Phonetics SENSAPHONE EXPRESS II User Manual page 80

The Express II's number of
5. The Express II and
"rings until answer" is set to
telephone answering
device (sharing the the same number of rings as
the telephone answering
same line) answer
device.
incoming calls simulta-
neously.
II. TEMPERATURE
MONITORING
Open circuit on the input.
1. The temperature
o
reading is low: -85 F or
-65 o C.
The circuit is shorted.
2. The temperature
reading is high: 200 o F
o
or 93 C.
The sensor may be incompat-
3. The temperature
ible with the unit. See 2.8K
reading is inaccurate.
and 10K thermistor look-up
tables in Chapter Three.
The sensor may simply need
calibration.
III. SOUND
MONITORING
The programmed sound
1. False high sound
sensitivity and recognition time
alarms occur frequently.
results in over-sensitivity to
non-alarm sounds as well as
alarm sound.
The microphone is not close
2. High sound does not
enough to the sound source,
cause an alarm.
or the programmed sound
setting results in a lack of
sensitivity to the high sound.
Increase the "rings until answer" in the
Express II.
Check wires for a loose connection or
broken wire.
Check the wiring to see if the wires
touch.
Replace the sensor with a compatible
model.
Calibrate the input. See "Inputs" in
Chapter Five for information on
calibrating the input properly.
Reprogram the sound sensitivity to a
less sensitive value and increase the
recognition time. See "Sound" in
Chapter Five.
Move the microphone closer to the
sound source and/or reprogram the
sensitivity and recognition time. See
"Sound" in Chapter Five.
Appendix A: Troubleshooting 73