Chapter 1. St4000+ Control Head; Pcb Changes - AUTOHELM ST4000+ Service Manual

Chapter 1. ST4000+ Control Head

Chapter 1. ST4000+ Control Head

1.1 PCB Changes

When a PCB is changed, it may be necessary to set the new PCB to the
required pilot type, ST4000+ Wheel, ST4000+ Tiller or ST4000+ Tiller GP
1. If the instrument is disassembled, fit the reflector, diffuser, elastomers,
2. Apply 12V power to the instrument/PCB assembly
3. Press and hold STDBY for 14 seconds until CAL ? is displayed
4. Momentarily press +1 and -1 together to gain access to extended
5. Advance from the CAL LOCK page to the pilot type page by pressing
6. Use the +1 and -1 buttons to set the pilot type as required, 4000 WHL
7. Press STDBY to exit extended calibration
8. Switch off the power supply. Do not disconnect
9. When the pilot is fully powered down, switch the power on again
10.Check that the required pilot type is momentarily displayed before
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LCD and surround to the PCB
calibration (dealer set - up)
DISP
(wheel) or 4000 TILL (tiller)
STANDBY is entered. If not, repeat the set - up procedure. In the case of
a second failure, change the PCB.
ST4000+ Autopilots Service Manual 83115-1 1