Song Meter SM4M User Guide Supplement
2 Setup
Wildlife Acoustics, Inc.
page
7
2.2
Installing Batteries
You can use standard D sized alkaline or NiMH batteries. Always use a minimum
of 8 batteries. Though the SM4M will power with only 4 batteries installed,
battery life will be shorter because of the voltage drop from the diodes that
protect each group of 4 batteries.
Prior to installation, we recommend that you test all batteries with a high-quality
pulse load battery tester such as the ZTS MINI-MBT.
NOTE
: Do not mix batteries of different types. Do not mix old and new batteries.
1.
Remove the top cap.
2.
Pull the battery board from the housing using the large finger hole at the
top of the board.
3.
Press
STOP
to stop the current recording schedule. This step may be
unnecessary if the batteries are depleted or the memory cards are full.
4.
Remove the old batteries.
5.
For SM4M Submersible models, insert at least 8 and at most 32 new size D
batteries of the same type. For SM4M Deep Water models, insert at least 8
and at most 64 new size D batteries of the same type.
Batteries must be inserted in the proper groupings which are labeled A through
H on the battery board. All four battery holders corresponding to a letter must
be populated. Letters C and F have two on the back and two on the front. If not
