Honeywell VISTA-21iP Frequently Asked Questions

How Do I Use the Chime By Zone Function for a Honeywell VISTA P-Series Panel?
Using the Chime By Zone function requires setting up a Zone List in *81 and then configuring the feature in *26. An Alpha Keypad is needed. Learn to use Chime By Zone on a VISTA.
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Does the Honeywell LTE-XA or LTE-XV Work On a Honeywell VISTA-21iP?
The Honeywell VISTA-21iP can support both the LTE-XA and the LTE-XV communicators once its internal IP communicator has been disabled. Learn about the LTE-XA and LTE-XV.
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What is the Difference Between Honeywell and ADEMCO?
Honeywell and ADEMCO both largely refer to the same equipment. ADEMCO was the original name for Honeywell, which later became Resideo. Learn about Honeywell and ADEMCO.
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Can Any Alarm Company Monitor My VISTA-21iP?
The Honeywell VISTA-21iP has a built-in IP communicator. Any alarm monitoring company that is willing can take it over. Learn about the VISTA-21iP and how you can get it monitored.
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How Do I Turn Off Arm-Confirm for a Honeywell VISTA System?
By turning off Arm-Confirm, your system's siren will not produce a loud tone whenever you Arm Away using a keypad or key fob. Learn how to turn off Arm-Confirm for a VISTA System.
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Why Am I Getting a "Check 100" On My VISTA P-Series Panel?
​A Check 100 error on a VISTA System means that the system is trying to supervise a wireless receiver, but it is unable to find one. Learn about the Check 100 error.
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How Do I Upgrade a Honeywell VISTA P-Series System to Use LTE?
Adding an LTE communicator to a VISTA P-Series Panel will allow it to connect with an LTE network. But certain firmware requirements must be met for TC2. Learn about VISTA Panels.
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How Do I Disable the Internal IP Communicator on a VISTA-21iP?
The most common reason to disable the IP communicator for a VISTA-21iP is because you are adding an external cellular or dual-path module. Learn about the Honeywell VISTA-21iP.
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How Does RF Supervision Work On a Honeywell VISTA P-Series System?
If you have a wireless receiver and wireless sensors for a VISTA System, then you will want to know about RF supervision. Learn about RF supervision on a Honeywell VISTA Panel.
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How Do I Install the Resideo LTE-IA On My VISTA P-Series System?
The Resideo LTE-IA is a great dual-path communicator for a VISTA P-Series System. Make sure to test signal strength before mounting. Learn how to install the Resideo LTE-IA.
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