PHOTO RESEARCH SpectraDuo PR-680 User manual

PR-680/680L SpectraDuo®
User Manual
PHOTO RESEARCH INC.
The Light Measurement People®
7279 William Barry Blvd.
North Syracuse, NY 13212
Phone: (315) 701 - 0678
FAX: (315) 701 - 0679
Email: [e-mail]
URL: www.photoresearch.com

Notice
The information contained in this document is subject to change without notice. If there are any questions
pertaining to the use of this system, contact PHOTO RESEARCH.
PHOTO RESEARCH shall not be liable for errors contained herein or for incidental consequential damages in
connection with the furnishing, performance, or use of this system.
This document contains proprietary information that is protected by copyright. All rights are reserved
worldwide. No part of this document may be reproduced photographically, electronically or by any other means
without the express written permission of the President of PHOTO RESEARCH. Patents Pending.
©2006 - 2017 by PHOTO RESEARCH, Inc. All rights reserved worldwide.
PR is a registered trademark of PHOTO RESEARCH, Inc.
PHOTO RESEARCH, Inc. is a registered trademark of PHOTO RESEARCH, Inc.
Pritchard is a registered trademark of PHOTO RESEARCH, Inc.
Automatic Adaptive Sensitivity is a registered trademark of PHOTO RESEARCH, Inc.
Windows is a registered trademark of Microsoft.
Document #: 9903-0006-66 Rev. C
Version Date: 03/17/17
Printed in Syracuse, NY U.S.A.

Customer Support
PHOTO RESEARCH, Inc. has support services available to users in case of problems using the
PR-680/680L.
PHOTO RESEARCH, Inc. personnel are available from 8:00 AM to 4:30 PM (Eastern Time) Monday through Friday,
except legal holidays, to aid in technical support.
Call [phone], FAX: [phone] or e-mail: for technical support - [e-mail] for
instrument repair or calibration [e-mail] for technical support. If calling, please have the
following information ready:
•Instrument Model
•Instrument Serial Number
•This manual
•Any printed data you feel might aid in resolving the problem - such as test data.

PR-680/680L User Manual
i
Table of Contents
Introduction................................................................................................................................................................1
Standard Equipment.................................................................................................................... 1
System overview.........................................................................................................................................................1
LCD screen ................................................................................................................................... 2
System Information............................................................................................................ 2
Graphical User Interface (GUI) ........................................................................................... 3
Title Bar .............................................................................................................................. 5
System Status Icons............................................................................................................ 5
Command Bar..................................................................................................................... 6
Back Button ........................................................................................................................ 6
Making Measurements....................................................................................................... 6
Viewing Measurements...................................................................................................... 6
I/O ports....................................................................................................................................... 7
1. Remote Head Port ................................................................................................... 7
2. External Trigger Connector...................................................................................... 8
3. Power Connector..................................................................................................... 9
1. Mini USB 1.1 Connector .......................................................................................... 9
2. RS-232 Connector - optional ................................................................................. 10
3. Analog Output Connector - Optional..................................................................... 10
Battery ....................................................................................................................................... 12
Inserting the Battery......................................................................................................... 13
Removing the Battery....................................................................................................... 13
Connecting the AC Adapter.............................................................................................. 14
Charging the Battery ........................................................................................................ 14
Standard Objective Lens............................................................................................................ 15
Installing and /Removing the Standard Lens.................................................................... 15
Removing the Objective Lens........................................................................................... 16
Installing the Objective Lens ............................................................................................ 16
Software..................................................................................................................................... 17
Optical Accessories .................................................................................................................... 18
Instrument Storage.................................................................................................................... 19
Basic Setup Procedures ........................................................................................................................................... 20
Before you Begin Using the Instrument .................................................................................... 20
Calibrating the Touch Screen Display............................................................................... 20
Setting Instrument Preferences ....................................................................................... 21
Instrument Setup Instructions................................................................................................... 25
File Settings................................................................................................................................ 26
Accessing the File Setting Screen ..................................................................................... 26
SD File Field ...................................................................................................................... 26
Creating a New Measurement File................................................................................... 27

