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DBM21 Installation and Instruction Guide
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W.H.E.N.™ Minimum System Requirements
The DBM21 doorbell module requires that the system have the following software
as a minimum
.
Before installing the DBM21, it will be necessary to check the currently installed firmware of all your
components. If you need to update the firmware it will be necessary to contact Audioaccess
Technical Support at 888.691.4171 (USA only) or 516.496.3400 (Outside USA) or through email at
.
Component
Firmware
Version
Found In
AVR21EN
AVR MAIN MC
Version 2.57 or later
AVR21EN Diagnostics
AVR21EN
AVR BUS MC
Version 3.24 or later
AVR21EN Diagnostics
KP21
KP MSP
Version 3.18 or later
KP21 Settings
Identifying Installed Firmware
Identifying the AVR21EN Main CPU version
To verify the AVR21EN main CPU version, turn ON the avr and go to
the OSD menu under Diagnostics >Settings page 1, version can be
read under AVR MAIN MC. In this example, main CPU version is 2.57.
Identifying the AVR1394 BUS version
To verify the AVR1394 version, turn the AVR on and go to the OSD
menu under Diagnostics > Settings Page 1, version can be read under
AVR BUS MC. In this example AVR1394 Bus version is 3.24.
Identifying the KP21 Firmware Version
The KP21 firmware version is displayed on the keypad display and not in
the receiver’s on screen menu. On the KP21, go to SETUP, press the right
arrow on the keypad four times, press SETTINGS, the display will show
MSP, ICEM and ID for that particular keypad. In this example the KP21
version is 1.22.
