Hal Communications CWR6850 User manual

CWR6850
TELEREADER
INSTRUCTION
MANUAL
QUALITY COMMUNICATIONS EQUIPMENT
April, 1982 Printing

CONTENTS
INTRODUCTION ............................................................................... 4
CHAPTER 1 UNPACKING AND INSPECTION ..................................... 5
CHAPTER 2 SIMPLE HOOK-UP AND OPERATION
2.1 Connections to t e CWR6850 ............................. 7
2.2 Presetting CWR6850 controls ............................. 8
2.3 Presetting t e transceiver controls ...................... 9
2.4 RTTY operation ................................................. 9
2.5 Morse operation ................................................ 10
CHAPTER 3 RECEIVING WITH THE CWR6850
3.1 Connecting t e CWR6850 to your Receiver .......... 12
3.2 Receiving RTTY signals ...................................... 13
3.3 Low tones or ig tones? ................................... 15
3.4 Receiving Morse code ........................................ 17
CHAPTER 4 TRANSMITTING WITH THE CWR6850
4.1 T e keyboard ................................................... 19
4.2 Transmitting features ......................................... 20
4.3 Use of t e HERE-IS message .............................. 23
4.4 Special considerations w en transmitting Morse ... 26
4.5 Special considerations w en transmitting Baudot . 28
4.6 Special considerations w en transmitting ASCII ... 30
4.7 HDX / FDX operation ......................................... 33
4.8 T e KOS feature ................................................ 34
CHAPTER 5 CONNECTIONS TO THE CWR6850 ................................. 35
5.1 Normal Amateur Station connections .................. 36
5.2 Use of t e TTL Data connections ........................ 37
5.3 Use of t e SW-OUT FSK connection .................... 37
5.4 Use of a different keyboard ................................ 38
5.5 Connection of an ASCII Printer ........................... 38
5.6 Connection of an Audio Tape Recorder ................ 39
5.7 RTTY tuning Oscilloscope connections ................. 39
5.8 Using a Television Set as a monitor ..................... 40
5.9 RF-Induced Problems ........................................ 42
CHAPTER 6 IN CASE OF DIFFICULTY
6.1 Care and feeding of your CWR6850 .................... 47
6.2 Typical operational problems .............................. 48
6.3 Repair Procedures ............................................. 49
6.4 User adjustments .............................................. 50
CHAPTER 7 SPECIFICATIONS ......................................................... 54
APPENDIX A CWR6850 KEYBOARD CONTROL COMMAND LIST ........... 58
APPENDIX B CWR6850 DISPLAY FORMAT ......................................... 60
ADDENDUM ...................................................................................... 63

ILLUSTRATIONS
Figure 1 T e CWR6850 ............................................................. 4
Figure 2 Simplified CWR6850 Connections .................................. 6
Figure 3 T e CWR6850 keyboard ............................................... 19
Figure 4 Connections to t e CWR6850 ........................................ 35
Figure 5 KOS circuit connections ................................................ 36
Figure 6 Typical Video Detector .................................................. 41
Figure 7 Modified Video Detector ............................................... 41
Figure 8 RFI Reduction tec niques ............................................. 42
Figure 9 PFI Power line filters .................................................... 44
Figure 10 Test points and user-adjustable controls ........................ 51
TABLES
TABLE 1 CONTINENTAL MORSE CODE ........................................ 27
TABLE 2 BAUDOT DATA CODE .................................................... 29
TABLE 3 DISPLAY SYMBOLS FOR THE ASCII CODE ...................... 32
TABLE 4 ASCII DATA CODE ........................................................ 33

PAGE 4
INTRODUCTION
T is manual describes t e installation and operation of t e HAL CWR6850 Telereader Portable
RTTY/CW Terminal. T e tec nical details wit sc ematic diagrams are described in a second publi-
cation, t e CWR6850 Customer Maintenance Manual, available separately from HAL Communica-
tions Corp. or its designated dealers and representatives.
T e features of t e CWR6850 ave been designed for convenient and straig tforward customer
use; many features are self-explanatory from a close examination of t e CWR6850 front panel,
rear panel, screen display or t e keytops. However, like many sop isticated electronic devices,
t ere are some features and operator tec niques w ic you may not understand until you ave
read t is manual. You s ould plan to devote several ours to becoming familiar wit your
CWR6850.
However, t ere are many obbyists, including t e writer, w o are eager to try t e new "gadget"
and lack t e patience to plow t roug c apters of tec nical talk wit out at least turning it on and
trying out somet ing. T erefore, for t e eager and impatient new owners, we offer C apter 2 –
SIMPLE HOOK-UP AND OPERATION. After you ave your CWR6850 running as described in C ap-
ter 2, please t en sit down and read t e rest of t e manual; you'll find t e CWR6850 will do a lot
more t ings t an can be outlined in t e simplified instructions.
Please note t e contents of APPENDIX A and APPENDIX B in particular. You will probably refer
t ese pages often as you study t is manual.
Figure 1 T e CWR6850
(On t is picture a newer keyboard is s own as described in t is manual)

CHAPTER 1 PAGE 5
CHAPTER 1
UNPACKING AND INSPECTION
W en you unpack your CWR6850, carefully inspect t e s ipping carton and eac cabinet for s ip-
ping damage. Any evidence of s ipping damage s ould be immediately reported to your supplying
dealer or s ipping carrier. Be sure to save all packing materials if damage is found – t e s ipping
carrier will want to inspect t em for any insurance claim. Before discarding t e packing materials
c eck t at all parts and accessories are accounted for. C eck t e accessories against t e following
list. If any are found missing, double-c eck t e packing for loose parts and t en notify eit er your
dealer or HAL Communications Corp. of t e s ortage. Please specify t e HAL part number!
Accessory parts:
1 - 333-10000 DC Power Cord
4 - 310-35012 P ono Pin Plug
1 - 770-20009 2 Ampere fuse
1 - 333-00030 Mini-p one Plug
1 - 870-06850 CWR6850 USER MANUAL
In addition to t e furnis ed accessories listed above, you may wis to purc ase t e mating printer
connector, HAL No. 332-12000, for $10.00 eac .