Feature & Specification:
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 |
|||
| 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) |
sf103 check |
Standard(N) |
sf103 check |
Standard(N) |
sf103 check |
Standard(N) |
sf103 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 | 331 | 565 | 565 | |||
| 51 | 51 | 174 | 174 | 332 | 606 | 606 | ||||
| 53 | 205 | 205 | 343 | 343 | 612 | 612 | ||||
| 54 | 54 | 212 | 346 | 346 | 624 | 624 | ||||
| 65 | 65 | 223 | 223 | 351 | 351 | 627 | 627 | |||
| 71 | 71 | 225 | 356 | 631 | 631 | |||||
| 72 | 72 | 226 | 226 | 364 | 364 | 632 | 632 | |||
| 73 | 73 | 243 | 243 | 365 | 365 | 654 | 654 | |||
| 74 | 74 | 244 | 244 | 371 | 371 | 662 | 662 | |||
| 114 | 114 | 245 | 245 | 411 | 411 | 664 | 664 | |||
| 115 | 115 | 246 | 412 | 412 | 703 | 703 | ||||
| 116 | 116 | 251 | 251 | 413 | 413 | 712 | 712 | |||
| 122 | 252 | 423 | 423 | 723 | 723 | |||||
| 125 | 125 | 255 | 431 | 431 | 731 | 731 | ||||
| 131 | 131 | 261 | 261 | 432 | 432 | 732 | 732 | |||
| 132 | 132 | 263 | 263 | 445 | 445 | 734 | 734 | |||
| 134 | 134 | 265 | 265 | 464 | 464 | 743 | 743 | |||
| 754 | 754 | |||||||||
Specifications for FREQUENCY SF401/SF103
| FUNCTION |
SF-401-PLUS |
SF-103 |
| Frequency Range: | 27MHz-3000MHz | 2MHz-2800MHz |
| Gate Speeds select: | N/A | 0.1 / 0.25 / 0.5 / 1.0 Second |
| DIGITAL: | 3-4 | 3-6 |
| Input sensitivity | -9dbm | -20dbm to-15dbm |
| DIGITAL mode : | DMR system | |
| Distant : | 0.3-1M | 0.3-9M |
| Walkie talkie code of CTCSS/DCS: | must be 132-173 / 200-260MHz / 400-519MHz | |
|
Signal attenuation s.w.
|
-10db by switch | AUTO GAIN |
| Li-ion Battery Built-in: | 600mAH | 1500mAH |
| TFT LCD: | 320 x 240 pixels | |
| Current consumption: | 10MA | 30-50MA |
| TCXO crystal Oscillator | +- 2.5ppm | +- 2.5ppm |
| Charger input: | Micro USB +5V in | |
| Impedance input: | 50 Ohm (BNC) | |
| Weight: | 100g | 113g |
| Dimensions size : | 70 x 25 x 90mm ( not include antenna & BNC socket) | |