Manual

7 Regular Maintenance Mode
GD-70D - 50 -
Regular Maintenance Mode
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
MAINTENANCE
→
SET
0.2ppm
GAS TEST
MAINTENANCE
↓(Alternate Display)↑
0.2ppm
SIH4
MAINTENANCE
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- 1
ZERO
MAINTENANCE
→
SET
Zero Adjustment
⇒P65
2-1.ZERO
Perform the zero adjustment.
▲↓ ↑▼
● ○ ○ ○
2- 2
SPAN
MAINTENANCE
→
SET
Span Adjustment
⇒P66
2-2.SPAN
Perform the span adjustment.
▲↓ ↑▼
● ○ ○ ○
2- 3
LAST CAL
MAINTENANCE
→
SET
12:00
2009.01.01
MAINTENANCE
2-3.LAST CAL
Show the last calibrated date.
▲↓ ↑▼
● ○ ○ ○
2- 4
BIAS
MAINTENANCE
→
SET
0 mV
BIAS
MAINTENANCE
2-4.BIAS
Show the bias voltage "BIAS"
of electrochemical type (ESU)
or the element voltage
"EVOLT" of semiconductor
type (SGU).
▲↓ ↑▼
PW: POWER
A1: ALM1
A2: ALM2
F: FAULT
●: Lamp on
○: Lamp off