Skytech II AF3003TX Remote Control Transmitter User Manual
Skytech II, Inc. Remote Control Transmitter
user manual

AF-4000CFMHH Operation description 
  This remote control SYSTEM offers the user a battery-operated remote 
control that operates most millivolt gas valves used in some heater rated gas 
logs, gas fireplaces and other gas heating appliances. 
The transmitter operates on (2) 1.5V AAA batteries. 
It is recommended that ALKALINE batteries always be used for longer 
battery life and maximum operational performance. 
Before using the transmitter,  install the (2) AAA transmitter batteries into the 
battery compartment. (Use caution that batteries are installed in the proper 
direction) 
KEY SETINGS 
MODE 
Changes unit to ON / Thermo / OFF mode position. 
UP / DOWN 
Changes temperature, time(r) and other functions’ 
value. 
FAN / MAIN FLAME/REAR FLAME / TIMER / LIGHT 
Changes each function by UP/DOWN key. 
SET 
Sets temperature, time(r) and other functions. 
PROG TIMER 
  Set / Activate Program Mode. 

LCD 
1. ON / THERMO / OFF 
 Indicates current mode. 
2. ROOM °F OR °C 
Indicates current room temperature. 
3. LIGHT 
Indicates light/valve in operation. 
4. FAN 
Indicates Fan/valve in operation. 
5. MAIN FLAME       
Indicates Main burner/valve in operation. 
6. REAR FLAME 
Indicates Rear burner/valve in operation. 
7. SET °F OR °C 
Appears the desired temperature to indicate setting room temperature during the time of setting in the 
thermo operation. 
8. Battery icon 
Indicates the battery is low or not. 
9. Continuous Pilot   
Indicates continuous pilot enable/disable. 
10. TIMER / TIME 
Appears the time and the countdown timer. 
11. Program Function 
Indicates program is enable or not in own period time. 
MANUAL FUNCTION 
Initial Setup 
pressing the FLAME REAR and PROG/TIME buttons simultaneously for 5 seconds. this will into the initial 
setup mode. Each function scale setting is changed by “UP” or “DOWN” key. 
Setting of C/F conversion: 
C/F conversion: Use UP or DOWN key to choose Celsius or Fahrenheit, Press "SET" button to continue to 
gas type setup. 
Gas Type Conversion: 
NG/LP conversion: Use UP of DOWN key to choose Natural Gas or Liquid Propane, Press "SET" button to 
continue to clock set up. 
Clock Setup:   
Use UP or DOWN key to set HOUR, then press SET to enter “Minute” setting. 
Use UP or DOWN key to set “Minute”, and then press SET to enter AM/PM setting. 
Use UP or DOWN key to set AM/PM, the press SET to enter day of week setting. 
Use UP of DOWN key to select the day of the week. 
Mode 
To operate the system in the manual “MODE” does the following. 
ON OPERATION 
Press the “MODE” key into the ON mode. The appliance flame and fan will come on. During this 
time the screen will show ON. All the functions, FAN / MAIN FLAME/REAR FLAME / TIMER / LIGHT, 
will be active. 
 THERMO OPERATION 
Press the “MODE” key into the THERMO mode. The transmitter will check the ROOM temperature 
and SET temperature to decide the situation THERMO ON or THERMO OFF. After 2 seconds the LCD 
screen will display the situation by temperature detected that is comparing with the SWING temperature 
(2°F / 1°C) scale. 
OFF OPERATION 
Press the “MODE” key into the OFF mode. The appliance flame and fan will shut off. During this 
time the screen will show OFF. All the functions, FAN / MAIN FLAME/REAR FLAME / TIMER, will be 
shut down exception of LIGHT function. 
 THERMOSTAT FUNCTION 
SETTING DESIRED ROOM TEMPERATURE 
This remote control system can be thermostatically controlled when the transmitter is in the 
THERMO mode. To set the THERMO MODE and DESIRED room temperature, 
During the THERMO mode, Press “Up” / “DOWN” key the LCD screen set numbers will increase / 
decrease between 45° and 99°(*) then loop the temperature. 

THERMO ON situation 
During this mode the screen will display the set flame/valve and fan/value at the same time enable the 
functions setting. 
THERMO OFF situation 
During the situation the functions, FAN / FLAME / TIMER, will be shut down exception of LIGHT 
function  
NOTE: (*) The highest SET temperature is 99° Fahrenheit (32° Celsius) and the lowest temperature is (45° 
Fahrenheit (6° Celsius) 
FCC Compliance Statement: 
This device complies with Part 15 of the FCC Rules.  Operation is subject to the 
following two conditions: (1) This device may not cause harmful interference, and (2) 
This device must accept any interference received, including interference that may 
cause undesired operation. 
Note: The manufacturer is not responsible for any radio or TV interference caused by 
unauthorized modifications to this equipment.  Such modifications could void the 
user’s authority to operate the equipment. 
15.19 FCC Compliance Statement
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference,  and
(2) This device must accept any interference received, including
interference that may cause undesired operation.
15.21 Statement
Changes or modifications not expressly approved by the party
responsible for
compliance could void the user’s authority to operate the equipment.