Specifications

Table of Contents
1
TABLE OF CONTENTS
CONDENSED INFORMATION
Safety and Preparation for Use 3
Specifications 5
Menu Display List 7
Abridged Command List 9
INSTRUMENT OVERVIEW
Signal Inputs / Discriminators 11
Counting 12
Gating 13
Count Modes 14
Outputs 14
Measurement Examples 17
OPERATION
Front Panel Summary 21
Power 21
Liquid Crystal Display 21
Menu Keys 21
Spin Knob 21
Start, Stop, and Reset 21
Instrument Status 22
Counter LED's 22
Inputs 22
Outputs 22
Rear Panel Summary 24
Power Entry Module 24
IEEE-488 Port 24
RS-232 Connector 24
Input 24
Output 24
Front Panel Menus 25
Mode Menu 25
Level Menu 27
Gate Menus 30
Setup Menu 31
Com Menu 31
INSTRUMENT SETUPS
Default Setup / Power On Clear 33
Quick Check 33
2 Photon Pile Up Correction 34
Gated Photon Counting 34
Synchronous or Chopped
Photon Counting 34
REMOTE PROGRAMMING
Communications 37
Command Syntax 37
Status LED's 38
RS-232 Echo 38
Try-out with ASCII Terminal 38
Detailed Command List 39
Mode 39
Levels 40
Gates 41
Front Panel 42
Interface 44
Store/Recall 45
Polled Data 45
Continuous Data 45
Examine Data 46
Status Byte 46
Secondary Status Byte 47
Errors / Data Window 47
Trouble Shooting Interface Problems 47
Common Hardware Problems 47
Common Software Problems 48
RS-232 INTERFACE
Data Communications Equipment 49
Echo 49
Wait Command 49
Termination Sequences 49
Example Programs 49
Microsoft BASIC 50
Microsoft FORTRAN 51
GPIB (IEEE-488) INTERFACE
GPIB Capabilities 53
Serial Polls and Service Requests 53
Example Programs 53
Microsoft BASIC 54
Microsoft C 56
TROUBLESHOOTING
LCD Contrast 59
Fan 59
Front Panel Test 59
Power On Reset 59
Quick Test 59
Counting 60
CALIBRATION AND REPAIR
Signal Input Offset 61
Signal Input Repair 61