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  • LogicMark CaretakerSentry (Model 40911) — Quick Install Guide

    September 08, 2026 3 min read

    Quick install guide for the LogicMark CaretakerSentry Personal Emergency Response System, covering setup, system testing, and placing an emergency call.

    Full text manual (for reference)

    Overview

    The LogicMark CaretakerSentry (Model #40911) is a Personal Emergency Response System (PERS) consisting of a base unit (Model 40914) and a wearable pendant (Model 40915, available with lanyard or wrist strap). The pendant's emergency button connects you to a central monitoring station or emergency contacts through your telephone line.

    Kit Contents

    • Base unit
    • Pendant with lanyard and wrist strap options
    • 4 rechargeable AA batteries
    • Telephone cord
    • AC adapter

    Step-by-Step Installation

    1. Confirm accessories in kit — 4 rechargeable AA batteries, telephone cord, AC adapter, lanyard, wrist strap.
    2. Place batteries in unit — Place the green rechargeable batteries in the compartment on the bottom of the base unit, noting the correct orientation. Make sure to turn the ON/OFF switch to ON. You will hear the announcement "Running on Battery Power" — the unit runs on battery until the AC adapter is plugged in.
    3. Plug telephone line and power cord into wall jacks — Plug the AC adapter power cord into the power jack and twist a quarter turn clockwise to lock. Optionally plug a telephone into the "To House Phone" jack.
    4. Test the unit — see the System Test procedure below.

    Performing a System Test

    1. Push and hold the CANCEL button for 8-10 seconds to enter "System Check."
    2. Push the gray Emergency button for 2 seconds on the Pendant (the red LED on the pendant should turn ON for 1 second).
    3. Listen for the voice prompt from the base unit: "All Systems are OK – Battery is OK" is heard if the system is correctly installed. Any other voice prompt describes the specific problem.
    4. Push and release the CANCEL button for 1 second to exit Test Mode (the unit will automatically exit after 3 minutes if not cancelled).
    5. We recommend performing this System Test weekly.

    Placing an Emergency Call

    1. Push the gray Emergency button for 2 seconds on the Pendant (the red LED on the pendant should turn ON for 1 second).
    2. You should hear a dial tone, dialing, and then communication tones between the CaretakerSentry and the central station. Several seconds later, the operator should answer the call.
    3. Talk normally to the base unit, just like a speakerphone.
    4. At the end of the conversation, the unit should automatically hang up — if not, push the CANCEL button for 1 second.

    Base Unit Controls & Ports

    • Master ON/OFF switch (base bottom)
    • Speaker and microphone (base top)
    • Two-way Voice Pendant Battery Charging Port (for optional accessory)
    • CareTaker button (blue) — see caretaker entry function; Cancel (1 second); System Check (8 seconds)
    • Code Learn (red) and Reset buttons (base side)
    • Telephone jacks — Line IN (to house phone), Programming Switch (Programming Mode / "Emergency Call Mode" / Normal Operation)
    • Power — DC 7.5V, 800 mAh
    • Cellular Accessory Jack (base back)

    Pendant

    • Gray Emergency Button — press for 2 seconds to trigger a call
    • Red Status LED
    • Breakaway feature for safety
    • Wearable on lanyard or wrist strap

    Model Numbers & Regulatory

    CaretakerSentry Base Unit Model 40914 — FCC ID: TYD-CS40914, IC: 8471A-CS40914
    CaretakerSentry Basic Pendant Model 40915 — FCC ID: TYD-CS40915, IC: 8471A-CS40915, REN 3.7

    Disclaimers & Limited Warranty (Summary)

    • Signals transmitted over telephone lines pass through networks beyond LogicMark's control — LogicMark is not responsible for equipment or communication failures that prevent signals from reaching your contact list, including 911 operators.
    • LogicMark provides no direct emergency response itself; the equipment communicates with a central monitoring station of your choice, and LogicMark is not responsible for ambulance, police, or other emergency response time.
    • The Purchaser is solely responsible for testing the equipment's operation and requesting warranty service if needed.
    • Purchaser's exclusive remedy is repair or replacement at LogicMark's option, of any non-operational equipment during the warranty period.
    • This equipment is not designed or guaranteed to prevent any loss or injury; liability, if any, is limited to the amount paid for the product or $350.00, whichever is greater.

    For warranty information, see your dealer for details. © LogicMark, LLC.