Modification

Eliminate incoming call tone from sub station at a master station.

Difficulty Level

3 – Moderate – removal or replacement of internal components.

Components Required

N/A

Instructions

• LEF-3/3C: remove transistor TR7.
• LEF-5/5C: remove transistor TR7.
• LEF-10/10S: remove transistor TR8.
• LEF-10C: remove transistor T7.

LEF-3

LEF-5

LEF-10