Manual

Fig. 1 DG-25 Front Panel LayoutIII
PAGE 2 of 28
DESCRIPTION:
The DG-25 Audio Alarm Base Station is of panel construction and mounts in a standard 19”
equipment rack. All controls and indicators are mounted on the front panel and all electrical
connections are made at the rear of the unit. DC power is supplied to the DG-25III by an
external power supply unit (included) which connects to 120 VAC.
III
[1] Zone Selector Switch Selects monitor or talkback operation for that zone. Zone numbers
are located directly above the switches (zones 1-25).
[2] Alarm Indicator LED Lights red when the unit goes into alarm. Stays red until the reset
button is pressed. Lights green (flickers) when audio is detected.
[3] Power Indicator LED Lights when power is applied to the unit.
[4] Sonalert Buzzer Gives a 3 second pulsating audible sound whenever the unit goes
into alarm. Located on side of chassis. May be turned OFF using
the Keyswitch[16].
[5] Time Delay Switch Selects to increase or decrease the length of alarm delay.
Switch operations:
a). UP position- increases the length of alarm delay
b). DOWN position- decreases the length of alarm delay.
[6] Audio Alarm Input Jack Used for testing the level of audio coming into the unit as seen from
the Audio Level Indicator[17].
[7] Threshold Sensitivity Switch Selects to increase or decrease the audio threshold sensitivity
settings. Used in conjunction with the Day/Night Sensitivity
Switch[9], Night Sensitivity Setting Pushbutton[20] and Day
Sensitivity Setting Pushbutton[21].
Switch operations:
a). UP position- increases the sensitivity of audio threshold settings
b). DOWN position- decreases the sensitivity of audio threshold
settings.
5
6
7
1
2
3
4
POWER
SET-UP CONTROLS
MONITOR
TALKBACK
ZONES
E
L
OUROE
L ECTR ON ICS
TIME
DELAY
THRESHOLD
SENSITIVITY
SENSITIVITY RESET
NON-ALARM
MONITOR
ALARM INPUT
ALARM DELAY INPUT TIME RESETTRIGGER POWER
ALARM LEVEL
ALARM DELAY
DG-25III
AUTO-RESET
OFF
ON
ON/AUDIO ALERT
LOUROE ELECTRONICS 6955 VALJEAN AVENUE, VAN NUYS, CA 91406 TEL [phone] FAX [phone]
Website: www.louroe.com Email: [e-mail]
(818)
INSTALLATION AND OPERATING INSTRUCTIONS
DG-25III 2/08