Here's my servo settings from last weekend:
Race: XRS Malaysia
Servo type: PGS-LH II
BEC Voltage: 6.7
Transmitter type: M17 (ST EXP -8%)
Transmitting mode: FH5U, SXR

SSL-CH: 1
Stretcher: 83
Boost: 82
Deadband: 3
MV-MID: 72
MV-END 40
Brake: 42
MV-HLD: 2
MV-FRQ: 75
MAX-PW: 100

Source: