Wattcher Monitor/Alarm Model 3170B
10
Figure
6
Controls and Indicators
1
2
3
4
5
6
7
LED’s
Calibrate
Operate
Switch
Adjust Set-Points
1.
Set the CALIBRATE/OPERATE switch to the CALIBRATE position (to the left).
2.
Do one or more of the following:
Set the Forward Power Level Alarm Trip Point
a.
Adjust the forward reference potentiometer to set the meter to indicate the power level at which the
forward alarm is to be tripped.
b.
Adjust the forward set-point potentiometer until the miniature LED to the left of the potentiometer is
just at the transition from off to on.
Note:
Turning the potentiometer clockwise will raise the set-point and turn the light off.
Set the Reflected Power Level Alarm Trip Point
a.
Set the reflected trip point, on the reflected potentiometers, in a similar manner to the forward trip
point. See
"Set the Forward Power Level Alarm Trip Point" on page 10
.
Note:
The alarm will trip during this operation. It can be reset when completed.
Set the Confirm Set-Point
a.
Adjust the forward reference potentiometer to set the trip point level.
b.
Adjust the confirm set-point potentiometer until the miniature LED to the left of the potentiometer is
just at the transition from off to on.
Note:
If the confirm output is not used, it is not necessary to adjust the confirm set-point potentiome-
ter.
3.
Return the CALIBRATE/OPERATE switch to the OPERATE position (to the right).
1
Calibrate/Operate Switch
2
Forward Reference Adjustment Potentiometer
3
Reflected Reference Adjustment Potentiometer
4
Forward Set Point Potentiometer
5
Reflected Set Point Potentiometer
6
Confirm Set Point Potentiometer
7
Forward Monitor Active Delay Dip Switch
