RIOTEC DC9278K Quick Manual

Quick Guide
-DC9278K
1
Suction Cup Exit Window
PU Glue
(Can be used
repeatedly)
Micro USB
cable (OTG)
Connect to micro USB port of OTG device
2
Indicator
(LED)
Li- Ion Battery
3
C=Charge mode
O=Operation mode
Before you use scanner, please switch to "C" for battery
*
charge for 3~4 hours.
Under "C mode", you can raise/lower soft-keyboard
*
easily. (For USB HID only)
4
Charge port
DC9278K is with Li-Ion battery inside. When in charging,
please use the original power adaptor of OTG device
(recommend). Through it, it charges both OTG device and
DC9278K internal battery at the same time. When in low
battery (Red LED flashing), please charge it immediately.

LED Indicator Information

Green LED OFF Full charged (Charge mode)
Green LED ON Charging (Charge mode)
Red LED Flashing Low battery (Operation mode)
Attention: Under "Operation mode" please do not charging,
otherwise the OTG device's battery will be charging back to
DC9278K's battery.
1
5
Button
Trigger
Indicator (LED)
Touch Trigger Area
Button Trigger
The touch sensor area is around the central area. There are 2
button trigger on the right and left side.
Please check the above drawing for your reference.

Installation

Before using scanner, please make sure that the OTG device is
fully charged.
1. Under USB HID interface
** When plugged into OTG device, it will be recognized and
begin to scan the barcode.
2. Under USB Serial interface
** Please install PL-2303 driver into your OTG device first.
PL-2303 driver can be downloaded from Google Play
** Connect scanner to your OTG device, then, you can
know which serial port scanner connects to.
** The data you scan will be sent to serial port and your
APP can get the data from serial port directly.