www.gastron.com
26
_
27
GTC-540
Instruction Manual
- To change Alarm 1 delay time, pressing "UP" S/W or "DOWN" S/W increases or decreases the
-
time in unit of seconds (Default 1)
- Ex.) Alarm set Value: 20%LEL/delay Time: When it is at 5 sec, Alarm triggers when the
-
measured value is above the set value based on 20%LEL for 5 sec or longer. When it goes
-
down below the set value within 5 sec, alarm is not triggered.
- When a desired Alarm 1 delay time is displayed, press "FUNC" S/W to set it and enter the next item.
- When "RESET" S/W is pressed, it returns to Alarm Setting Mode.
- It is a mode to set Alarm1 contact output.
- Press "FUNC" S/W to enter Alarm 1 contact output setting function.
- When "RESET" S/W is pressed, it returns to Alarm Setting Mode.
- It is a mode to change Alarm1 contact output and "ON" and "OFF" mode changes when "UP" S/W
-
or "DOWN" S/W are pressed.
- Alarm1 contact output mode has two modes; "ON" and "OFF". In OFF mode, Alarm 1 contact
-
output does not run. In ON mode, it runs.
- When a desired Alarm 1 contact output mode is displayed, press "FUNC" S/W to set it and enter
-
the next item.
- When "RESET" S/W is pressed, it returns to Alarm Setting Mode.
- Alarm 1 blink output setting function that sets Alarm1 contact output to go ON/OFF at 1 sec
-
interval during buzzer operation.
- Press "FUNC" S/W to enter Alarm 1 blink output setting function.
- When "RESET" S/W is pressed, it returns to Alarm Setting Mode.
- It is a mode to change Alarm1 blink output and "ON" and "OFF" mode changes when "UP" S/W
-
or "DOWN" S/W are pressed.
- Alarm1 blink output mode has two modes; "ON" and "OFF". In OFF mode, Alarm 1 blink output
-
does not run. In ON mode, it runs. (However, it runs when Alarm1 contact output mode is ON.)
- When a desired Alarm 1 blink output mode is displayed, press "FUNC" S/W to set it and enter
-
the next item.
- When "RESET" S/W is pressed, it returns to Alarm Setting Mode.
▼ ▲
- A message indicating completion of setting is displayed as "End" for 2 sec then it returns to gas
-
concentration display status.
* Alarm 2 and Alarm 3 setting modes are the same as Alarm 1.
6.4.4. Option Mode (Option setting)
■ After setting a password, move to "UP" S/W or "DOWN" S/W then press "FUNC" S/W to enter the mode.
■ In Option setting mode, when it passes 10 sec after the last S/W control, it automatically returns to gas
concentration display mode.
■ In option mode, most settings are factory preset, therefore, this function should not be adjusted.
When it is unavoidable, the user must seek help from GasTron to adjust.
- It is a mode to set Option function.
- When "FUNC" S/W is pressed, it enters Option setting mode.
- When "RESET" S/W is pressed, it returns to gas concentration display mode.
- It is a mode to set FND display and output value when it is in Stand-by Mod
- Press "FUNC" S/W to enter n-L setting function.
- When "RESET" S/W is pressed, it enters Option Setting Mode.
- By pressing "UP" S/W and "DOWN" S/W, it can be set in full range.
- (Default: 0 Oxygen : 20.9(Ex., Setting 0 : 4mA, Full Range : 20mA))
- When a desired n-L value is displayed, press "FUNC" S/W to set it and enter the next item.
- When "RESET" S/W is pressed, it enters Option Setting Mode.
- Item to set whether to use a function that displays Und on FND when a negative value is below
-10%.
- When "FUNC" S/W is pressed, it enters Under setting mode.
- When "RESET" S/W is pressed, it enters Option Setting Mode.
▼ ▲
Full Range
6. Operation Method
6. Operation Method
