AFP-400 Installation
PN 50253:A2 03/12/96
4-33
Voice Message Options
!
Caution
: Remove AC
power at the main service
circuit breaker (not the
circuit breaker on the
main power supply).
VROM
A nonvolatile memory chip containing a factory-programmed evacua-
tion message (up to 24 seconds). You can install one or two VROMs into an
AMG-1. Refer to Document 15945 for contents of available VROMs.
VRAM
A programmable memory chip that contains a user-created evacuation
message up to 24 seconds long. Create a message from the AMG-1 microphone
or a cassette tape. You can install one or two VRAMs into an AMG-1.
Overview of VROM and
VRAM
To install VROM and VRAM chips, follow these steps:
Step Action
1
Remove battery power, then remove AC power from the AFP-400.
2
Remove dress panel covering the AMG-1.
3
Remove the fours screws that hold the AMG1 dress plate to the component board as
shown below. Remove the dress plate and disconnect the microphone connector.
4
Install the VROM or VRAM chips in their respective positions as shown below.
To assemble the AMG-1, reverse these instructions.
Voice Message #4 (VRAM B)
User-Programmed RAM
Voice Message #3 (VRAM A)
User-Programmed RAM
Microphone
Connector
Voice Message #1 (VROM A)
Factory Programmed EPROM
Voice Message #2 (VROM B)
Factory Programmed EPROM
AMG-1 Front Panel and Circuit Board
AMG-1 Front
Panel
AMG-1 Circuit
Board
Installing VROM and
VRAM