Control Company 4115 RADIO-SIGNAL REMOTE THERMOMETER - Manual (Page 12)

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3. Use the ADVANCE (L) button to set the upper or lower temperature.
If this is the first time setting limits, the lower limit will start from -58 °F
(-50°C) and the upper limit 158°F (+70°C). Otherwise, the reading will
start from the temperature last selected.
Each press of the button will increase the temperature by 1 degree.
Holding the button down will step in increments of 5 degrees.
4. Press TEMP AL ON/OFF button to switch off the “OFF” message. The
set limit will be displayed.
5. Press HI/LO button to set another limit or return to normal display. The
respective HI, LO, or both indicators will light up to signify the status of
the alarm.
When an alarm goes off, the display will switch to the respective channel
with the display flashing. If undisturbed, the alarm will sound for a minute.
Press any key to mute the alarm momentarily. The alarm will sound again if
the temperature still exceeds the set limit.
To disable the alarm, select the channel and use ON/OFF TEMP AL button
to turn it off.
If upper and lower temperatures for more than one channel have been
set, and the limits are exceeded for more than one channel, the alarm will
sound with the display switching from one channel to another at
5-second intervals.
DISCONNECTED SIGNALS
If without obvious reasons the display for a particular channel goes blank,
press CHANNEL and MEM to force an immediate search.
If that fails, check:
1. The remote unit for that channel to see if it is still in place.
2. The batteries of both the remote unit and the main unit. Replace as ces