7. Maintenance
7-2. Regular maintenance mode
- 48 -
PW
A1
A2
F
LCD
User Mode
In "1-8. M MODE",
press the SET key.
●
○
○
○
1- 8
M MODE
MAINTENANCE
↓
↓
Then press the SET key
again for three seconds.
●
○
○
○
- - - -
M MODE
MAINTENANCE
↓
Regular maintenance
mode
↓
2-0. GAS TEST
Perform a test with the
gas.
Similar to the detection
mode, the reading
changes and the alarm
lamp lights up after the
gas is introduced, but
the contact is not
activated.
●
○
○
○
2- 0
GAS TEST
MAINTENANCE
→
SET
0.2 ppm
GAS TEST
MAINTENANCE
｜↑
▲
｜｜
▼
↓｜
↓
(Alternate Display)
↑
0.2 ppm
COS
MAINTENANCE
2-1. ZERO
Perform zero
adjustment.
●
○
○
○
2- 1
ZERO
MAINTENANCE
→
SET
Zero adjustment
=> P65
▲
↓↑
▼
2-2. SPAN
Perform span
adjustment.
●
○
○
○
2- 2
SPAN
MAINTENANCE
→
SET
Span adjustment
=> P66
▲
↓↑
▼
2-3. LAST CAL
Display
the last
calibrated date.
●
○
○
○
2- 3
LAST CAL
MAINTENANCE
→
SET
12:00
2009.01.01
MAINTENANCE
▲
↓↑
▼
2-4. BIAS
Display
the bias voltage
"BIAS" of
electrochemical type
(ESU) or the element
voltage "E VOLT" of
semiconductor type
(SGU).
* Element voltage is not
used on the gas
detector.
●
○
○
○
2- 4
BIAS
MAINTENANCE
→
SET
0 mV
BIAS
MAINTENANCE
▲
↓↑
▼
PW: POWER
A1: ALM1
A2: ALM2
F: FAULT
●
: Lamp on
○
: Lamp off
