Samsung DCS-Compact II Installation Manual page 75

DCS Compact II INSTALLATION MANUAL
Chapter 9. Changing Software
In order to easily replace the system software, it may be necessary to partially
disassemble the KSU. This procedure should be performed in the following
sequence.
1. Back up the software using the relevant MMC.
2. Check the battery switch on the MEM card and make sure it is ON
NOTE
If the documentation with the new software indicates that reprogramming will be
necessary you may wish to switch the battery OFF at this stage to ensure the system
is properly defaulted.
3. Switch Off the KSU and remove the cover.
4. Remove the MEM card.
5. Remove the four EPROMs from MEM card using a chip extraction tool or by
gently prising them out with a small, flat-bladed screwdriver. Set the removed
EPROMs aside carefully in case they need to be reinstalled.
6. Remove the new EPROMs from their protective packaging and confirm that
the legs on the EPROMs are straight. If the legs are not straight, contact your
dealer for assistance. Carefully insert the new EPROMs in their designated
sockets.
7. Reinstall the MEM card.
8. Switch ON the KSU and verify that it is operating. If it fails to operate, follow
the above steps to remove the new EPROMs and reinstall the old EPROMs. If
the system still fails to operate contact your dealer for advice.
9. Reset the system to default using MMC 811.
10. Reload the software using the appropriate MMC.
11. When the system is operating satisfactorily, switch ON the battery switch on
the MEM card if necessary, and replace the KSU cover.
Chapter 9. Changing Software
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