Toa VM-3000 Series - Manual (Page 11)

11
1. Power Switch
Unit is switched between operating and standby
modes each time this switch is pressed. Power is
always supplied regardless of the switch setting.
2. Live Status Indicator (green) [POWER]
Remains lit while power is supplied.
* As long as the power is connected, this
indicator remains lit even if the power is
switched OFF.
3. Evacuation Announcement Indicator (red)
Lights whenever an Evacuation announcement is
broadcast.
4. Evacuation Announcement Key [EVACUATE]
Can only be used while in emergency broadcast
mode.
Pressing this key plays back the recorded
Evacuation announcement, which is broadcast
from the speaker output(s) selected with the
Output Selection key (33). To stop an Evacuation
announcement, hold down this key for 3 seconds
or more during emergency broadcast.
5. Emergency Activation Switch / Emergency
Indicator (red) [EMERGENCY]
Pressing this switch while it is unlit causes it to
light while switching output to emergency
broadcast mode. (No automatic announcements
are made.)
When an emergency broadcast is activated by a
control input other than this switch or by the
Fireman’s Microphone, the switch flashes and a
buzzer sounds, disabling front panel operation.
While flashing, this switch functions as an
emergency activation acknowledgement switch.
Pressing this switch while it is flashing causes it
to stay lit, stopping the buzzer and enabling front
panel operation. In any case, this switch goes
out once the emergency broadcast is reset.
Steady ON: Lights when the emergency mode is
activated either by this switch or by
other connected external equipment
and subsequently acknowledged,
and remains lit until the emergency
mode is reset.
Flashing: Flashes when the emergency mode
is activated by external equipment
other than this switch.
6. Menu Key [MENU]
During emergency broadcasts:
Cannot be used.
During general broadcasts:
Displays the setting item menu.
During settings:
Selects the setting item.
7. OK Key [OK]
During failure indication:
Stops the buzzer when a failure is detected by
the surveillance function (functioning as a failure
acknowledgment key).*
During setting:
Functions as a confirmation key.
* For more information on surveillance functions,
refer to page 49 .
8. — (Minus) Key [—]
Decreases setting value numbers.
9. Cancel Key [CANCEL]
Returns the display to the previous screen during
settings.
Pressing this switch when a failure occurs
reverts the unit back to normal mode. (Refer to
"Failure reset operation" on page 55 and
"Examples of Failures and Their Counter-
Operations" on page 57.
)
10. + (Plus) Key [+]
Increases setting value numbers.
11. LCD
Backlit during unit operation.
During emergency or general broadcasts:
Displays operation and failure information.
During settings:
Used to perform settings.
12. BGM Selection Key [BGM]
Displays the BGM (background music) selection
screen on the LCD (11). The display switches
between the setting screens for Treble, Bass,
etc. with each depression of this key. (Refer to
"BGM Settings" on page 87. )
13. BGM Volume Control [BGM]
Adjusts the BGM input volume.
14. Input Selection Keys [INPUT 1 – 3]
Display key’s corresponding setting screen on
the LCD (11). The display switches between the
setting screens for Treble, Bass, etc. with each
depression of the selected key. (Refer to
"Input
1 – 3 Settings" on page 85. )
15. Input Volume Controls [INPUT 1 – 3]
Adjust the input volume for Inputs 1 – 3.
16. Master Volume Control [MASTER]
Sets the output volume for the entire system.