Aiphone NHX-80X - Technical Precautions - System; Volume Adjustments (Back Panel); System Operation and Line-off Trouble

Type of calls placed Corridor lamp
Sub1 Sub2 Sub3 Red White
Ro
u
tin
e
–––
S
tead
y
–
B
a
throo
m
–
Blinkin
g
–
––
Cord-ou
t
–
Blinkin
g
Routine Bathroom
–
Blinking Steady
Routin
e
–
Cord-ou
t
–
Blinkin
g
–
Bathroom Cord-out Blinking Blinking
Routine Bathroom Cord-out Blinking Blinking
–
11 –
2
. NHX system is not operable during a power
f
ailure. Battery backup must be provided by installing contractor
f
o
r
cont
i
nuous operat
i
on
d
ur
i
n
g
power outa
g
e
.
3
. All NHX station models are electrical devices, which must not be exposed to water or any other liquid
.
4
. The s
y
stem is rated to operate at temperatures 10°
C
~ +49°
C
(50°F ~ +120°F)
.
5. If NHX system does not operate properly, turn power switch on the NHX-80X off, then on a
g
ain. If system is no
t
r
estored to normal operation, call installing dealer or Aiphone
.
6. Line-o
ff
troubl
e
T
his
f
eature is a buzzer tone annunciation when wires to the subs, bathroom station, or duty station are shorted o
r
b
roken. The tone cannot be muted by pressing the TONE-OFF button
.
I
f a slower buzzer sounds and a station’s call-in LED blinks on a particular sub selector, tr
y
communication b
y
eithe
r
l
ifting the handset or pressing the TALK button. (The tone will stop if the station is operational.
)
If
a buzzer tone is
f
aster with no LED blinkin
g
, the line is broken to the Duty station
.
A
s a temporary solution to stop the buzzer, plu
g
in short connector (CN104) located on bottom section of NHX-80
X
Control Unit. Call the installing dealer or Aiphone immediately
.
PRE-TONE TONE
TRANSMIT RECEIVE
DUTY STATION
On the back
RESET switch : Only used for checking status of sub stations.
TEST switch

NHX-50M back view
P
RE-TONE Adjusts pretone level heard at bedside sub station
.
TO
NE Adjusts initial call tone level
.
DUTY
S
TATI
O
N
C
all tone level (an
y
) heard at dut
y
station
.
T
RAN
S
MIT Master’s voice volume heard at bedside sub statio
n
R
E
C
EIVE
S
ub’s voice volume heard at NHX-
50
M
.
1. Volume ad
j
ustments (continued
)
Power switchFront screw(2)
NHX-80X
Front view
NHX-80X
Back case
inside
CN104
Short
connector
To stop the line-o
ff
trouble o
f
Dut
y
station
;
1. Turn o
ff
the power switch
.
2
. Loosen screws on front panel
.
3
. Pull at bottom
,
and lift the cover off the back case
.
4
. Locate the
C
N1
0
4 and install the short connecto
r
(
attached to internal wires)
.
5. Turn the power switch back on
.
N
HR-SP will no lon
g
er be operational until proble
m
i
s resolved and
C
N1
0
4 is disconnected
.
To restore, call the
i
nstall
i
n
g
dealer o
r
A
ip
hone
.
7
. O
p
erational modes in multi-station
p
atient room a
pp
licatio
n
(
onl
y
for NH-1SA/A & NH-2SA/A
)
When single or multiple calls have been placed
f
rom the sam
e
p
atient room corridor lamp will be activated as
f
ollows
;
Sub2 Sub3 Red
–
Cord-out Blinking
Bathroom Cord-out Blinking