1. APPROVAL SIGN 99. 4 NoDATECONTENTS OF MODIFICATION GTEC-0016 S/W APPROVAL SHEET GTS M/L APP. TEAM DATE ; 99. 4. 28. No. 9904 CHECK SUM :2D13h@27C256 Globaltec Electronics Ltd XL LIANG

2. DesignCheckApproval Date 04/28/99 GTS CO., Ltd. Specification Specification No. Page of Type GTS Page of GTEC-0016 Software Spec Sheet Product Purpose Function Features Operating frequency : 300~500KHz Instruction cycle : fosc/6 (at 300~500KHz) Built in capacitor for ceramic oscillation circuit (Masked option for KHz ver.) Low operating voltage : 2.0~4.0 V (at 300~500KHz) 4 bit 1 chip microcomputer Infrared remote control encoder 8 x×6 key matrix scan 24

3. DesignCheckApproval Date 04/28/99 GTS CO., Ltd. Specification Specification No. Page of Type GTS Page of GTEC-0016 M50560-001P A single pulse, modulated with 40KHz signal at 480KHz Tc T1 Carrier frequency f CAR = 1/Tc = f OSC /12 Duty ratio = T1/Tc = 1/3 - Configuration of Flame C0C1C2C3C4C5C6C7D0D1D2D3D4D5D6D7 Lead Pulse Low Custom Code Data Code Separation Period 4ms 8ms - Bit Description 0.5ms 1.0ms 0.5ms 2.0ms Bit ″0″Bit ″1″ - Flame Interval :,Tf The transmitted waveform as long as a key is depressed. Tf=60ms@480KHz60ms 34

4. DesignCheckApproval Date 04/28/99 GTS CO., Ltd. Specification Specification No. Page of Type GTS Page of GTEC-0016 Circuit Diagram (SW OFF) Format is Mat 50560 -001 IF NO DIODE CONNECTED, customer code is 22H, 0010 0010 THE ORIGINAL DIODE CONNECTION FOR 22 WILL BE =00 CUSTOMER CODE K0 K1 K2 K3 R0 R1 R2 R3 D0 D1 D2 D3 D4 D5 1 2 3 4 17 18 19 20 5 6 7 8 9 13 12 11 14 15 16 Vdd RESET GND REM OUT OSC2 OSC1 GTEC-0016 + 10 04 05 06 07 00 01 02 03 0C0C 0D0D 0E0E 0F0F 08 09 0A0A 0B0B 14 15 16 17 10 11 12 13 = 18 19 1A1A 1B1B 58 59 5A5A 5B5B 9C9C 9D9D 9E9E 9F9F C0 1C1C 1D1D 1E1E 1F1F C1 C2 C3 C4 C5 C6 C7 CX = DIODE 44 455KHz resonator