Model 26-1 Frisker User’s Manual Section 2
Ludlum Measurements, Inc. Page 2-8 April 2017
MAX Mode Operation
While in MAX mode, the highest detected count rate (since the last reset) is
displayed. The word MAX will be displayed when in MAX mode.
Pressing the UNITS button will switch the displayed value between the
Primary and Secondary Units.
Under a non-alarm condition, the Alarm Status LED will be off; pressing
the ON/ACK button will turn the “click” audio on/off. Pressing the
ON/ACK button a second time will reset the display and enable the “click”
audio.
If an alarm condition is present, pressing the ON/ACK button once will
acknowledge and turn off the continuous tone alarm audio. (The “click”
audio will remain as selected under non-alarm conditions.) Pressing the
ON/ACK button a second time will reset the display and clear the alarm
condition. Under an alarm condition, the ALARM display indicator will
remain on, and the Alarm Status LED will be flashing. Alarms in MAX
mode latch with the display.
If other operational modes are available, pressing the MODE button will
move to the next available operational mode.
Figure 6: MAX mode operation display with ALARM indicator and alarm
LED.
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