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5020A
Users Manual
5-4
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Figure 5-3. Channel Menu
Channel Setting
The CHANNEL SETTING function allows you to turn the channels on or off, set the
measurement period, turn averaging on or off, and set the time over which the rate of
change is calculated for measurements.
These settings may be password-protected to prevent them from being changed. The
channels are turned on or off by selecting the channel and then the ON or OFF setting
using the B C buttons.
MEA PER, measurement period, is the time interval at which the measurements are
updated on the display. You may select between 1, 2, 5, 10, 15, and 30 seconds, 1, 2, 5,
10, 15, 20, and 30 minutes, or 1 hour for the measurement period. AVERAGE may be
turned to ON or OFF. When average is on, the temperature and humidity values
displayed are averaged over the measurement period. When average is off, the displayed
values are instantaneous measurements.
RATE T, rate time, determines the time interval over which the measurements are used to
calculate the rate of change, and is selectable between 30 seconds, 1, 2, 5, 10, 15, 20, 30,
45 minutes, or 1 hour. The temperature rate is displayed in the RATE T field of a STATS
display zone. The humidity rate is displayed in the RATE H field of a STATS display
zone. If RATE T is 5 minutes or less, the rate of change is calculated as the average rate
of change using all the measurements obtained during the past RATE T time. If RATE T
is greater than 5 minutes, the rate of change is calculated using the most recent
measurement and the measurement obtained RATE T time ago. If there are as yet
insufficient measurements to calculate the rate of change, only dots are displayed in the
RATE T or RATE H field.