– 7 –
NHR-4A
NHR-3A-4
Press TONE-OFF button.
(No communication)
Bathroom
call
Pull down
NHR-SP NHX-50M
NHR-7A
NHR-8A
NH-1SA,
NH-1SA/A,
NH-2SA,
NH-2SA/A
Bathroom 
al
Step Stations Tone Light Operations
Bathroom pullcord – Red LED lit
n
t
ator: Pull down cord
.
Corridor lamp – Red lamp blinking
.
Zone light – One lamp is lit (1~4).
Master station Single chime Sub call-in LED (red)
every 2 sec. blinking, every 1.8 sec.
Duty station Single chime CALL blinking red Press TONE-OFF button and go to master
every 2 sec. every 1.8 sec.  or room.
.
tten
an
ress T
NE-
FF button
Master station
o to the 
ub station
B
i
 
 
t
tio
tt
n
nt
Bathroom 
ullcor
ove switch u
 to reset the call
Bathroom call is an urgent call originated from bathroom pullcord switch, wired to each Bedside sub station.
The call-in lights on the same bedside sub station selector, but LED blinks twice as 
ast on the same LED
uty station Master station Zone light
orridor lamp  Bedside Bathroom
su
 stat
on pu
cor
n
n
 
 
 
on
Single chime CALL blinking red