The effectuating code for the step is in the third namelist

 Run  KATT  S k a g e r a k  and  K a t t e g a t  - 40 tides

 Version 5xt: like 4xt, but with FES2004 excitation
 Step test

/*
 &param
 start_date=2010,9,1, start_time=0,0,0,0
  Greensf='mc00egbc'
 Gpath='/home/hgs/Oload/Greenstb/] '
 ctide='M2 O1 '
 tide='S2'
 tideh='M4'
 qtake_all=.true., qtake(1)=.true.
 nrcyc=2
 cycwb=2
 nsol=-1
 iusap=11
 tstep=0.95
 nvu=46
 gef=1.00
 slp=0.02
 nonlin=3
 path='./]'
 imon=80
 jmon=151
 itgra=200
 range=0.32
 hmin=1.0
 Fricp=0.1, 0.0, 0.1, 0.5e3
 n_ramp=200,n_hold_damp=100,n_close_damp=500
 geocxyz=.true.
 qfb=.false.
 qbt=.true.
 qlt=.true.
 &end
31 < KATT/FLZUf.DAT
32 < KATT/FLMH.DAT
33 < KATT/ABOUND.DAT
03 * KATT/d1.dmp
   Q
4
Gothenburg       100 145
Onsala           107 122
Ringhals         113 118
Hirtshals         40 130
4, -1
Gothenburg       100 145
Onsala           107 122
Ringhals         113 118
Hirtshals         40 130
 1, -1
ONSALA      7205      3370658.676     711877.029    5349786.868
02 < KATT/dmp1.dat
41 < KATT/M2v5xst.dat
42 < KATT/M4v5xst.dat
75 B KATT/tggv5st.daf
65 B KATT/evlv5xstr.daf
66 B KATT/evlv5xste.daf
67 B KATT/evlv5xstn.daf
   Q
 &param
 iutgg=-75
 iuevl=-65
 nsver=500
 jsver=0
 Fricp=0.1, 0.0, 0.1, 0.5e3
 nonlin=-1
 Gra_Opt='E'
 phacut=0.
 qspeca=.false.
 qmyprc=.false.
 n_steps=20
 qadj_tend=.false.
 &end

 &param
 qab_step=.true.,
 ab_step_tb=200000.d0   ! checked with protocoll part 1 to set time tb in seconds
 ab_step_vt=1.0
 itgra=10               ! or even smaller to watch details                                             
 qbt=.true.             ! Doesn't hurt to remind: with tides on boundary
  n_ramp=0               ! actually, the ramp is off since long ago
 iutgg=75
 iuevl=65
 nsver=0
 jsver=0
 Fricp=0.0, 0.0, 0.1, 0.5e3
 nonlin=1
 Gra_Opt='E'
 kcyc=50
 qadj_tend=.false.
 &end