Nevir NVR-127D User manual

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68X145mm 2013-7-19

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APPEARANCE DIAGRAM AND
FUNCTION INDICATION
FM/AM 2 BANDS DIGITAL TUNING RADIO
introduction
LCD EXPLANATION
1. Frequency unit indication of FM
2. AM frequency unit indication
3. Frequency / time indication
4. Alarm power on indication
5. Sleep function indication
6. FM band indication
7. AM band indication/
forenoon time indication
8. Afternoon time indication
9. Channel storage address indication
10. Channel storage indication
11. Scan storage indication 12. Volume indication
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1. Display screen
2. Power switch button /
sleep function button
3. Band conversion button /
alarm setting button
4. Volume- button
5. Volume+ button
6. Down tuning button /
time-button
7. Up tuning button /
time+button
8. Storage address+ button
9. Storage address- button
10. Store channel button /
time mode button
11. Hand belt
12. Earphone jack
13. External power jack
14. Telescopic antenna
15.
16. Battery slot
Back buckle

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USE OF EXTERNAL POWER
SUPPLY
This radio uses the power adapter with stabilized external
power supply and output of DC 3V 300mA. The anode and
cathode of the plug is .
Note: When the user buys external power adapter for this radio, please
choose the stabilized power supply with load voltage less than
3V . Pay attention to the polarity so as not to damage this radio.
OPERATION INSTRUCTION FOR
RADIO
1. Conduct short press on the power (2) to
switch on the radio and the display screen displays the band
frequency before switching off last time.
2. Press band conversion button (3) to switch the program
of FM/AM.
3. Conduct short press on down tuning button (6) or up
tuning button (7) to make search of channels towards the
high end or the low end manually.
4. Conduct long press on down tuning button (6) or up
tuning button (7) to make search of channels towards the
high end or the low end automatically.
5. Press the volume -button (4) or volume+button (5) to
adjust the volume of radio.
6. Please use the earphone to listen in order not to affect other
people to have a rest. Insert it into the earphone jack (12)
(the speaker inside the radio will be disconnected
automatically) and you can listen with the earphone.
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switch button
INSTALL THE BATTERY
1. This device uses two AAA batteries.
Please install the batteries into the
battery box according to the polarity
indicated on the radio.
2. Please replace the batteries in time
if the volume distorts or is too small
when listening.
Advert:
1. The old and new battery or the battery of different types should not
be used together.
2. Don't try to charge, heat or break down the battery in order to
prevent the leakage of electrolyte or explosion.
3. If the radio is not used for a long time, please take out the battery in
case that the electrolyte corrodes the elements inside the product.
4. When the batteries leak electrolyte, it must be dried up with soft
cloth before replacement of new batteries.

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1. The magnetic antenna inside the radio is used to listen to the
AM. Rotating the radio body can achieve best receiving effect.
2. To listen to FM radio, please pull out the telescopic antenna
and obtain the optimal receiving effect by changing the length
and direction of the antenna .
USE OF ANTENNA
CLOCK SET
This device adopts 12/24-hour
system. After batteries are loaded,
the clock will run from 12:00 .
1. Under the power-off state, if the
indicator for alarm power-on
is on the display screen,
press
(3) to cancel.
2. Press the time mode button (10) once, the 12/24 hour
system flashes. At the flashing state, press time +button
(7) or time-button (6) to select 12 or 24 hour time system.
3. After the time system is set, press time mode button (10)
once again and the hour number flashes. At the state when
the hour number flashes, press time +button (7) or
time-button (6) to set the time of hour.
4. After the hour time is set, press time mode button (10)
once to set the time of minute with the method same to that
of setting the hour.
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Note:
1. When the time of hour is set, it must be set when the hour
number flashes.
2. When the time of minute is set, it must be set when the minute
number flashes.
3. This device adopts 12-hour system. AM on the display screen
represents the time in the morning and PM represents the time in
the afternoon.
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alarm setting button
7. When you don't want to listen, please press the
(2) to switch off the radio and the display
screen displays the clock information.
8. This device is set with detachable back hasp to facilitate
arrangement.
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Note:
Press the power button to turn on the radio. It should not
exceed two seconds when pressing the power button. Otherwise, it
enters the sleep state.
power
switch button
switch

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1. Under the power off state, press
(3) and
the display screen displays the
alarm indication and
alarm. this indicates that the
radio enters the state of power-
on by alarm.
2. Under the power off state, press
the (10) once and the indication for
alarm power on and hour number on the screen
displays. Under the state flash, press time +button (7)
or time-button (6) to set the hour time for alarm power-on.
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5. The radio will power off automatically after listening for 60
minutes. But the alarm indication is not canceled; the power-
on will be repeated on the same time every day.
6. To power off in advance, press the
(2) to power off.
7. To cancel the alarm function, under the power-off state,
press time (3) to cancel the alarm
indication on the display screen.
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Warm reminder:
1. rAd displayed on the display screen stands for the function of
power on by alarm and bu2 stands for the function of alarm
clock.
2. At the power-off state, press the time mode button (10) three
times and the display screen displays rAd or bu2 . Press
time +button (7) or time -button (6) to select use of power on
by alarm or alarm clock and press time mode button (10) to
confirm.
3. The time setting for alarm clock is same to that of power on by alarm.
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alarm setting button
time mode button
time mode button3. Under the power off state, press the
(10) twice, and the indication for alarm power on and
minute number on the screen displays. set method same
to set the hour time for alarm power-on.
4. If the alarm is due, the radio receives the band frequency
before power off automatically .
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power switch button
alarm setting button
TIME SETTING FOR POWER ON
BY ALARM
1. Under power off state, keep the (2)
pressed to power on the device,and the sleep indication
and sleep time 90 will be shown on the display
screen after 2 seconds, representing that the radio is under
sleep state and will auto matically power off after listening
90 minutes.
This device has sleep function and will automatically
powers off at the set time prior to sleep to avoid power
waste caused by excessive energization.
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sleep functionbutton
USE OF SLEEP FUNCTION

