Simmple, wind your neck in. In the very specific case of accelerating by 50kts is there any reason to not follow the FD?
Vessbot, pitch down to maintain 500fpm until you approach the speed you want then pitch up to maintain it. Thrust stays at climb. Is this difficult for you to understand?
Amadis, pitch and power settings are produced for all airliners. This isn't specific to the EMB. In answer to your question, and it's pretty obvious, you establish which is the accurate instrument.