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Deleting a Measurement File ........................................................................................... 28
Renaming a Measurement File......................................................................................... 28
Auto Save.......................................................................................................................... 29
Auto Save on Shutdown ................................................................................................... 29
Explorer Settings........................................................................................................................ 29
Accessing the Explorer Settings Screen............................................................................ 29
Current View..................................................................................................................... 30
Recalling measurements stored on SD card..................................................................... 30
Utilities......................................................................................................................................... 2
Restoring Calibration/Illuminants ...................................................................................... 2
Updating Firmware............................................................................................................. 3
Advanced Setup........................................................................................................................... 4
One Time PMT Calibration ................................................................................................. 4
Custom Spectral Calibration............................................................................................... 5
CIE Pass / Fail (Optional)..................................................................................................... 8
Theory of Operation...................................................................................................................................................1
Spectroradiometer....................................................................................................................... 1
Photometer.................................................................................................................................. 4
PMT Calibration.................................................................................................................. 4
Modifying the Factor Manually.......................................................................................... 4
Measurements ...........................................................................................................................................................6
Measurement Modes .................................................................................................................. 6
Standard Mode................................................................................................................... 6
L*u*v* / L*a*b* Modes ..................................................................................................... 6
RGB Display Cal................................................................................................................... 9
Main Instrument Setup Screen.................................................................................................. 15
Setting the Sensor Mode.................................................................................................. 15
Setting the Auto Select Max. Exposure ............................................................................ 16
Selecting an Aperture....................................................................................................... 16
Selecting a Primary Accessory.......................................................................................... 17
Selecting an Add-on Accessory......................................................................................... 17
Spectroradiometer Setup .......................................................................................................... 17
Setting Adaptive Exposure Time ...................................................................................... 18
Setting a Fixed Exposure Time.......................................................................................... 18
Setting the Number of Measurements to Average.......................................................... 19
Setting Smart Dark Mode................................................................................................. 19
Setting the Instrument Sensitivity Range......................................................................... 20
Setting the SYNC Mode .................................................................................................... 20
Photometer Setup ..................................................................................................................... 22
Setting the Adaptive Mode .............................................................................................. 22
Setting Number of Measurements to Average ................................................................ 22
Neutral Density (ND) Filter (option) ................................................................................. 23

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Setting the Gain................................................................................................................ 23
Gain Maximum (PR-680L)................................................................................................. 23
Max. Time (PR-680L) ........................................................................................................ 23
Setting the Frequency Response...................................................................................... 23
Enabling Analog Output ................................................................................................... 24
Setting the Measure Shutter State................................................................................... 24
Measurement Types.................................................................................................................. 24
Luminance / Radiance ...................................................................................................... 24
Illuminance / Irradiance ................................................................................................... 29
Luminous / Radiant Intensity ........................................................................................... 33
Luminous / Radiant Flux................................................................................................... 36
Standard Illuminants.................................................................................................................. 39
Timed Measurements................................................................................................................ 40
Setting Timed Measurements Parameters....................................................................... 40
Connectivity............................................................................................................................................................. 42
USB............................................................................................................................................. 42
Installing the USB Driver (Windows XP only) ................................................................... 42
USB Hub Type................................................................................................................... 45
Determining USB Hub Power on Windows XP ................................................................. 45
Setting USB Hub Type....................................................................................................... 47
Bluetooth* (optional) ................................................................................................................ 48
Installing the (Photo Research supplied) Bluetooth Adapter Driver on Host .................. 48
Enable/Disable Bluetooth................................................................................................. 54
Bluetooth Discovery Mode............................................................................................... 55
Pairing PR-680/680L with a HOST .................................................................................... 56
RS-232 (optional) ....................................................................................................................... 60
Hardware Protocol ........................................................................................................... 60
Selecting RS-232 Baud Rate.............................................................................................. 61
Remote Mode.......................................................................................................................................................... 62
Installing the USB Driver............................................................................................................ 62
Using Remote Control Commands............................................................................................. 63
Entering Remote Mode.............................................................................................................. 66
Remote Control Command Summary........................................................................................ 67
Remote Control Command Detail.............................................................................................. 68
Setup Commands....................................................................................................................... 71
Measurement and Data Send Codes................................................................................ 78
Data Code Summary......................................................................................................... 79
Data Code Details............................................................................................................. 80
Remote Control Error Codes...................................................................................................... 88
Remote Control Measurement Errors.............................................................................. 88
Remote Control Parsing Errors......................................................................................... 88
Routine Maintenance.............................................................................................................................................. 90

