Bird Technologies 4331 - Manual (Page 63)

the CW reading. When the CW and PEAK readings are
the same, calibration is complete.
9. Replace the back cover, using the four 8-32 Phillips flat
head screws.
Maintenance
Maintenance of the Model 43P in general will be the same as for the Model
43 except for battery replacement.
If the unit does not function properly in peak mode, or calibration cannot be
achieved, the batteries may be low. Replace the batteries with new ones,
preferably alkaline or lithium type. The batteries fit very tightly in their
retaining clips and may have to be pried out one at a time (refer to figure
15).
Battery Battery
+ R9 -
Serial
N
o.
Figure 15
Model 43P
Maintenance
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