Puxing PX-777 - User Manual

PX‐777OperationGuide

ThePuxingPX‐777isanexcellent,inexpensivehandheldradio.TheEnglish‐
languagedocumentationprovidedbythemanufacturer,however,has
considerableroomforimprovement.Thisguidecoversthebasicsofusingthe
PX‐777inamoreunderstandableformat.

IntroductoryNotes

Whenplacingtheradioinitschargingstand,besurethatit’sinsertedstraight
andthatthebatterytouchesthechargingcontactsproperly.It’spossibleto
misaligntheradio,whichwillcauseittofailtocharge.Youcanremovethe
batteryfromtheradioandchargeitseparately–notonlyisthisusefulfor
chargingsparebatteries,butitmakesiteasytoseehowthebatteryshouldfitin
thecharger.

1–On/OffandVolume
2–Selectorknob
3–PTTbutton
4–Monitorbutton
5–Callbutton
6–Speaker/micjack

The
PX‐777hasachannelmodewitha
self‐programmingfeaturesimilartothat
foundonmanycommercialradios.This
guideaddressesonlythePX‐777’s
memory/VFOmode,whichresembles
thatofmostmodernamateurradios.

Summary

Introductory Notes

Programming the Puxing PX-777

Setting Frequency Mode

Switch between channel and frequency mode. Enter receive frequency via keyboard or selector knob.

Configuring Repeater Settings

Set repeater offset (difference) and CTCSS tones for receiving and transmitting.

Selecting Power Level

Choose between high (H) or low (L) power output for transmission.

Saving Frequencies to Memory

Save current frequency settings to a memory channel using the VFO/MR button.

Scanning and Other Functions

Initiating Scanning

Start scanning memory channels or current frequency using MENU and 1 SCAN.

Reverse Functionality

Temporarily reverse transmit/receive frequencies by holding # T-R for bypass.

DTMF Tone Transmission

Send DTMF tones using number buttons, *, #, or specific function keys.

Navigating Menu Options

Access functions via MENU, use selector knob to choose, ENTER to save, VFO/MR to cancel.

Puxing PX-777 Specifications

General

Frequency Range	400-470MHz
Channel Capacity	128 channels
Battery Capacity	1200mAh
Antenna Impedance	50 ohms
Operating Temperature	-20°C to +60°C
Weight	220g (including battery)
Channel Spacing	25/12.5 kHz
Power Output	5W (High), 1W (Low)
Operating Voltage	7.4V DC
Modulation	16K0F3E / 11K0F3E