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Cleaning Lenses / Optical Accessories ....................................................................................... 90
Cleaning Exterior Surfaces......................................................................................................... 90
Recalibration.............................................................................................................................. 90
Factory Repair............................................................................................................................ 91
In-Warranty Repair........................................................................................................... 91
Out-of-Warranty Repair ................................................................................................... 91
Specifications........................................................................................................................................................... 92
PR-680/680L Lens Chart............................................................................................................. 93
PR-680 Sensitivity Chart (Minimum Luminance)....................................................................... 93
PR-680L Sensitivity Chart (Minimum Luminance) ..................................................................... 94
PR-680/680L Outline Drawings.................................................................................................. 95

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Table of Figures
FIGURE 1-PR-680/680L SPECTRADUO®..........................................................................................................................1
FIGURE 6-PR-680/680L STARTUP SCREEN .......................................................................................................................2
FIGURE 2-PR-680/680L SYSTEM MENU..........................................................................................................................3
FIGURE 3-PR-680/680L TITLE BAR .................................................................................................................................5
FIGURE 4-PR-680/680L MEASUREMENT COMMAND BAR...................................................................................................6
FIGURE 5-PR-680/680L MEASUREMENT VIEW COMMAND BAR...........................................................................................6
FIGURE 7-PR-680/680L I/O PORT PANEL ........................................................................................................................7
FIGURE 8-AUXILIARY REMOTE HEAD CONNECTOR................................................................................................................7
FIGURE 9-EXTERNAL TRIGGER PIN-OUT..............................................................................................................................8
FIGURE 10 -SAMPLE EXTERNAL TRIGGER INPUT CIRCUIT DRIVERS............................................................................................8
FIGURE 11 -SAMPLE EXTERNAL TRIGGER OUTPUT CIRCUIT .....................................................................................................9
FIGURE 12 -PR-680/680L POWER CONNECTOR .................................................................................................................9
FIGURE 13 -MINI-B USB CONNECTOR...............................................................................................................................9
FIGURE 14 -PR-680/680L RS-232 OPTION ................................................................................................................... 10
FIGURE 15 -INSTRUMENT SETUP.................................................................................................................................... 11
FIGURE 16 -ANALOG OUTPUT SETUP (PR-680)............................................................................................................... 11
FIGURE 17 -PR-680/680L BATTERY COMPARTMENT CLOSE UP.......................................................................................... 12
FIGURE 18 -INSERTING THE BATTERY INTO THE PR-680/680L........................................................................................... 13
FIGURE 19 -REMOVING THE BATTERY FROM THE PR-680/680L......................................................................................... 13
FIGURE 20 -MS-75 OBJECTIVE LENS............................................................................................................................... 15
FIGURE 21 –SPECTRUM MEASURED BY THE PR-680/680L ..................................................................................................1
FIGURE 22 -PR-680/680L SIMPLIFIED BLOCK DIAGRAM .....................................................................................................1
FIGURE 23 –PR-680/680L SPECTROMETER ......................................................................................................................2
FIGURE 24 -CIE 1931 TRISTIMULUS FUNCTIONS.................................................................................................................3
FIGURE 82 -PMT CALIBRATION SCREEN.............................................................................................................................5
FIGURE 25 -STARTUP SCREEN........................................................................................................................................ 20
FIGURE 26 -SYSTEM MENU ........................................................................................................................................... 20
FIGURE 27 -CALIBRATE TOUCH SCREEN ........................................................................................................................... 21
FIGURE 28 -SYSTEM MENU .......................................................................................................................................... 21
FIGURE 29 -PREFERENCES MENU................................................................................................................................... 21
FIGURE 30 -POWER SAVING MENU................................................................................................................................ 22
FIGURE 31 -BRIGHTNESS AND CONTRAST SCREEN............................................................................................................. 22
FIGURE 32 -SOUNDS AND ALERTS SCREEN....................................................................................................................... 23
FIGURE 33 -DATE AND TIME SCREEN.............................................................................................................................. 24
FIGURE 34 -SYSTEM MENU .......................................................................................................................................... 25
FIGURE 35 -MAIN INSTRUMENT SETUP SCREEN ............................................................................................................... 25
FIGURE 36 -SPECTRORADIOMETER SETUP SCREEN ............................................................................................................ 25
FIGURE 37 -PHOTOMETER SETUP SCREEN ....................................................................................................................... 25
FIGURE 42 -SECURE DIGITAL CARD FILE SETTINGS............................................................................................................. 26
FIGURE 43 -MEASUREMENT FILE DOES NOT EXIST ON SD CARD....................................................................................... 27
FIGURE 44 -SD CARD NEW MEASUREMENT FILE NAME ENTRY ............................................................................................. 27
FIGURE 45 -SECOND CHARACTERS SET .......................................................................................................................... 28

