Digitimer DS4 Operator's Manual page 4

DS4 Bi-phasic Stimulus Isolator
Frequency Response ....................................................................................... 12
Inactivity Sensor ................................................................................................ 13
Internal Jumper Selection ................................................................................... 14
Battery Life ........................................................................................................ 15
Battery Testing ................................................................................................... 16
Battery Replacement .......................................................................................... 16
Rack Mounting ................................................................................................... 16
References ............................................................................................................. 17
DS4 Specifications .................................................................................................. 18
Warranty ............................................................................................................... 19
Obtaining Warranty Service ................................................................................. 19
Product change or discontinuation ....................................................................... 19
Operator Notes ...................................................................................................... 20
Figure 1 The DS4 Bi-phasic Stiimulus Isolator. ............................................................. 5
Figure 2 Positioning of the DC power supply socket on the DS4. ................................... 9
Figure 3 The POWER zone of the DS4 front panel. ....................................................... 9
Figure 4 The GATE zone of the DS4 front panel. ......................................................... 10
Figure 5 The INPUT zone of the DS4 front panel. ....................................................... 10
Figure 6 The OUTPUT zone of the DS4 front panel. ................................................... 11
Figure 7 Graph of deliverable current (hatched area) depending upon load. ............... 11
Figure 8 Method to monitor current actually delivered. ............................................... 12
Figure 9 Frequency Response Characteristics. ........................................................... 13
Figure 10 Effect of the inactivity sensor on stimulus initiation. .................................... 14
Figure 11 Location of the internal jumpers. ............................................................... 14
Table 1 Expected "Control" battery life. .................................................................... 15
Table 2 Expected "Stimulus" battery life. ................................................................... 15
Figure 12 DS4 battery compartment labelling. ........................................................... 16
Digitimer Ltd.
Index of Figures & Tables
4 of 21
DS4 Operator's Manual Issue 1.1
Copyright 2019