Teledyne 7600 - Infrared gas analyzer - operating manual - Manual (Page 73)

Infrared Gas Analyzer Operation
Teledyne Analytical Instruments 73
interval (1) and (2) , the peak count alarm remains ON. At (2), the peak
count has fallen to 4 per hour so the peak alarm is turned OFF.
Like the hysteresis of the alarm setting , the hysteresis prevents
possible chattering when measured gas is fluctuated near the alarm
value.
CAUTION: FOR 10 MINUTES AFTER THE POWER IS TURNED
ON, A PEAK ALARM COUNTING IS NOT
PERFORMED.
Releasing peak count alarm:
To release the peak count alarm, set the peak alarm to OFF.
Turning the peak alarm back ON again resets the count to 0.
3.5.7 Parameter Setting
This menu allows you to adjust parameter settings such as:
• Time
• Key lock
• Output hold
• Reset average output
• Response time
• Average period
• Backlight timer
• Enter maintenance mode
Description of setting items:
Current Time: Current year, month, date, day of the week, hour, and
minute setting in this order.
Note: The clock backup time is 2 days. If power is off for 2 days or
longer, the time setting will need to be set again.
Key Lock: Sets with ON/OFF. When set to ON, all key
operations except key lock OFF are disabled.
Output Hold: Sets whether calibration output is held or not, and
the holding value setting.