SHIMPO 921A - Manual (Page 49)

D.2
TRICOR Systems Inc.
Step 2 Connect the Drive Mechanism to the rear panel connector per
section 2 of the 921A User's Manual. Connect the ac power
cord to the unit and to primary power source. Place the
SERVICE/RUN switch on the unit rear panel in the SERVICE
position. Turn on the unit.
The Service Mode is used to perform the calibration/adjustment.
The Service Mode requires pressing the TEST/READY switch
on the front panel to increment or step through the various
service mode display screens. The TEST/READY switch must
be depressed and held for at least 1 second prior to release to
ensure the unit will recognize that the switch is pressed.
Step 3 After successful completion of the power-up self-test, the unit
displays the Force Calibration Mode message. The Force
Calibration will not be performed as part of this procedure.
However, the unit must be sequenced through the Service Mode
Force Calibration screens by pressing the TEST/READY switch
on the front panel.
Press TEST/READY once - Force Offset Value displayed
Press TEST/READY again - Platform moves until Force Cal
Value is reached and stops.
Press TEST/READY again - The platform returns to the home
position.
If the unit is equipped with the Resistance Option, Resistance
Offset Mode is displayed. If not, the Lamp Test Mode message
is displayed. Press TEST/READY switch, as required, until the
Displacement Verification Mode message is displayed, then
proceed to step 4.
Step 4 Assemble the Displacement Gauge to Fixture PN 905-378, as
shown in Figure D.1, using the bolt provided. Be certain the
gauge is mounted with the plunger parallel to the side of the
fixture (see Figure D.1). Install the assembled fixture with
gauge on the 921A baseplate (optional) or equivalent, such that
the displacement gauge plunger is slightly depressed