Honeywell TS03C User Manual
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BEFORE YOU BEGIN
• The remote sensor can be placed indoors or
outdoors; the main unit must be placed indoors.
• We recommend using alkaline batteries for the remote
sensor and main unit when temperatures are above
32°F (0°C). We recommend using AA lithium
batteries for the remote sensor when temperatures
are below 32°F (0°C).
• Avoid using rechargeable batteries. (Rechargeable
batteries cannot maintain correct power requirements).
• Insert batteries before first use, matching the polarity
in the battery compartment.
• ALWAYS install batteries in the remote sensor
before
the main unit.
• Press RESET after each battery change with a paper
clip or similar tool.
• During an initial setup, place the main unit as close
as possible to the remote sensor.
• After reception is established (the remote temperature
will appear on the main unit’s display), position the
remote sensor and the main unit within the effective
transmission range of 100 feet (30 meters).
NOTE:
1. Avoid pressing any buttons on the main unit before
the remote temperature is displayed for about 2
minutes.
2. The effective operating range may be influenced by
the surrounding building materials and how the
receiver and transmitter are positioned.
3. Place the remote sensor so that it faces the main unit
(receiver), minimizing obstructions such as doors,
walls, and furniture.
4. Though the remote sensors are weather-resistant,
they should be placed away from direct sunlight, rain
or snow.
E. WALL-MOUNT RECESSED HOLE
• Keeps the main unit on the wall
F. C°/F° BUTTON
• Selects temperature display in Celsius or
Fahrenheit
G. BATTERY COMPARTMENT
• Accommodates 2 (two) UM-3 or AA 1.5V
alkaline batteries.
FRONT VIEW
A. TEMPERATURE INFORMATION IN
A TWO – SECTION LCD DISPLAY
B. CHANNEL BUTTON
• Recalls the desired remote channel and indoor
readings
C. MEM BUTTON
• Toggles between current, minimum and maximum
readings of the indoor and remote temperatures
• Clears the maximum and minimum temperature
memory
D. SEARCH BUTTON
• Enforces the remote sensors signal search
REAR VIEW
REMOTE SENSOR
FEATURES
• Remote temperature transmission to the main unit
via 433 MHz signal
• Case can be wall mounted using built-in hanger
• 100 feet (30 meters) transmission range without interference
• Selection of the temperature display in Celsius or
Fahrenheit
• Channel selection
A. LED INDICATOR
• Flashes once when the remote sensor transmits a
reading to the main unit.
• Flashes twice when battery power is low.
B. BATTERY COMPARTMENT
• Holds two AA-size batteries
C. RESET
• Resets all readings
D. WALL-MOUNT RECESSED HOLE
• Keeps the remote sensor on the wall
E. °C/ °F SELECTOR
• Selects the temperature display in Celsius or Fahrenheit
F. CHANNEL SWITCH
• Selects the desired channel
THERMO – HYGRO SENSOR
TM
1
D
B
E
C
A
F
S
IZ
E
A
A
/
U
M
3
S
IZ
E
A
A
/
U
M
3
E
B
D
C
F
G
SEARCH
CHANNEL
MEM
4 3 3 M H z C A B L E F R E E
°C/°F