User's Manual

EPROM Replacement

Issue 1 November 1998 23

CAUTION:

The wallboard’s memory is cleared of any previously stored

messages when you run the Self-Test program. However, if

you press R immediately after entering TEST, the memory is

not cleared.

5. Press to cancel the test program.

Clearing the Memory

To clear the entire memory of the wallboard, follow these steps:

1. Press .

PROG TEXT FILE A

appears.

2. Press until

CLEAR MEMORY

appears.

3. Press .

WARNING!

appears momentarily; then

CLEAR ALL? Y/N

appears.

4. Press “Y” for YES if you want to clear everything in memory.

Press “N” for NO.

PROG TEXT FILE A

reappears.

EPROM Replacement

To upgrade the wallboard, you must replace the EPROM in the

wallboard. Follow these steps to replace the EPROM:

1. Unplug the wallboard from the wall outlet.

2. Remove the end cap located on the right side of the

wallboard (as you face the wallboard).

PROGRAM

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