Optex PT-7LD, Instruction Manual

Page: 12 / 56

When any temperature higher than a preset value is measured, an alarm LED (red) turns on and an
alarm bell (high tone) goes off.
[Setting "High Limit Temperature for Alarm"]
Enter the setting mode for "High Limit Temperature for Alarm"
according to the procedure described in page 11. The initial
setting is at 200.0
˚ C.
Press or button in the setting mode to change the
temperature vale, which your need alarm at.
Press SET/ENTER button to set the displayed value as the
High Limit Temperature for Alarm.
Attention: The "High Limit Temperature for Alarm" cannot be
set at lower temperature than "Low Limit Tempera-
ture for Alarm".
[Turning ON/OFF Alarm Function]
When the High Limit Temperature setting is completed, the
setting mode for ON/OFF Alarm Function appears. Press
. or button to select ON or OFF.
Press SET/ENTER button to set ON or OFF. While the Alarm
function is OFF, the Alarm function does not work even if the
measuring temperature goes higher than a preset level.
Setting mode for
"High Limit Temperature for Alarm"
(Initial setting: 200.0 ˚ C)
Setting
–– "High Limit Temperature for Alarm"
12
Changing the temperature value to
120.0 ˚ C by using / button.
Setting the temperature value with
SET/ENTER button.
Alarm function: ON
Alarm function: OFF
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