Casella CEL CEL-393 - Manual (Page 59)

Display
Mnemonic Print Out
Required
Max
L
eq
L Tm3
L Tm5
L n1 set
L n2 set
L n3 set
SEL
Time
Duration
All Pass
20kHz
16kHz
12.5kHz
10kHz
8kHz
6.3kHz
5kHz
4kHz
3.1kHz
Hexadeci-
mal
Code
80
81
82
83
84
85
86
87
88
8E
B8
90
91
92
93
94
95
96
97
Pin No.
1
8
6
Function
Serial data output
Enable serial output
0V ground
Description
0 & 5 volts
+5v to enable , 0v to disable
Table 6 Interface pin function (NB all at CMOS Levels)
Table 7 CEL-393B to
RS 232 interface
mnemonics used to
output data from
sound level meter
393 Handbook /55.