Surecom SF-401 User Manual

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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30-9-201
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Surecom SF-401 Specifications

General

Brand	Surecom
Model	SF-401
Category	Cash Counter
Language	English