JLG 1250AJP Troubleshooting Manual page 298

SECTION 5 - CALIBRATIONS
read: 15. After completing Boom Valve Calibration, hit ESC
twice to go back to CALIBRATIONS.
14. The control system will next calibrate the LIFT, TWR
LIFT, and TWR TELE valves. This can be confirmed
by watching the LED's on the respective valves as
they are being calibrated. When the valves are cali-
brated, the screen will read:
NOTE: It may take several minutes per valve section for the
calibration procedure.
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