1.5.18 Remote Mode 
The 
1.5.19 Remote Mode Fault Tolerant Parser
The C4 uses a very fault tolerant parser. Command strings received over either the 
| 1.5.20 Remote Mode System Information Queries | 
 | |
| QV | Query Firmware Version | . . . . . See Section 7.4.1 | 
| QN | Query Serial Number | . . . . . See Section 7.4.2 | 
| QR | Query Temperature Range | . . . . . See Section 7.4.3 | 
| QS | Query Setpoint & Control Probe Number . . . | . . . . . See Section 7.4.4 | 
| QF | Query Setup Parameter Data (Binary Query) | . . . . . See Section 7.4.5 | 
| QFA | Query Setup Parameter Data (ASCII Query) | . . . . . See Section 7.4.5 | 
| 1.5.21 Remote Mode Operation Information Queries | 
 | |
| RSA | Request Status Byte (ASCII Query) | . . . . . See Section 7.5.1 | 
| REA | Request Error Byte (ASCII Query) | . . . . . See Section 7.5.2 | 
| QE | Query Error/Status String (Binary Query) . . | . . . . . See Section 7.5.3 | 
| QEA | Query Error/Status String (ASCII Query) . . . | . . . . . See Section 7.5.3 | 
| QC | Query Last Command | . . . . . See Section 7.5.4 | 
| C4 Manual Rev 7.5.2 | 17 | 
