It seems you are looking for a of the Samyung SRG-1150 Service Manual (Section/Page 19) .
: Stores up to 100 transmitted messages (editable) and 100 received messages, specifically categorized into 50 distress and 50 ordinary messages.
This article provides a deep dive into the SRG-1150, explains the significance of the “19” revision, and outlines how to safely source and utilize this technical document.
Owners of the SRG-1150 frequently report issues that only Revision 19 adequately addresses: