First Alert FA142C Installation Instructions Manual page 65

When adding Custom Words in steps 3–6, the keypad's keys perform
the following functions:
[4] Moves cursor one space to left.
[6] Selects desired letter; moves cursor one space to right.
[8] Saves the new word in the system's memory.
3. Press the [#] key, followed by the two-digit entry for the first letter you
would like to display (e.g., [6][5] for "A").
4. When you have entered the 2-digit number, press [6] to select it. The cur-
sor will then move to the right, in position for the next character.
5. Repeat steps 3 and 4 above to create the desired word(s). Note that the
[4] key can be used to move the cursor to the left, if necessary.
Remember, no word or word-string can exceed 10 characters.
6. Press the [8] key to save the custom word(s) and return to the "CUSTOM
WORD ?" display.
7. Repeat steps 2–5 for other custom words to be entered. To change a
custom word, just overwrite it.
8. If no more are to be entered, press "0" (No) at the CUSTOM WORD ?"
prompt to return to the Descriptor entry. The custom word(s) will be
automatically added to the built-in vocabulary.
9. Exit the programming mode by keying 99.
When zone descriptors are being entered as described in step 6 of
Programming the Descriptors, the custom word numbers are 250 to 254
for words 1 to 5 respectively.
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