Surecom SF-401 User manual

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All Products » Radio Equipment » Frequency Counter
Item Name: SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter
USD 44.50 USD 55.50
Item Code: SF-401PLUS
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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter
Description
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 of 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.
• Easy Battery level
Feature & Specification:
• Frequency range: 27Mhz-3000Mhz
! Note: (27MHz to 100MHz It can not be guaranteed and the corresponding normal emission appliance)
• CTCSS/DCS Decoder (must be 136-174/400-520MHz)
• Frequency counter for DMR radio
• Frequency digital 0.000 or 0.0000 ( +-0.001)
• 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
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Specifications for SF-401 and SF-401 PLUS
FUNTION SF-401-PLUS
DIGITAL RADIO signal: DMR
CTCSS/DCS CHECK 136-174 / 400-520MHz
Signal attenuation s.w. -10db
Battery Built-in: level ICON
TFT LCD: 320 x 240 pixels
Li-ion Battery build-in : 3.7V 600mah
Current consumption: 10MA
TCXO crystal Oscillator +- 2.5ppm
Changer in: Micro USB +5V
Impedance input: 50 Ohm (BNC)
Weight: 113g
Dimensions size : 70 x 25 x 90mm
SF-401PLUS
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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409sh
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Power On/Off
Power On –Press and Hold down the [black key] by 2 second
Power Off –Press and Hold down the [black key] by 4 second of number count down to 0
Charging the battery
Plug the Power cord into adaptor , Micro USB connected SF-401, The Led indicating:
*The RED Led is light - Charging
* The Green Led is light - Full
How to check Frequency measuring. See PIC.3
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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409sh
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The transmitter near the frequency counter antenna , see the signal reception conditions is zone green, you can test. Please see Pic.3
cautions:
e.g. display 1800.000Mhz , The transmitter distance is too close to the frequency counter will affect the test results, , the signal bar is red .(see Pic.1)
e.g. display 0.000, , The transmitter distance is too far to the frequency counter and signal is weak ,will affect the test results, the signal bar is low .(see Pic.1)
! Note: (27MHz to 100MHz It can not be guaranteed and the corresponding normal emission appliance) .
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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409sh
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http://www.409shop.com/409shop_product.php?id=123940

.
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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409sh
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http://www.409shop.com/409shop_product.php?id=123940

How to check Frequency of Digital DMR Radio
Press[ F3 Digital] from Measuring screen mode See PIC.1
Note: Use Digital mode have 3 Decimal only
MENU funtion setting and save. See PIC.4
Press [F1] > into menu Page
Press [F3 down] or [F4 Up] into System and Press [F2 Rtn] into system Page PIC.4
Press[F3 down] or [F4 Up] select funtion ,Press [F2 Edit] > [F3 - ][F4 +] change mode
Press[Menu] > [F1 ]to Exit or [F4 ] to Save and Exit
How to check CTCSS/DCS code
1.Radio must be 136-174/400-520MHz
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) sf401
check Standard(N) sf401
check Standard(N) sf401
check Standard(N) sf401
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
Q&A of SF-401 plus Frequency Counter
Problem: Frequency counter cannot check VHF frequency
Solutions:
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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409sh
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http://www.409shop.com/409shop_product.php?id=123940

1) Swtich the ATT button into left hand side
2) Then change the antenna into VHF or Dual band, as customer are using UHF antenna, but checking VHF band
3) If you really using the UHF antenna to check it, please try to slant your radio to the frequency counter, like the following picture
Package Contents
1x SF401 PLUS Frequency Counter
1 x UHF Antenna
1x English User Manual
1x USB charger cable
1x USB AC adapter 100-240V
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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409sh
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http://www.409shop.com/409shop_product.php?id=123940

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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409sh
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30-9-201
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http://www.409shop.com/409shop_product.php?id=123940

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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409sh
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30-9-201
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http://www.409shop.com/409shop_product.php?id=123940

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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409s...
30-9-201
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http://www.409shop.com/409shop_product.php?id=123940

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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409s...
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http://www.409shop.com/409shop_product.php?id=123940

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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409s...
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http://www.409shop.com/409shop_product.php?id=123940

ANTENNA / ANALYZER
VSWR /POWER / METER :
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SURECOM SF401-PLUS Portable CTCSS/DCS Decoder Frequency Counter 409s...
30-9-201
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http://www.409shop.com/409shop_product.php?id=123940