Item description for LATNEX FC-2800M Handheld Ham Radio CB Frequency Counter w/ CTCCSS DCS Decoder

The LATNEX® FC-2800M hand-held frequency counter is a more practical counter, even advanced features such as field strength measurement are incorporated. It is compact, truly pocket sized, test instrument designed for ease of use and dependable performance. Supplied as a complete with internal Li-ion battery pack, AC wall charger and antenna.

Introduction:

The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies , with signal strength indicator.
it is the tool of choice for maintenance personnel ,test frequency and signal strength for wireless enthusiasts.
This portable frequency counter is designed for counting continuous wave signal comes from Two-way Radio.
There are easy ranges for you to choose. The ranges cover most of the frequency of the two way radios you want to measure.
Its four-button control is easy to use and its small size allows you to carry it anywhere you like.
Work by TCXO(Temperature Compensate X'tal (crystal) Oscillator) ,In the range of -45 ? ~ 65 ? can reach ± 2 ~ ± 4ppm accuracy
This include very interesting frequency areas such as 2m HAM radio, all VHF and UHF
DMR Radio signal e frequency counter.
GUI Battery level

Feature & Specification:

Frequency range two select : 2MHz-200MHz / 27MHz -2800MHz
CTCSS/DCS Decoder
Frequency counter Digital mode for DMR radio
Work by TCXO( Temperature Compensate X'tal (crystal) Oscillator) 2?2.5ppm
Frequency Response time: 0.2-0.5sec.( CTCSS/CDCSS >0.5-1sec)
TFT Color Display 240 x 320 ,LCD Dim level setting
Build-in Li-ion battery
Net Weight: 113g
4 buttons control
Auto power off 1-9minutes
Charging battery LED indicator

Package include:
1 x FC-2800 frequency counter
1 x DUAL BAND UHF / VHF antenna
1 x BELT CLIP
1 x USB CHARGER with cable .
1 x ENGLISH MANUAL

User manual:

1.1 Power On/Off:
Power on ,press and Hold down the [Red key] by 3 second
Power off ,press and Hold down the [Red key] by 3 second of number count down to 0

1.2 Charging the battery :
Plug the power cord into adaptor , micro usb connect SF103
The Led indicating: *The RED light Charging * The Green light is Full

1.3 Setup the frequency Range :
Press[ F2.stop ] button ,[F3 -->] select function to "Rang"
Press the [F4 Ent] Select 27M-2.8G(27MHz-2800MHz) /<=200MHz (below 200MHz) ,
and then press[F2] to Run

1.4 Setup the time Gate :
Press[ F2.stop ] button ,[F3 ---> ] select Function to "Gate"
Press the [F4 Ent] select : 0.1s / 0.25s / 0.5s / 1.0s ,and then press [F2] to Run

1.5 Setup the Frequency counter digi :
Press[ F2 ] botton ,[F3--->] select Function to "Gate"
Press[F4 Ent] Select : 3 / 4 / 5 / 6 , and then press [F2] to Run
! 27MHz-2.8GHz for 3 / 4 only , 2-200MHz for 3 / 4 / 5 / 6 , Detail Please see Table 1:

1.6 How to check Frequency of Digital DMR Radio
Press[ F2 ] botton ,[F3 --->] select Function to" type" :Press [F4] select Analog / Digital(DMR) ,
and then Press [F2] to Run
!Note. Digital mode have 3 Decimal only.

1.7 How to ADJ. the Frequency mode of 27MHz -2.8GHz: ( See PIC.2)
Press, [F3 MENU ] , [F3 Down] / [ F4 Up] to select the Gate to (0.1s/0.25s/0.5s/1.0s)
Press, [F2 Edit] / [F3 - ] and [ F4 +] to select the +/- 99
Press, [F1. Main] exit , and then press [F4 save] for save the setting .([F1] not save for exit)

1.8 How to fine tune the Frequency mode of 2-200MHz: (See PIC.1 )
Tune the PCB VR1 (Variable resistance)
(The factory has been set accurate, such as non-technical staff do not tune)

1.9 How to use [F3 menu ] mode: (see PIC2)
Press, [F3 - ] / [ F4 +] select the function ,and then press [F2 edit] for edit mode ,
Press, [F3 - ] / [ F4 +] selecy for change the data .
Press, [F1. Main] exit , and then press [F4 save] for save the setting .([F1] not save for exit)

Caution:
1)Max. direct input signal 5Vp-p
2)Prohibit direct access to the radio antenna output, resulting in damage to the frequency meter

Frequency Display Resolution / CTCSS ,DCS Decode frequency range

SELECT A	27MHz-2.8GHz	Gate Time select (seconds)	Sample Display (100MHz)				CTCSS/DCS
			Digi				select A
			3	4	5	6	Decode Range 132-173MHz 200-260MHz 400-519MHz
		0.10 s	100.000	100.0000
		0.25 s	100.000	100.0000
		0.50 s	100.000	100.0000
		1.00 s	100.000	100.0000

SELECT B	2MHz-200MHz	Gate Time select (seconds)	Sample Display (100MHz)				CTCSS/DCS
			Digi				select B
			3	4	5	6	Disable
		0.10 s	100.000	100.0000
		0.25 s	100.000	100.0000
		0.5 s	100.000	100.0000	100.00000	100.000000
		1.00 s	100.000	100.0000	100.00000	100.000000

How to check CTCSS/DCS code
1.Radio must be 132-173 / 200-260MHz / 400-519MHz
2.Radio must be ANALOG

CTCSS/DCS Decoder for ANALOG mode

CTCSS (Hz)
50.0	97.4	151.4	192.8
55.0	100.0	156.7	196.6
67.0	103.5	159.8	199.5
69.3	107.2	162.2	203.5
71.9	110.9	165.5	206.5
74.4	114.8	167.9	210.7
77.0	118.8	171.3	218.1
79.7	123.0	173.8	225.7
82.5	127.3	177.3	229.1
85.4	131.8	179.9	233.6
88.5	136.5	183.5	241.8
91.5	141.3	186.2	250.3
94.8	146.2	189.9	254.1

?CDCSS for ANALOG mode (N code only)

Standard(N)	FC-2800M check	?	Standard(N)	FC-2800M check	?	Standard(N)	FC-2800M check	?	Standard(N)	FC-2800M check
Standard(N)	FC-2800M check		Standard(N)	FC-2800M check		Standard(N)	FC-2800M check		Standard(N)	FC-2800M check
23	23		143	143		?	266		465	465
25	25		?	145		271	271		466	466
26	26		152	152		?	274		503	503
31	31		155	155		306	306		506	506
32	32		156	156		311	311		516	516
?	36		162	162		315	315		532	532
43	43		165	165		?	325		546	546
47	47		172	172		331

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