QF inder User ’ s Manual
A. Overview QF inder utilizes th e GPS technology to mark your desire d locations and allo ws you to be
back to the locations lat er at anytime by the pr ecis e digital compass with8 ‐ directional
arrows. It’ sa pr et ty practical tool in terms of hi king, ca mpin g, ka yak in g , fishing, parki ng,
and tra veling.
B. ProductNotice
z QF inder must be used outdoor s because it utilize s GPS tech no lo gy to mark
locations.Indoor en vironment will cause the device unable to receiv e satellit e
signals to find your locationand movement, such as in am indoor parki ng ga rage
z Fo r the first time use or not use after a long time
of the device, itwoul d need more
time to get GPS fixed.
z The ma nufacturer assumes no responsibility fo r any damage s and lossresulting
from theuse of this manual or from misuse of the product in any way
z Please clean the unit with a dry and clean soft
close. Do not use harsh cl eaning
solvents , chemicals, alcohol,or strong detergents
z Do not attem pt to take apart the device by yoursel f . Unauth oriz edhacking may
damage the unit, and void your wa rranty
C. Standard Packa ge
1. QF inde r 2. Neck Lanyar d
D. Features z 4 location back points (A/B/C/D point)
z The es ti mat e straight line distance measuring of the location back poin ts
z LC D Display with Back light
z Support Digital Compass with 8 ‐dir ectional arro w
z Support Te m p e r a t u r e and Real Tim e(T i me Zon e ad jus tab le)
z Ad opt s SiRF Star III GPS GPS chipset
z High
sensitivity ‐159dBm and 20 ‐Channel tracking
z Smart power saving and oper ates on2 AAA batterie s (not included)
z IPX‐6 Wa t e r resistan ce
z Support standar d NMEA‐ 0183 pr ot ocol
E. Product S pecifica tion
General
GPS Chip SiRF Star III
Frequency L1, 1575.42MHz
C/ A Code 1.023MHz chip ra te
Channels Support 20 channels
Antenna (Intemal) Built‐ in low noise antenna
Sensitivity To‐ 159dBm Tr a c k i n g , Superi or Urban Can yon Perfo r ma n ce
Acquisition Rate Cold Start 42 sec, average
Wa r m Start 38 sec, average
Hot Start 1 sec, average
Reacquisition 0.1sec
Accuracy Position <10M at 2D RMS
Ve l o c i t y 0.1m/sec, without SA
Ti m e 1μ s sync h roni zed to GPS time
Datum WGS‐ 84 Dynamic Conditions Altitude <18,000m
Ve l o c i t y <515m/sec
Acceleration <4G
Motional Jerk 4 m/ sec.
Display& Button
LCM‐ ICON 33x42m m display siz e
2 Buttons (Pow er/ Mode and Mark/Backlight)
GPS Prot ocol
Def ault: NMEA‐ 0183– GGA, GSA, GSV , GLL, RMC, VTG
Baud rat e 4800~38400 bps , Data bit: 8, stop bit: 1(Default)*
Device Size
88Lx53Wx29D mm
100g (excluding bat tery)
Powe r
2 x AAA batterie s (for both alk aline and rechar geable)
Operation Curr ent <55mA (T y pical)
Operation Ti m e 12hrs,
Functionality
E‐ Compass 4 location back (A/B/C/D marks)
Te m p e r a t u r e(℃ / ℉)
Ti m edisplay
Accessorie s
Lany ard
Envir o nmental
Operating Te m p e r a t u r e
0℃ to + 60 ℃
Storage Te m p e r a t u r e
‐20 ℃ to + 70 ℃
Wa t e r resi sta nc e IPX‐6
F. Appearance Icon Indicators:
Battery status
Compass mode
GPS Fi x
Te m p e r a t u r e Mode
(Flash)
GPS not Fi x
A/B/C/D location mode
G. Ha rdwa re Function
Hardw are Func tion Description
Powe r on/off th e
device
HoldMode/Power button for 1sec to power on; hold
Mode/Powerbutton ag ain fo r 3sec topower off
Mode swi tch
Af te r power on, short pushMode/Power button to
switch among different modes
Mark location
Short pushMode/ Power button to select either
A/B/C/D location and holdMark button for 3sec to
mark
Setup time zone
1. In compass mode, holdMark button fo r 3sec
2. PressMode/Pow erbutton to cha nge time zone
3. HoldMark butt on fo r 3sec to finish setup
Change
temper ature/distance
Unit
In tempera t ure/dist ance mode, hold bothMark and
Mode/Powerbutton for 3sec
30 sec Backlight
Short pushBacklight/Mark button to enable backligh t
for 30sec
Note: The device will automatically power off after 30 minutes without pushing any
button to save ener gy .
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