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FIGURE 46 -MEASUREMENT FILE RENAME................................................................................................................... 28
FIGURE 47 -AUTO SAVE ON SHUTDOWN PROMPT ............................................................................................................. 29
FIGURE 48 -EXPLORER SETTINGS.................................................................................................................................... 30
FIGURE 49 -FILE EXPLORER ........................................................................................................................................... 30
FIGURE 83 -UTILITIES MENU............................................................................................................................................2
FIGURE 84 -PR-680/680L UTILITIES MENU.......................................................................................................................3
FIGURE 85 -PR-680/680L FIRMWARE UPDATE PROMPT ......................................................ERROR!BOOKMARK NOT DEFINED.
FIGURE 81 -ADVANCED SETUP MENU ...............................................................................................................................4
FIGURE 66 -L*U*V*SETUP SCREEN..................................................................................................................................7
FIGURE 67 -FILE RECALL SCREEN ......................................................................................................................................7
FIGURE 68 -STANDARD ILLUMINANTS SCREEN ....................................................................................................................7
FIGURE 69 -L*U*V*SETUP SCREEN ..................................................................................................................................8
FIGURE 70 -L*U*V*RESULT SCREEN ................................................................................................................................9
FIGURE 71 -RGB DISPLAY CAL SETUP SCREEN ................................................................................................................. 10
FIGURE 72 -RGB PHOSPHOR SELECT SCREEN................................................................................................................... 11
FIGURE 73 -SELECT RGB ILLUMINANT SCREEN................................................................................................................. 11
FIGURE 74 -RGB DISPLAY CAL SETUP SCREEN ................................................................................................................. 12
FIGURE 75 -YXY DATA ENTRY SCREEN............................................................................................................................ 13
FIGURE 76 -RGB DATA ENTRY ...................................................................................................................................... 14
FIGURE 77 -RGB MEASUREMENT SCREEN ...................................................................................................................... 14
FIGURE 38 -AUTO SELECT EXPOSURE DATA ENTRY ........................................................................................................... 16
FIGURE 39 –EXPOSURE TIME ENTRY SCREEN ................................................................................................................... 18
FIGURE 40 –MEASUREMENT AVERAGE ENTRY SCREEN...................................................................................................... 19
FIGURE 41 -SYNC PERIOD DATA ENTRY SCREEN .............................................................................................................. 21
FIGURE 50 -ILLUMINANCE /LUMINANCE CONCEPT........................................................................................................... 25
FIGURE 51 -MS-75 LENS ............................................................................................................................................. 25
FIGURE 52 -PR-680/680L /PR-680/680L FOCUSING.................................................................................................... 26
FIGURE 53 -APERTURE ALIGNMENT ............................................................................................................................... 26
FIGURE 54 -INSTRUMENT SETUP MENU.......................................................................................................................... 27
FIGURE 55 -FP-680 .................................................................................................................................................... 27
FIGURE 56 -LA-680 LUMINANCE ADAPTOR .................................................................................................................... 28
FIGURE 57 -ILLUSTRATION OF ILLUMINANCE .................................................................................................................... 29
FIGURE 58 -CR-680.................................................................................................................................................... 30
FIGURE 59 -ICC-680 INTEGRATING SPHERE .................................................................................................................... 31
FIGURE 60 -ILLUSTRATION OF LUMINOUS INTENSITY ......................................................................................................... 33
FIGURE 61 -LR-55 LED RECEPTOR ................................................................................................................................ 34
FIGURE 62 -LR-127 .................................................................................................................................................... 35
FIGURE 63 -IS-680 OUTER VIEW .................................................................................................................................. 36
FIGURE 64 –IS-680 INSIDE VIEW ................................................................................................................................... 37
FIGURE 65 -HEIGHT ADJUSTMENT............................................................................................................................ 38
FIGURE 78 -STANDARD ILLUMINANTS SCREEN ................................................................................................................. 39
FIGURE 79 -TIMED MEASUREMENTS SCREEN................................................................................................................... 40
FIGURE 80 -MEASUREMENT INTERVAL ENTRY FIELD ......................................................................................................... 41
FIGURE 86 -WINDOWS XP NEW HARDWARE WIZARD........................................................................................................ 42