2. Under sleep time display state,
press
to adjust the sleep time.
3. You can listen to your favorite
channel after the sleep time is
adjusted and the radio will
power off automatically at the
sleep time.
4. To power off in advance, press (2)
power off the radio.
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to
The law of sleep time change is as the following:
90-80-70-60-50-40-30-20-10 (cancel sleep function).
sleep function button
(2)
sleep function button
Under power-on state, keep the up tuning button (7)
under pressed and release it after 2 seconds, the frequency will
search the channel towards high frequency.
Keep the down tuning button (6) under pressed and
release it after 2 seconds, the frequency will search the channel
towards low frequency. Search will stop when thechannel is
found .
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AUTOMATIC SEARCH CHANNEL
Under power-on state, press
up tuning button (7) to search
channels towards high frequency.
Press down tuning button (6)
to search towards low frequency.
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Advert:
1. Automatic search is suitable for strong signal channel searching.
2. During the process of automatic search, if the number on the
display screen slowsdown, it represents that there may be weak
signal channel nearby and manual search is applicable.
3. Manual search for channel is mainly for the shortcomings of
automatic search and scanning storage.
Note:
1. In FM band, the frequency increases/decreases 0.1MHz by pressing
up/down tuning button once.
2. In MW band, the frequency increases/decreases 9 KHz by pressing
up/down tuning button once.
3. Press up tuning button to search frequency in ascending sequence
and press down tuning button to search in descending sequence.
MANUAL SEARCH CHANNEL

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1. FM and AM ba Long press
on the
(10) for five seconds. The radio
will automatically scan channels
once from the lowest to the
highest frequencies of this band ,
and save the channels scanned
in sequence in the current
storage addresses.
2. During storage scan, press once up (7) or
(6) the scan is terminated .
3. The first channel scanned will be entered after the storage
scan is done.
nd:
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store channel button
tuning button
down tuning button
STORAGE SCAN
1. After powering on, press band
conversion button (3) to select
band.
2. Press storage address+button
(8) or storage address-button
(9) buttons to select the storage
address and the radio will tune
the channel stored in this address .
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TUNE OUT STORED CHANNELS
1. Use automatic search or manual
serarch to tune channels.
2. Press
(10) and the channel storage
indicator PRESET on the
display screen flashes .
3. Under the state when PRESET
flashes, press storge address+
button (8) or storge address- button (9) to select the
storage address .
4. After the storage address is selected, press the
(10) to confirm the storage address. The
channel frequency will be stored in the address you set .
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Note:
1. Every band of this radio can store 20 channels and 0 is the first
address for storage of channels. if the channels exist in the number
from 0 to 19, the new frequency stored according to the above
method will overwrite the original frequency. Prior to storage
operation, the user should check whether the selected channel
address has channel.
2. When the channel is stored, it must be done under the condition
when the channel storage indication PRESET flashes. Otherwise,
it is invalid.
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store channel button
store
channel button
STORE CHANNEL

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Note:
1. The last channel scanned every time may be different.
2. Prior to storage scan, please adjust the radio in accordance with
items in Use of Antenna, so as to scan more channels.
Advert:
1. When listening to the storage-scanned channel, if it is not clear or
has noise, please conduct fine tuning with the manual search.
2. In terms of storage scan, the previous stored channel will be
overwritten when a channel is received.
3. Scanning storage is only used within the set band. To scan other
bands, please adjust to this band by pressing the band conversion
button
1. Avoid fierce collision or falling on the floor.
2. Do not place under direct exposure of sunshine, high
temperature and humidity.
3. Cassette, magnetic card and other magnetic recording
software shall be far from the loudspeaker,to avoid that the
record contents are cleared or noise is generated on the
card (cassette).
4. In case of any foreign substance falling into the device,
please operate only after being checked by qualified
maintenance personnel.
5. When listening with an earphone, it should be taken down to
stop using at the time of lightening.
6. Products of our company are delivered after all indexes are
debugged in the factory. Don't dismantle the device at your
discretion to adjust the inner elements.
7. To clean the shell, please wipe with a soft cloth by dipping
with cleaning agent.
Please do not use strong solvent such as alcohol and
diluting agent.
PRECAUTIONS
TECHNICAL INDEXES
1. Frequency range
FM: 87.5-108 MHz
AM: 522-1620KHz (9
2. S/N Sensitivity
FM: better than 6 V
AM: better than 3mV/m
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4. SNR
FM SNR: better than 50dB
AM SNR: better than 40dB
5. Power supply DC 3V
Internal battery 2 AAA batteries
6. Maximum current consumption: less than 150mA
7. Imbedded loudspeaker:
8. Size about: 97x60x15mm
9. Weight about: 60g (battery excluded)
KHz step)
. Single signal selectivity: better than 20dB
40mm/8 /0.5Wφ Ω

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