Casella CEL CEL-393 - Manual (Page 20)

Figure 3 Controls & connectors
890015
1 2 3
4 5 6
7 8 9
0 A C P
M
F
R
F
P
I
S
CAL
F1:3
F1:1
Off
A
Lin
Conditioned AC
Output
Auxiliary
Socket
FILTERS
OFF POWER
DETECTOR
Main display
Time weighting
Power, frequency weighting
& general reset
Frequency analyser
(B version only)
Keypad
CEL-186 Microphone
CEL-229 Preamplifier
/16. 393 Handbook