Vocal echo on 'Tascam DP02'?

[talismanpr]

I am using a 'tascam' DP02, and although there is loads of 'Reverb' available I cant seem to work out how to get repeat echo on vocals,.. just a slight repeat,..but want a 4 or 5 times repeat.. can anyone help.

Thanx in anticipation... talismanpr