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Page 5
2 - Electrical Requirements
Unit
[GHz]
[Num]
[dBm]
[Num]
[dBm]
[dBm]
[dBm]
2.1 - Electrical Characteristic
Parameter Condition Spec
B526A Manual
Frequency Range
Channel
RF Power
Test channel
RF Power
Modulation
Characteristics
Carrier
Frequency
Offset and
Drift
Operating Voltage RF (Bluetooth)
PAvg
PMax
Pmin
∆f1 avg
∆f2 avg
∆f2/∆f1
∆f2min
∆f2rate
fTx-fn
∆f0-fn
f1-f0
∆fn-f(n-5)
Bluetooth
Low Energy
Specification
TC-3000
(RF measuring instrument)
2.402 ~ 2.480
40
0
19
0±1
+1
-1
225~275
≥
185
0.8
≥
92.5
≥
99
≤
150
≤
50
≤
20
≤
20
2.0~3.6 [V]
[KHz]
[KHz]
[KHz]
[%]
[KHz]
[KHz]
[KHz]
[KHz]
LVI Voltage Low Voltage Indicate
Operating current (IR)Power: 3V
Operating current (RF KEY)
Operating current (RF+Voice)
Leakage current
RF range (distance)
IR Range
300Hz
VOICE
2KHz
3.8KHz
Power: 3V
Non-directional distance
Horizontal
Voice Inspection JIG
Direct
2.25 ± 0.2 [V]
≤
35
≤
12
≤
25
≤
10 [㎂]
≥
10
12 [m]
7 (±30°) [m]
-15 ~ -5 [dB]
-21 ~ -2 [dB]
20 ~ 0 [dB]
- Hardware Version: V1.0
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[mA]
[mA]
[mA]
[m]
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Page 6
3 - Software Requirements
3.1 - Bluetooth 4.2 LE identification
a) Device Name: Channel Master Remote
b) Vender ID: 0x02AF
c) Product ID: 0x2025
d) Software Version : V0007
3.2 - Pairing mode
a) At first time pairing or after Factory Reset, RCU works only in IR.
b) Press [OK] and [APPS] keys for longer than 4 seconds. LED stays ON while pressing
[OK] and [APPS] keys.
B526A Manual
c) After 4 seconds, the LED starts blinking so that to confirm the remote has entered into
pairing mode.
d) After RCU has entered pairing mode, RCU can send the IR signal of Up, Down, Left,
Right and OK keys.
e) If pairing is successfully made, the LED goes OFF and remote starts working in
Bluetooth.
f) If the user presses any key during pairing mode, the remote stops pairing and goes back
to IR mode, excepted Up, Down, Left, Right and OK keys.
g) If pairing is not successfully made for 90 seconds, the LED goes ON for 4 seconds and
then goes OFF. The remote stops pairing and goes back to IR mode if first time pairing
and after Factory Reset.
3.3 - Re-pairing mode
a) Press [OK] and [APPS] keys for longer than 4 seconds. LED stays ON while pressing
[OK] and Google [APPS] keys.
b) After 4 seconds, the LED starts blinking so that to confirm the remote has entered into
pairing mode.
c) After RCU has entered pairing mode, RCU can send the IR signal of Up, Down, Left,
Right and OK keys.
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d) If pairing is successfully made, the existing pairing table is deleted, the LED goes OFF
and the remote works in Bluetooth with the new device.
e) If the user presses any key during pairing mode, excepted Up, Down, Left, Right and
OK keys, the remote stops pairing and the previous paired status is restored,
f) If pairing with new device is not successfully made for 90 seconds, the LED goes ON
for 4 seconds and then goes OFF. The previous paired status is restored.
3.4 - Factory Reset mode
a) Press [APPS] and [0] keys for longer than 4 seconds. LED stays ON while pressing
[APPS] and [0] keys.
b) The remote blinks 3 times to confirm that it is deleting the existing pairing table and TV
& Audio IR setting.
B526A Manual
c) When Factory Reset is completed, LED goes OFF and the remote works in IR mode.
3.5 - IR backup in paired mode
a) If, for any reason, the RF connection is lost, the remote sends the IR code of the
corresponding pressed key.
b) The remote tries to reconnect for sending the RF code.
3.6 - Voice Search initiated by the remote
a) For Voice function, it is recommended to be within 5 meters from the receiver.
b) Distance between mouth and microphone should be within 40 cm (15~20cm
recommended).
c) Microphone key pressed and released, remote sends “key pressed event, key released
event” to the STB and the STB sends back the START command to the remote.
d) The LED starts blinking, the remote transmits the voice data for 10sec timeout duration.
e) After timeout duration, the remote stops transmitting the voice data and the LED is
turned off.
f) Or When the remote receive the stop command from STB, thre remote stops
transmitting the voice data and the LED is turned off.
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B526A Manual
Note: if any key is pressed within the timeout duration, the remote stops transmitting the
voice data and activate the pressed key event.
3.7 - Voice Search initiated by the launcher
a) For Voice function, it is recommended to be within 5 meters from the receiver.
b) Distance between mouth and microphone should be within 40 cm (15~20cm
recommended)
c) User selects and validates the voice search on the launcher by using navigation and OK
keys.
d) STB sends the voice search START command to the remote.
e) After timeout duration, the remote stops transmitting the voice data and the LED is
turned off.
f) Or When the remote receive the stop command from STB, thre remote stops
transmitting the voice data and the LED is turned off.
Note: if any key is pressed within the timeout duration, the remote stops transmitting the
voice data and activate the pressed key event.