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FIGURE 87 -PR-680/680L USB DRIVER INSTALL............................................................................................................. 43
FIGURE 88 -PR-680/680L USB DRIVER LOCATION SELECTION. ......................................................................................... 43
FIGURE 89 -WINDOWS XP COMPATIBILITY WARNING FOR PR-680/680L USB DRIVER. ........................................................ 44
FIGURE 90 -PR-680/680L USB DRIVER INSTALL COMPLETE.............................................................................................. 44
FIGURE 91 -SYSTEM PROPERTIES SCREEN........................................................................................................................ 45
FIGURE 92 -USB POWER SCREEN .................................................................................................................................. 46
FIGURE 93 -BLUETOOTH/USB CONNECTIVITY MENU......................................................................................................... 47
FIGURE 94: BLUETOOTH TOPOLOGY................................................................................................................................ 48
FIGURE 95 -PR-6XX INSTALLER..................................................................................................................................... 49
FIGURE 96 -PR-6XX INSTALLER LICENSE AGREEMENT SCREEN............................................................................................ 49
FIGURE 97. PR-6XX USB DRIVER INSTALL LOCATION README. .......................................................................................... 50
FIGURE 98 -PR-6XX INSTALLER INSTALL DIRECTORY SELECTION. ......................................................................................... 50
FIGURE 99 -PR-6XX INSTALLER NON DEFAULT DIRECTORY SELECTION. ................................................................................. 50
FIGURE 100 -PR-6XX UTILITIES COMPONENT SELECTION................................................................................................... 51
FIGURE 101 -PR-6XX INSTALLER START INSTALLATION. ..................................................................................................... 51
FIGURE 102 -PR-6XX UTILITIES INSTALLATION FINISH. ...................................................................................................... 51
FIGURE 103 -WIDCOMM BLUETOOTH SOFTWARE INSTALLER. ......................................................................................... 52
FIGURE 104 -WIDCOMM DRIVER INSTALLATION COMPLETED. ......................................................................................... 52
FIGURE 105 -MY BLUETOOTH PLACES ICON.................................................................................................................... 52
FIGURE 106 -INITIAL BLUETOOTH CONFIGURATION WIZARD.............................................................................................. 53
FIGURE 107 -DEVICE NAME AND TYPE SELECTION. ........................................................................................................... 53
FIGURE 108 -BLUETOOTH SERVICE SELECTION................................................................................................................. 54
FIGURE 109 -BLUETOOTH FIND DEVICE PROMPT.............................................................................................................. 54
FIGURE 110 -INITIAL CONFIGURATION WIZARD COMPLETE. ............................................................................................... 54
FIGURE 111 -BLUETOOTH/USB CONNECTIVITY MENU....................................................................................................... 55
FIGURE 112 -BLUETOOTH/USB CONNECTIVITY MENU....................................................................................................... 56
FIGURE 113 -BLUETOOTH DISCOVERABLE DURATION INPUT................................................................................................ 56
FIGURE 114 -BLUETOOTH CONNECTIVITY SETUP WINDOW................................................................................................. 57
FIGURE 115 -MY BLUETOOTH PLACES. .......................................................................................................................... 57
FIGURE 116 -REMOTE HOST DEVICE SEARCH WIZARD. ..................................................................................................... 58
FIGURE 117 -BLUETOOTH SETUP WIZARD DEVICE NAME AND COM SELECTION SCREEN .......................................................... 58
FIGURE 118 -BLUETOOTH PIN CODE REQUEST................................................................................................................. 59
FIGURE 119 -PR-680/680L ICON IN MY BLUETOOTH PLACES,WHEN NOTCONNECTED TO THE INSTRUMENT ........................... 60
FIGURE 120 -PR-680/680L RS-232 OPTION............................................................................................................... 60
FIGURE 121 –RS-232 CONNECTIVITY,BAUD RATE SETUP ................................................................................................. 61
FIGURE 122 -PR-680/680L USB CONNECTOR................................................................................................................ 63
FIGURE 123 -HYPER TERMINAL CONNECTION DESCRIPTION MENU ...................................................................................... 63
FIGURE 124 -COM PORT SELECTION IN HYPER TERMINAL ................................................................................................. 64
FIGURE 125 -MY COMPUTER PROPERTIES RIGHT CLICK DROP DOWN OPTION ........................................................................ 64
FIGURE 126 -SYSTEM PROPERTIES MENU........................................................................................................................ 65
FIGURE 127 -WINDOWS XP DEVICE MANAGER ................................................................................................................ 65
FIGURE 128 -WINDOWS XP COM PROPERTIES WINDOW.................................................................................................. 66

