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Specification

Specifications may be revised without notice due to technical improvements.

GENERAL

Frequency Range

446MHz & 464MHz

Channel Capacity

Frequency Spacing

12.5kHz

Working Voltage

3.7V

Frequency Stability

5ppm

Operating Temperature Range

-10

℃

＋

℃

Dimension incl Antenna (L×W×H)

165mm×55mm×32mm

Weight (including Antenna and Battery)

160g

Battery Capacity

1200mAH

Battery Operating Time Average

19 hours on 5:5:90 duty cycle, battery save, med vol

TRANSMITTER

Output power

500mW

Modulation Type

Maximum Frequency Deviation

≤±

5kHz

Modulation Distortion

≤

Spurious Radiation

<7.5uW

Modulation Noise

<-40dB

Current max

<1200mA

Audio response (300-3000Hz)

+6.5~-14dB

Adjacent Channel Power

>65dB

RECEIVER

Receiving Sensitivity

≤

0.2uV

Selectivity

≥

65dB

Intermediation

≥

55dB

Occupied Bandwidth

≤

16kHz

Current max

<55mA (standby) <150mA (receive)

Audio Output Power

>500mW

Modulation Distortion

≤

10%

Audio Response

+7~-12.5dB

Содержание ZA-723

Страница 1: ...s namely 464 MHz consisting of 5 frequencies and 446MHz consisting of 8 frequencies Please read this manual carefully before using the radio The information presented here will ensure that you get max...

Страница 2: ...ver or replace charge the battery in an explosive environment dust gas fumes etc Do not transmit without the correct antenna connected fully or the radio could get damaged Switch the transceiver off w...

Страница 3: ...s for full intercommunication Should there be interference on a specific channel select a different channel Note that Channel 9 10 11 are set on the open frequency without a sub tone and channels 13 t...

Страница 4: ...ry pack and will lengthen charge time 6 During charging do not plug in pull out the power supply or the battery frequently it would affect battery charging 7 Do not charge when the battery or radio is...

Страница 5: ...the packing material If any items are missing or have been damaged during shipment contact the supplier immediately For optional accessories please visit our website www zartek co za INCLUDES Handheld...

Страница 6: ...ge Desktop cradle Connect the USB cable from desktop charger into the mains USB adaptor and plug into a wall socket The desktop USB cradle can also be powered from a standard USB port rated at 5V and...

Страница 7: ...to increase or decrease the volume Select a Channel Turn the Channel Selector Knob clockwise to change the channels from 1 to 16 Your radio will report the channel number Refer to the factory channel...

Страница 8: ...ain but it can bounce off like a mirror go around and reflect in other directions as well This happens at the speed of light 3 Line of sight Line of sight is when there are no obstructions in the path...

Страница 9: ...ing the data from the radio Once loaded the data can be edited to the appropriate channels and settings and then saved or printed for future reference See below for instructions on each function Writi...

Страница 10: ...parties whose CTCSS QT DQT tone matches the tone set up in your transceiver There are 38 CTCSS standard tones 1 38 plus 12 extra QT tones The 38 tones are common on other 446 MHz radios such as the Za...

Страница 11: ...p the time level 15s 30s 60s 90s 300s Factory programmed on TOT 180s VOX Voice operated Transmission The ZA 723 has a multi level sensitivity built in VOX function You can enjoy talking and listening...

Страница 12: ...n Channel 16 for scanning Scan Add Delete In the Channel Information You can add a channel to the scan group or delete it from group Add choose Yes in the channel row under the Scan Add column to add...

Страница 13: ...SB Troubleshooting Problem Solution No power The battery pack may be dead Recharge or replace the battery pack The battery pack may not be installed correctly Remove the battery pack and install it ag...

Страница 14: ...Capacity 1200mAH Battery Operating Time Average 19 hours on 5 5 90 duty cycle battery save med vol TRANSMITTER Output power 500mW Modulation Type FM Maximum Frequency Deviation 5kHz Modulation Distor...

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