3.8 – Setup for TV & Audio
a) As long as the RCU is paired to the STB, the RCU can then automatically be set up by
the STB for TV or Audio control.
b) The STB can set the RCU’s IR using the command defined in Appendix1.
c) When the setting is completed, the Volume key and the Power key output the IR signal
according to the set value.
d) If the RCU receives the “send keycode” command, it outputs the IR signal of the
corresponding key. However, the RCU will not store the set value.
e) The TV database uses the set number from 0001 to 1999.
f) The Audio database uses the set number from 3001 to 4999
3.9 – Remove the TV & Audio
a) Press [OK] and [V-] keys for longer than 4 seconds. LED stays ON while pressing [OK]
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and [V-] keys.
Info KEYCODE_
PROG_GREEN
0xA6 0x07
0x006A
Power
KEYCODE_POWER
0x21 0x0C 0x0030
D-
pad up
KEYCODE_DPAD_UP
0x15 0x0C 0x0042
D-
pad down
KEYCODE_DAPD_DOWN
0x16 0x0C 0x0043
D-
pad left
KEYCODE_DPAD_LEFT
0x17 0x0C 0x0044
D-
pad right
KEYCODE_DPAD_RIGHT
0x18 0x0C 0x0045
D-
pad center
KEYCODE_DPAD_CENTER
0x19 0x0C 0x0041
Back KEYCODE_BACK
0x48 0x0C 0x0224
Guide
KEYCODE_
SELECT_PROGRAM_GUIDE
0xC0 0x0C 0x0
08D APPS
KEYCODE_
HOME
0x47 0x0C 0x0
223 Vol
ume + - - - -
b) After 4 seconds, LED will be blink 3 times.
c) Press 01 to remove the TV setting. Or press 02 to remove the Audio setting.
d) LED will be blink 3 times to confirm the remote has remove the setting.
3.10 - Couch mode
a) If a key or multiple keys are pressed continuously for more than 30s, the remote stops
transmission (except pairing combination) in order to protect the battery discharge.
3.11 - OAD mode
a) OAD proceeds according to the RTK specification.
B526A Manual
3.12 - Key codes
a) In Bluetooth mode, HID Profile is used.
b) In IR Mode, NEC format is used
- Structure of the NEC format: Custom1 - Custom2 – Data – Inverse data
For MUTE to be seen as 0x16-0x20-0x25. Another alternative is 0x1620-0x25
Custom1: 0x16
Custom2: 0x20
c) Code list is detailed in Table 1
Key Code Name
Event constant name
IR Code
(Data)
HID
Usage Page Usage ID
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Page 10
B526A Manual
Vol
ume - - - - -
DVR KEYCODE
_MEDIA_SELECT_HOME
0xA0 0x0C 0x0
09A Channel
+
KEYCODE_CHANNEL_UP
0x33 0x0C 0x009C
Channel
-
KEYCODE_CHANNEL_DOWN
0x34 0x0C 0x009D
Rew
ind KEYCODE_
MEDIA_
REWIND
0x51 0x0C 0x00B4
Play/Pause
KEYCODE_MEDIA_
PLAY_PAUSE
0x52 0x0C 0x00CD
Fast
Forward
KEYCODE
_MEDIA
_FAST_FORWARD
0x53 0x0C 0x00B3
1
KEYCODE_1
0x01 0x07 0x001E
2
KEYCODE_2
0x02 0x07 0x001F
3
KEYCODE_3
0x03 0x07 0x0020
4
KEYCODE_4
0x04 0x07 0x0021
5
KEYCODE_5
0x05 0x07 0x0022
6
KEYCODE_6
0x06 0x07 0x0023
7
KEYCODE_7
0x07 0x07 0x0024
8
KEYCODE_8
0x08 0x07 0x0025
9
KEYCODE_9
0x09 0x07 0x0026
0
KEYCODE_0
0x0A
0x07 0x0027
● KEYCODE_
.and >4
0xA1 0x07
0x0037
Mic
rophone
KEYCODE_SEARCH
0x46 0x0C 0x0221
Table 1: Code list
3.13 - Battery level
a) RCU sends the information for battery level using Bluetooth battery service.
b) Level of LVD is 2.25V ±0.2V.
c) If the battery voltage as reached the LVD value, RCU cannot enter the pairing mode.
d) If the battery voltage is under 2.0V, RCU does not operate.
e) When the battery voltage is 2.1V or more, the RCU operates again.
4 - EMC Conformity
Assesment of compliance of the product to the requirements relating to Electromagnetic
Compatibility is based on the following standards:
4.1 – FCC : FCC Part 15 Subpart C 15.247
4.2 – IC : RSS-210, RSS-247
4.3 – Mexico : IFETEL, NOM
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Page 11
FCC 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 dev
including interference that may cause undesired operation.
ice must accept any interference received,
Caution
Changes or modifications not expressly approved by the manufacturer could
void the user's authority to operate the equipment.
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.
FCC RF Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for
an uncontrolled environment. This transmitter must not be co-located or
operating in conjunction with any other antenna or transmitter. End users
must follow the specific operating instructions for satisfying RF exposure
compliance.
Industry Canada(IC) Statement
[English]
Statement
This device complies with Industry Canada’s License-exempt RSSs.
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.
Industry Canada Statement
(For Canada)
This device complies with Industry Canada’s license-exempt RSSs.
Operation is subject to the following two conditions:
(1) This device may not cause interference; and
(2) This device must accept any interference, including interference
that may cause undesired operation of the device.
IC Radiation Exposure Statement
(For Canada)
This equipment complies with IC radiation exposure limits set forth for an
Uncontrolled environment.
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