PR-680/680L User Manual
1
INTRODUCTION
The PR-680/680L is the newest addition to the already world renowned SpectraDuo® colorimeter series
of instruments. This unique, portable battery powered instrument utilizes a fast-scanning photo diode
array and a filtered photomultiplier making it the only combined self-scanning Spectroradiometer and
filter photometer. It also features a 3.5” color touch screen display, and AutoSync®for automatically
synchronizing to the source refresh rate insuring the utmost accuracy. Other features include an
external trigger port allowing remote measurement activation from a push button or peripheral device,
a Secure Digital (SD) card for measurement storage, and a long lasting rechargeable Lithium-ion (Li-Ion)
battery for more than 12 hours of operation. Four automated apertures, two measurement sensitivity
modes (Standard and Extended), and four measurement speed modes (Normal, Fast, 2X Fast and 4X
Fast) provide enhanced data capture capabilities.
STANDARD EQUIPMENT
oPR-680 or PR-680L SpectraDuo®
oMS-75 Lens
o4 Measuring Apertures –1°, 1/2°, 1/4°, 1/8
oUSB 1.1 Port
oSecure Digital (SD) Card
oBP-680 - Rechargeable Lithium-Ion battery pack
oAC-680-6 –6’ Universal input AC Adapter
oCD with drivers and Instruction Manual
oSS-CC-680 Soft-sided Carrying Case
oNIST Traceable Calibration (certified for six months)

