FORENSICS DETECTORS FD-90E-RED Operation Manual page 4

4.Operation Instructions
4.1 Device ON / OFF
Press the button and then release it to turn ON the detector. Press the
same button to turn it OFF in any case.
Every time the device is turned ON, it will undergo a self-check process
4.2 Self check
Welcome to use Sound check.....
Starting....
59
After self-check has completed, the device enters into detection interface
(see next).
4.3 Detection interface
4.3.1 Overview
Sound mode(may be
muted by pressing then
12 48 :
release it, vice versa)
Time
Gas concentration
29%RH
Humidity
4
Light check....
Vibrate check....
Battery status
86%
Gas status(NORM-normal,
NORM
0
LA -low alarm, HA -high alarm,
RA-range alarm)
PPM
Unit
30℃
Temperature
4.3.2 Parametric query
On the detection interface, press
Date: 2018.06.25
Time: 15:45
LA : 500 ppm
HA : 2000 ppm
RA : 1000 ppm
BAT : 3.96V 86%
4.3.3 Alarm types
Low alarm: Red LED light +"LA" on detection interface+ slow
▶
beeping + vibration
High alarm: Red LED light +"HA" on detection interface + fast
▶
beeping + vibration
Range alarm: Red LED light + "RA" on detection interface + fast
▶
beeping + vibration
For personalized setting or alarm records review/deletion purpose,
press on detection interface, then it will enter the function menu
(see below).
4.4 Function menu
Press or to choose a specific function, then press
MENU
1.Gas Zero
2.Gas Calib
3.LA Set
4.HA Set
5.Unit Set
to see all parameters.
ADV : 0278
Volt : 0.22V
BL : 5MIN
to enter.
Zero adjustment
Gas calibration
Set low alarm point
Set high alarm point
Set unit(μmol/mol or ppm)
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