Lamar Technologies CA 1550 - Manual (Page 19)

4. OPERATING GUIDE - DISCHARGING
The battery must be fully charged before testing starts, except for special tests.
WARNING: Always turn off the AC power switch before
connecting or disconnecting a battery.
NOTE: The test, unless otherwise specified in the
manufacturer's CMM/OMM, shall be conducted at room
ambient temperature of 70°F to 85°F (21°C to 29°C).
A. SWITCH OFF MAINS POWER
Turn off AC on-off/reset power switch.
B. SELECT DISCHARGE MODE
Turn the Mode Select knob to the
“Discharge” setting.
C. TURN DOWN DISCHARGE
CURRENT
Repeatedly turn the Ampere Adjust knob fully
counter-clockwise to set discharge current to
zero. This prevents excess current, which
may be too high for the battery, once the
battery is connected and the discharge test
has begun.
CA-1550 CHARGER / ANALYZER - OPERATING MANUAL V1.2 Page 17