PR-680/680L User Manual
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SYSTEM OVERVIEW
FIGURE 1 - PR-680/680L SPECTRADUO®
Reference
Description
Function
Reference
Description
Function
1
Objective Lens
Focusing on target
8
3.5” LCD
Data/Navigation
2
View Finder
Shutter Control
Open/Close view
finder
9
SD Slot
Data storage
3
View Finder
View target /
measuring aperture
10
Analog Output
Monitor PMT Signal
4
Measure Switch
Execute
measurement
11
I/O Connector
Panel
Instrument connection
panel.
5
Power Switch
Turn On (I) / Off (O)
unit
12
Battery Door &
Latch
Location for Li-Ion
battery pack
6
Status Indicators
Instrument
status indicators
13
Bluetooth
Antenna
Optional wireless
connectivity.
P-Power
C- Charge
F- Fault
7
5-Way Navigation
Up, Down, Left,
Right, and Enter
TABLE 1 - PR-680/680L FUNCTIONAL OVERVIEW
4

PR-680/680L User Manual
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LCD SCREEN
The PR-680/680L features an on-board, 3.5” high resolution, full color touch screen LCD display. The area visible
to the user is called the active area. The active area of the LCD display contains the graphical user interface of
the PR-680/680L. All setup options and measurements including spectral graphs can now be controlled and
viewed directly on the vivid color display.
SYSTEM INFORMATION
The system status screen, is displayed when the unit is powered on, and shows system information such as serial
number, calibration due date, firmware version, and instrument bandwidth. This screen can be viewed at any
time by navigating to:
Menu → System Information
FIGURE 2 - PR-680/680L STARTUP SCREEN

PR-680/680L User Manual
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GRAPHICAL USER INTERFACE (GUI)
The Graphical User Interface, or GUI, is presented on the active area of the display. The GUI allows the user to
navigate through the PR-680/680L’s menu system.
FIGURE 3 - PR-680/680L SYSTEM MENU
Item
Description
1
Title bar
2
Active pane
3
Command bar
TABLE 2 - GUI PANE DESCRIPTION
1
2
3
ACTIVE
AREA

PR-680/680L User Manual
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The flow of the menu navigation on the PR-680/680L is similar to that of a tree structure. In a tree structure
there are roots and from the roots exist branches (sub menus), indicated by the following icon ( ) which have
more branches or end nodes (leafs). Traversing back to the root is as simple as clicking on the back ( )
icon, located at the bottom right corner of the GUI.
The following example depicts the tree structure mentioned, by navigating to the Date & Time setup screen
from System Menu.
Navigation Steps:
Preferences → Date & Time
Root
From System Menu navigate to and select
Preferences.
Branch
From Preferences navigate to and select Date &
Time.
End Node (Leaf)
To traverse back to the System Menu, simply click the Back button twice.

PR-680/680L User Manual
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TITLE BAR
The title bar displays the current active menu location (1) and critical system information status (2). A detailed
list of system status icons can be found in the system status section of this manual.
FIGURE 4 - PR-680/680L TITLE BAR
SYSTEM STATUS ICONS
The system status icons display current instrument state and status. They are triggered either by a selection
made in the instrument setup section or by the instrument. Below are all system status icons and their
corresponding indication.
Battery Charge %
ICON DESCRIPTION
Green w/ 2½ bars
100% Charge
Green w/ 1½ bars
66% Charge
Yellow w/½ bar
33% Charge
Orange w/½ bar blinking
Low Battery
Bluetooth
Bluetooth Enabled
Blinking
Bluetooth Discoverable Mode
Green
Bluetooth Connection Established
Sync
No Icon
Manual Sync Mode (20 –400 Hz)
Sync Disabled
Automatic Sync
Auto Save
No Icon
Auto Save to SD card disabled.
Auto Save On & SD Card Detected.
Auto Save on & No SD card detected.
TABLE 3 - PR-680/680L STATUS ICON LIST
Detailed information pertaining to the system status icons can be found in their respective sections of the
manual.
1
2

