFF 4-Tone Chime (Up) *
OFF ON ON Single-Tone Chime
ON OFF OFF 4-Tone Chime (Up & Down) *
ON OFF ON OFF
ON ON OFF Pre-recorded Chime *
ON ON ON OFF
3.3 V DC
No-voltage make contact (one-shot signal is shown below.)
Over 100 ms
Control current
1
4 Telephone Paging Chime Selection Input 3 Input 2 Input 1
OFF Chime ON
ON Chime OFF
Chime Tone
1
3
2 3 4
See the Chime
Selection table
* An ascending 4-tone chime is sounded when the
1
broadcast begins.
* 2 An ascending 4-tone chime is sounded when the
broadcast begins, and a descending 4-tone chime
is sounded upon broadcast completion.
* The chime sound source must be pre-recorded into
3
a CF (CompactFlash) card to be inserted into the
optional EV-200M Voice Announcement Board.
2
* 4 Simultaneously turns on or off the phantom power of
Inputs 1 – 3. For the method to switch off the
phantom power for the individual Inputs 1 to 3,
consult the shop from whom the unit was purchased.
5 6 7
Mic Mic Mic
Line Line Line
8
39