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REMOVING THE MICRO SD CARD
Carefully remove the SD Card by removing the back cover, then removing the battery pack.
Slightly press down and slide the SD card holder right, then lift out the card. Gently install the SD
Card the same way it was removed.
REFORMATTING THE MICRO SD CARD
SD cards should only be formatted using the special SD Card Formatter (https://www.sdcard.org/
downloads/formatter_4/). Then, you need to “Clear User Data” using Sentinel to restore all files
and directories to the card.
After formatting, the scanner won’t be automatically detected (since it is wiped clean), so you may
need to uncheck “Hide empty drives” in Windows Tools>Folder Options>View before doing the
“Clear User Data” step.
TYPE II SPECIAL STATUS BITS
Type II Motorola Smartnet systems use these status bits for special transmissions such as
emergency, patches, DES/DVP scrambled transmissions, and multiselects. Motorola trunking
radios directly interpret them for their special functions, thus no difference is noticed by the person
with the radio. The scanner however interprets these special talk group status bits as different talk
groups entirely. Below is the conversion chart for these special status bits.
TT ID + # Usage
TT ID + # Usage
ID+0 Normal Talk group
ID+8 DES/DVP Encryption talk group
ID+1 All Talk group
ID+9 DES All Talk group
ID+2 Emergency
ID+10 DES Emergency
ID+3 Talk group patch to another
ID+11 DES Talk group patch
ID+4 Emergency Patch
ID+12 DES Emergency Patch
ID+5 Emergency multi-group
ID+13 DES Emergency multi-group
ID+6 unassigned
ID+14 unassigned
ID+7 Multi-select (initiated by dispatcher) ID+15 Multi-select DES TG
Therefore, if a user was transmitting a multi-select call on talk group 1808, the scanner would
actually receive those transmissions on 1815.
Some common uses of these status bits are as follows:
• When a user hits their emergency button, all conversations on the talk group revert to
the emergency status talk group (ID+2) until the dispatch clears the emergency status.
Therefore, if someone hit their emergency button and their radio was on talk group 16, all
communications would switch to talk group 18.
• A lot of Fire and EMS departments dispatch tone-outs and alarms as Multi-select
communications (ID+7). Therefore, if your fire department dispatch talk group is 1616, and
they do dispatch tone-outs and alarms as Multi-selects, then those communications will be
on talk group 1623.
Summary of Contents for SDS100
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