Nanfone NF-688 Manuale utente
Introduction……………………………………...34
Included………………………………………….34
Accessories List………………………………...35
Main Features…………………………………..35
Technical Information…………………………..37
Know the Radio………………………………...39
Preparation before using………………………40
Function Operations…………………………....46
Function Setting ………………………………..54
Maintenance…………………………………….58
Trouble Shooting ……………………………….59
Appendix: CTCSS and DCS chart…………….61
Contents
Contents
Professional Handheld FM Transceiver
Introduction
Included
Please unpack the transceiver carefully and check the
package again to make sure there is no listed items as
below inside before you discard it. Should any items have
been missed or damagedduring shipment, please file a
claim to the distributor immediately.
Thanks for purchasing NANFONE transceiver NF-688
(688plus). Please read this manual carefully to learn its
latest functions and operations before using. NF-668 is
with mini compact size, easy-to-use feature and stable
performance. It’s developedfor satisfying the customer’s
demand.
No matter you are in the countryside、forest area、
pastoral area or the sea, it still can have a high quality
conversation. Meanwhile, the fashion casingalso can
meet your personality.
34 User Manual
Accessories List:
Main Features
Descripti Unit Quan
Antenna pc 1
Belt clip pc 1
pc 1
Charger pc 1
Adaptor pc 1
3*6 screw pc 2
pc 1
pc 1
Lithium battery pack
QC passed card
User Manual
1、Frequency range: 400-470MHz
2、Voice reported function in both English and
Chinese (Optional)
3、High /Low power switchable: 5W
4、Wide/Narrow Bandwidth
5、CTCSS 50/ DCS 83 to avoid interference from
other radios
Professional Handheld FM Transceiver
35
Included
6、VOX function. Release your hands for convenient use
7、TOT Function. Avoid damage due to the long- term
transmit
8、BCL Function
9、Scan function. Scan and receive all the conversion
channel
10、FM Radio. Know more about the latest news。
11、Battery Save and Long Standby.
12、Built in Bluetooth(Optional).
All the above function can be programmed by PC.
The transceiver also has the below function:
1. Emergency alert. Keep you safe and comfort
2. Noises cancel function. Can clear up the noise after
conversation ended.
3. Channel locked function.
36 Main Features
Technical Information
GENERAL
Frequency range: 400MHz-470MHz
Number of channel: 16
Channel spacing: 12.5kHz/25kHz(Optional)
Modulation: Frequency Modulation (FM)
Operating temperature range: -20℃-- +55℃
Voltage: 7.4V
Standby Current: About 15mAh (Power Save)
Size: 100(H)×58(W)×36(D)
Weight: About 205g
TRANSMITTER:
Frequency Distortion: ±3ppm
Output power: ≤5W
Emission current: ≤1.5A
Maximum frequency deviation: ±5kHz
Audio frequency distortion: <10%
Adjacent frequency: <70dB
Residual radiation: <-60dB
37
Technical Information
Professional Handheld FM Transceiver
RECEIVER
Reference sensitivity: <-122dBm(12dB SINAD)
Squelch sensitivity: <-126dBm
RatedAudioPower: ≥500mW
Receiving current: ≤380mA
Audio frequency distortion: <10%
Adjacent- Channel Selectivity: ≥60dB
Intermediation Rejection: ≥60dB
38 Technical Information
Know the Radio
1. Antenna 2. Alarm/Bluetooth Multi function Key
3. Indicator 4.VOX 5. Channel 6.Ring Hole7 PTT
8.FM/Mnoitor/FM+ 9.FM-/Call 10.MIC
11.Battery snap 12.Battery 13.SP
14.MIC/SP Waterproof Cover 15.Belt Clip
Know the Radio 39
Professional Handheld FM Transceiver
Preparation for Using
Install the antenna
Install the antenna as picture and rotate it clockwise till tight
（The antenna in picture only for reference）
40
Note：Don’t hold the machine by antenna or hang the
keychain and earphone on it, since they will spoil the
antenna and reduce the performance of the machine.
Preparation for Using
Install Lithium battery pack
Put the original Lithium battery pack into the transceiver
correctly as following picture shows：
Figure 1
Figure 2
Preparation for Using 41
Professional Handheld FM Transceiver
Unfold the Battery
Press the battery snap like picture shows and push up .
42
Figure 1
Figure 2
Preparation for Using
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