Grove Enterprises has a webpage here that explains the correct way to select a scan list location to store an ID during a search.
The website www.bc245xlt.com has quite a bit of information about this scanner, including the following list of errors in the original manual:
BC245 errors in original manual (newer reprint corrects most errors)
page 7: Preprogrammed service (SVC) scan (not search)
page 31: 9. To store another frequency, select another channel for the new frequency by pressing MAN (not E)
page 41: 6. Repeat steps 4 and 5 until (not steps 3 and 4)
page 52: 1. Press SCAN to begin.. (not Press MAN)
page 54: 1. When your scanner stops on an ID you want to store, press HOLD. (not SCAN)
page 59: 8. Repeat steps 6 and 7 until (not steps 8 and 9)
page 59: See page 81 for more information. (not page 68)
page 61: To turn Status Bits off, press and hold SCAN for two seconds (not press and hold for two seconds)
page 62: You may need a DB-9 to DB-25 adapter (not null-modem adapter)
BC245 manual addenda
In trunk mode pressing the data key repeatedly cycles the display through these modes (ref page 47):
1. Active scan lists
2. Repeater activity indicators
3. Active banks
I have version 1.17.
WARNING: You will lose all memory settings!