Sigma C4 TABLE OF CONTENTS

C4 Manual Rev 7.5.2

TABLE OF CONTENTS

1. INTRODUCTION ................................................. 9

1.1 Models C4 & CC-3.5 Explained ................................. 9

1.2 General Description ........................................ 10

1.3 Custom Features / Interchangeability WARNING .................. 11

1.4 Release 7.5.2 Firmware ..................................... 11

1.5 C4 vs. CC-3 Differences (What’s New) ......................... 12

1.5.1 Hardware & Stability Improvements ..................... 12

1.5.2 Hardware Change (EEPROM replaces BBSRAM) .......... 12

1.5.3 Firmware Uploads ................................... 13

1.5.4 Forced Start from PROM Firmware ..................... 13

1.5.5 Front Panel Information Display at Startup ................ 13

1.5.6 Temperature Out of Range Shutdown ................... 13

1.5.7 Internal Error Shutdown Conditions ..................... 14

1.5.8 Fahrenheit Temperature Scale Supported ................ 14

1.5.9 Temperature Probe Correction (Calibration) ............... 14

1.5.10 “Bumpless” Temperature Control ...................... 14

1.5.11 Intelligent 2 Probe Control (Probe Averaging) ............ 15

1.5.12 Default Setup Parameters Restore..................... 16

1.5.13 Program Mode Step Insert & Delete .................... 16

1.5.14 Program Mode Any Step Points to Step 100 ............. 16

1.5.15 Program Mode Safer Program Clear ................... 16

1.5.16 Program Mode Run Time Program Pre-check ............ 16

1.5.17 Remote Mode EIA-232 Baud Rate Improvement .......... 16

1.5.18 Remote Mode EIA-232 Port Initialization ................ 17

1.5.19 Remote Mode Fault Tolerant Parser .............. 17

1.5.20 Remote Mode System Information Queries .............. 17

1.5.21 Remote Mode Operation Information Queries ............ 17

1.5.22 Remote Mode Setup Parameter Commands ............. 18

1.5.23 Remote Mode IEEE-488 (GPIB) Monitoring .............. 18

1.5.24 Setup Mode Easier Parameter Access .................. 18

2. PHYSICAL DESCRIPTION......................................... 19

2.1 Front Panel ............................................... 19

2.1.1 Digital LED Display.................................. 19

2.1.2 LED Indicators ..................................... 19

2.1.3 Mode Switch ....................................... 20

2.1.4 Keyboard ......................................... 21

2.2 Rear Panel Connections .................................... 22

3. GENERAL OPERATION & ERROR CONDITIONS ...................... 23

3.1 Startup Displays ........................................... 23

3.1.1 Model Number and Firmware Version Number Display ...... 23

3.1.2 Temperature Range Display ........................... 23

3.1.3 Serial Number Display................................ 24