How to adjust smd trimmer ? What type Screwdriver design for ?

[chihaxinh]

Hi every one!

When i repair oscilloscope , need adjust some setting like Low Volt , HV for CRT or Vert - Horiz  position !

But in PCB i have some SMD trimmer like this . Hard to find screwdriver compability .

Any one can show me how to turn trim pot or can diy one screwdriver for this ?

[negativ3]

I use one of these...

http://uk.rs-online.com/web/p/trimmer-tools/0543434/

[Jeroen3]

Those are good. They other side fits around the multiturn knob to easily rotate without slipping off. 

[LeonV]

I just hammered the trimmer driver that came with my scope probes into an old damaged handle of a bit driver.
Works amazingly well for what it is.