5. Memory Card Removal/Installation:
The M3 utilizes removeable SD memory cards to store audio and configuration information. The image
below illustrates how the card interfaces with the M3. The memory of the M3 is hot swappable and may be
removed or installed without removing power from the system.
5.1. Removal
1. Unscrew the four mounting screws and remove the cover plate to expose the memory card.
2. Depress eject button located directly to the right of the card to unseat the memory.
3. Remove memory card from the M3.
4. Replace cover and secure with the four mounting screws.
5.2. Installation
1. Unscrew the four mounting screws and remove the cover plate to expose the memory card holder.
2. Align the side rails of the memory card so they glide into the black plastic guides of the memory
card holder.
3. Push the card into the holder until the card “clicks in”
5. Replace cover and secure with the four mounting screws.
5.3.
Capacity, Data Rates and Part Numbers:
Size
Model No.
Approx. recording time (Minutes)
Mono / Stereo or Dual Mono
7kHz 15kHz
20kHz
32 64
128
1GB SD-1GB
4164 2082
1041
2GB SD-2GB
8328 4164
2082
4GB SD-4GB
16656
8328
4164
M3 User's Manual V 1.0 Revised 13, Sept 2011
Page 23