ADT Security Services ADT-LCD40 Manuale Utente

ADT-LCD40 Series Annunciators

ADT-LCD40 and ADT-LCD40L

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Document 50520    Rev D   7/25/00   P/N 50520:D

• 40-character LCD display (20 characters x 2 lines) is backlit 

under normal and alarm conditions

• System Status LEDs for Power (green), Alarm (red), Trouble 

(yellow) and Supervisory (yellow)

• No programming necessary — duplicates messages at control 

panel display

• Local piezo sounder with alarm and trouble resound
• Device type identifiers from the control panel
• Device & zone custom alpha labels from the control panel
• Time/date and device address from the control panel
• EIA-485 connects to control panel terminal port (requires 

DIM-485 module)

• Plug-in terminal blocks for ease of installation and service
• DIP switches control piezo enable/disable and transmit/receive 

mode

• Up to 32 ADT-LCD40 Series Annunciators per Unimode 200
• Mounting options:

✓ Surface mounting in SBB-3 (2.75" depth)
✓ Semi-flush mounting in three-gang electrical box (P/N 

10103) with a minimum depth of 2.187"

✓ Can be located up to 3,000 feet (900 m) from the panel

• Backlight turns off during AC loss to conserve battery power but 

will turn back on if an alarm condition occurs.

• Enable/Disable key-switch
• Function switches for:

✓ Acknowledge
✓ Signal Silence
✓ Drill
✓ System Reset

• DIP switches control function switches and key-switch enable/

disable