Section 7: Bi-Directional Communications
Page 7-6 SATO Programming Reference
MEMORY STATUS (SOH + EB)
Upon Receipt of an SOH (hexadecimal 01) followed immediately by an ASCII EB
causes the printer to return a 24 byte Memory Status Word bounded by an STX-ETX
pair that reports the current user memory allocation.
FORM OVERLAY STATUS (SOH + FO)
Upon Receipt of an SOH (hexadecimal 01) followed immediately by an ASCII FO
causes the printer to return a 18 byte Form Overlay Status Word bounded by an STX-
ETX pair that reports the Forms downloaded into the printer.
BYTE
NUMBER
VALUE DESCRIPTION
1-4 Hex Free Font Memory
5-8 Hex Total Font Memory
9-12 Hex Free Form Overlay Memory
13-16 Hex Total Form Overlay Memory
17-20 Hex Free Graphic Memory
21-24 Hex Total Graphic Memory
BYTE
NUMBER
VALUE DESCRIPTION
1-2 01 to 99 Form Registration Number (ASCII value)
3-18 ASCII Form Name
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