4.3
KX 155/165 VHF NAV/COMM OP ER A TION IN STRUC -
TIONS
COMM TRANS CEIVER
Ro tate the VOL knob clock wise from the OFF po si tion. Pull the
VOL knob and ad just for de sired lis ten ing level on the noise be ing
pro duced by the re ceiver. Push the VOL knob back in to ac tu ate
the au to matic squelch.
The left por tion of the dig i tal dis play read out is al lo cated for
COMM USE and STBY fre quen cies with a “T” be tween them to
in di cate the TRANS MIT mode of op er a tion. Se lect the de sired op -
er at ing fre quency in the STBY dis play by ro tat ing the in cre -
ment/dec re ment knobs ei ther clock wise or coun ter clock wise. A
clock wise ro ta tion will in cre ment the fre quency while a coun ter -
clock wise ro ta tion will dec re ment the fre quency. The larger knob
will change the MH
Z
por tion of the STBY dis play. At one
band-edge (118 or 136 MH
Z
) the fol low ing 1MH
Z
change will
wrap around to the other band-edge. The smaller knob will change
the KH
Z
por tion of the STBY dis play. It will change in steps of
50KH
Z
when the knob is pushed in, and 25KH
Z
when the knob is
pulled out. The wrap around band-edge is also uti lized when in -
cre ment ing or dec re ment ing the KH
Z
por tion of the STBY dis play.
To tune the ra dio to the de sired op er at ing fre quency, the de sired
fre quency must be en tered into the STBY dis play and then the
trans fer but ton must be pushed. This will trade the con tents of the
USE and STBY dis play. The trans ceiver is al ways tuned to the
fre quency ap pear ing in the USE dis play. It is there fore pos si ble to
have two dif fer ent fre quen cies stored in the USE and STBY dis -
plays and to change back and forth be tween them at the sim ple
push of the trans fer but ton. Dur ing the trans mit mode of op er a -
tion, a “T” will ap pear be tween the USE and STBY dis plays, sig ni -
fy ing that the trans ceiver is in the trans mit mode of op er a tion.
A non-vol a tile mem ory stores the COMM USE and STBY fre quen -
cies on power down. When the unit is turned on again, the COMM
USE and STBY win dows will dis play the same USE and STBY
fre quen cies that were dis played be fore power down. If an in valid
fre quency is de tected in the mem ory on power up, the COMM USE
and STBY win dows will con tain "120.00", thus in di cat ing the pres -
ence of an er ror in the stored fre quency.
SCHWEIZER MODEL 269C-1 HELICOPTER
CSP-C1-1A
FAA Approved: 03 Oct 1995
11
Revised: 17 Apr 1996