Page 1
Model A3-R Operation And Service Manual MODEL A3-R Quartz Oscillator Frequency Standard USER’S HANDBOOK Quartzlock UK Ltd Gothic, Plymouth Road, Totnes, Devon TQ9 5LH, England. Tel: +44 (0) 1803 862062 Fax: +44 (0) 1803 867962 Web: www.quartzlock.com E-mail: quartzlock@quartzlock.com A3-R Manual 14 May 2002...
Page 2
Model A3-R Operation And Service Manual Contents Safety Considerations......................3 Voltage, Frequency and Power Characteristics ..............4 Environmental Conditions ....................4 Replaceable Fusing Characteristics..................4 Cleaning Instructions ......................4 Model A3-R Quartz Frequency Standard................5 Internal Switched-Mode Power Supply ................5 Appendix..........................6 A3-R Manual 14 May 2002...
Page 3
Model A3-R Operation And Service Manual Safety Considerations General This product and related documentation must be reviewed for familiarisation before operation. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the instrument may be impaired.
Page 4
Model A3-R Operation And Service Manual For continued protections against fire, replace the line fuse(s) with fuses of the same current rating and type (for example, normal blow time delay). Do not use repaired fuses of short-circuited fuse holders. Voltage, Frequency and Power Characteristics...
Page 5
EITHER Return the unit to Quartzlock for re – adjustment against the hydrogen maser there OR If a high accuracy frequency standard is locally available, remove the six lid –...
Page 6
Model A3-R Operation And Service Manual Appendix A3-R Manual 14 May 2002 Page 6 of 6...
Need help?
Do you have a question about the A3-R and is the answer not in the manual?
Questions and answers