Honeywell XENON 1902 - Manual (Page 160)

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Matrix 2 of 5
<Default All Matrix 2 of 5 Settings>
Matrix 2 of 5 On/Off
Matrix 2 of 5 Message Length
Scan the bar codes below to change the message length. Refer to
Message Length Description (page 7-2) for additional information. Mini-
mum and Maximum lengths = 1-80. Minimum Default = 4, Maximum
Default = 80.
On
* Off
Maximum Message Length
Minimum Message Length