Operator's Manual
DS7A - Constant Current Stimulator
Rear Panel Controls
1. Mains inlet. Connect only to correct mains supply using supplied lead with moulded mains plug.
THIS UNIT MUST BE EARTHED. The mains lead must contain the PROTECTIVE EARTH
CONDUCTOR.
2. Mains fusing. Remove mains lead before opening. For continued electrical and fire safety, the
correct fuses must be fitted before use of the unit.
3. Voltage selector allowing selection of local mains supply (115 or 230V). This must be correctly set
before application of mains power to the unit.
4. Protective Earth Terminal (PET). This is an extra Earthing terminal to the PROTECTIVE EARTH
CONDUCTOR that is the third wire in the mains cable. It is fitted to allow an earth reference for the
unit and bonding point for connection to a POTENTIAL EQUALISATION CONDUCTOR.
5. Footswitch input allowing a footswitch to be used to trigger the unit.
6. TRIGGER IN socket that allows an external voltage change to trigger the unit (Logic signal (+3 to
+15V) +ve edge, TTL compatible).
7. TRIGGER OUT socket that provides a trigger output pulse whenever the unit receives a valid
TRIGGER IN.
8. Position of Serial Number label that contains the MOD. RECORD status.
A blank serial number label showing the MOD RECORD STATUS area.
Digitimer Ltd.
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Copyright © 2014
File Ref: N:\Docs\Company\Manuals\DS7A\Issue-14\DS7A-iss14.odt
Last Revised: February 1, 2017
