Honeywell Captuvo SL22 User Manual page 61

NEC 2 of 5 Message Length
Scan the bar codes below to change the message length. Refer to
Message Length Description (page 5-2) for additional information. Mini-
mum and Maximum lengths = 2-80. Minimum Default = 4, Maximum
Default = 80.
Minimum Message Length
Maximum Message Length
5 - 13