Yamaha Electric Guitar Owner's Manual page 7

D
Tighten
Loosen
When Lower
than harmonic
When Higher
than harmonic
TRS-PRO
Intonation Adjustment in Vibrato Bridge
1) Loosen the hexagonal screw located in front of each saddle
using the supplied hexagonal wrench. (illustration — D)
2) Slide the saddles by hand to adjust the length of each string.
VIBRATO SYSTEM TRS-PRO/101 (part 2)
Lower
C
Higher
Tighten
B
Loosen
Tighten
D
Loosen
When Lower
than harmonic
When Higher
than harmonic
TRS-101
3) When the intonation is correct, tighten the hexagonal screw
in front of each saddle to ensure that its position stays
stationary. (illustration — D)
7
Lower
C
Higher
Tighten
B
Loosen