PR-680/680L User Manual
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COMMAND BAR
The command bar is located at the bottom of the GUI, and displays the appropriate navigation and control
buttons based on the active pane. There are three main expected command bar views:
BACK BUTTON
Whenever the back button is displayed, the user can traverse back to the previous menu or, if desired,
back to the root. The button also serves Saves current selections when in Instrument Setup and
Preferences.
MAKING MEASUREMENTS
After a measurement is executed or while it is in progress, the Command Bar displays the following icons. The
following functions can be executed:
FIGURE 5 - PR-680/680L MEASUREMENT COMMAND BAR
1) Navigate Back to the previous menu screen.
2) Abort a measurement.
3) Save measurements to the SD card
4) Navigate through measurement results screen .
5) Display Line or Hist. (histogram) plot when in the Spectral measurement results screen.
VIEWING MEASUREMENTS
When at the root Measurement Screen, the user can navigate through the measurements in RAM or the SD card
using the following command bar. Note that all measurements in RAM will be lost when the unit is powered off.
FIGURE 6 - PR-680/680L MEASUREMENT VIEW COMMAND BAR
From the command bar, the user can execute the following:
1) Navigate to Prev (previous) measurement in RAM or SD card.
2) Navigate to Next measurement in RAM or SD card.
3) Jump to a particular measurement in RAM or SD card using Go To.
4) Navigate through measurement results screen .
5) Display Line or Hist. (histogram) plot when in the appropriate measurement results screen

PR-680/680L User Manual
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I/O PORTS
The I/O port panel is located on the left side of the PR-680/680L instrument when looking from the rear of the
instrument. The panel consists of the following I/O connectors:
FIGURE 7 - PR-680/680L I/O PORT PANEL
Item
Description
1
Remote Head Connector
2
External Trigger Connector
3
Power Connector
4
Analog Output (optional)
5
USB Connector
6
RS-232 Connector (optional)
TABLE 4 - I/O PORT DESCRIPTION
1. REMOTE HEAD PORT
The PR-680/680L is equipped with an 8-pin mini din connector for connection to auxiliary PR-514 and
PR-515 remote heads.
FIGURE 8 - AUXILIARY REMOTE HEAD CONNECTOR
A maximum of 15 auxiliary remote heads in a daisy chain configuration can be connected to the PR-680/680L
instrument using this port. Please consult the factory for all available remote head options.
1
2
3
4
5
6

PR-680/680L User Manual
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2. EXTERNAL TRIGGER CONNECTOR
The PR-680/680L is equipped with a 6 pin mini-din connector that can be utilized for externally triggering a
measurement, and subsequently sending a signal (simple DC signal or pulse) to a source capable of being
externally triggered - such as a xenon strobe lamp.
FIGURE 9 - EXTERNAL TRIGGER PIN-OUT
PIN #
NAME
FUNCTION
1
VDD
5V @ 25mA Max.
2
GND
Ground
3
IN
Trigger Input –Contact Closure,
4
SPARE
N/C
5
OUT +
Trigger Output high side
6
OUT -
Trigger Output low side
TABLE 5 - PR-680/680L EXTERNAL TRIGGER PIN OUT
The following examples show sample driving circuits for the external trigger input and output.
FIGURE 10 - SAMPLE EXTERNAL TRIGGER INPUT CIRCUIT DRIVERS

PR-680/680L User Manual
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FIGURE 11 - SAMPLE EXTERNAL TRIGGER OUTPUT CIRCUIT
3. POWER CONNECTOR
The PR-680/680L power (AC Adapter) supply connector. The unit can also be powered using the standard Li-Ion
battery pack.
FIGURE 12 - PR-680/680L POWER CONNECTOR
1. MINI USB 1.1 CONNECTOR
The PR-680/680L is equipped with a Mini-B USB connector, providing remote communication. The USB
interface can also be used to charge the instrument battery when plugged into an active PC.
FIGURE 13 - MINI-B USB CONNECTOR