Lamar Technologies CA 1550 - Manual (Page 28)

5. CALIBRATION AND MAINTENANCE
C. SET TIMER
Set the timer by pushing the up/down buttons to
a time that will allow calibration to be
completed before the time runs out (for
example 60 minutes).
D. SET CONSTANT-POTENTIAL
CHARGE MODE
Turn the Mode Select knob to Constant
potential, CP.
E. SWITCH ON MAINS POWER
Turn on the AC on-off/reset power switch.
The voltmeter reads the set voltage, the
ammeter reads zero. The timer reads 0’s and its
red LED is off. The Charge Mode Lamp
indicator is illuminated.
F. CONNECT EXTERNAL
VOLTMETER
Set the voltmeter to a DC voltage range
appropriate for the set constant potential.
Connect the external digital voltmeter into the
voltmeter calibration points.
CA-1550 CHARGER / ANALYZER - OPERATING MANUAL V1.2 Page 26