Casella CEL CEL-296 - Manual (Page 52)

Bytes 2 to 5
These contain the sound level meter data (when available) or 0
(zero) when the filter set is used alone to recall stored spectrum
data.
Byte 6
This byte contains information about the filter set frequency range in
use.
BIT 7 6 5 4 3 2 1 0
0 T T X X F F F
Where: TT = Filter type
00 = CEL-288
01 = CEL-296
XX
= Not allocated, so normally 0
FFF = Frequency range 000 = All stop
001 = All pass
010 = 0.1000 to 0.9999 Hz
011 = 1.000 to 9.999 Hz
100 = 10.00 to 99.99 Hz
101 - 100.0 to 999.9 Hz
110 - 1 to 9.999 kHz
111 = 10 to 99.99 kHz
Byte 7
This contains details of the bandwidth selected, gives an indication
of battery condition and any overload functions, and controls the
band stepping, and recall functions.
BIT 7 6 5 4 3 2 1 0
0 R R BC
P B V X
Page 52 CEL-296/3 Operator Handbook CEL Instruments Ltd