Kelvin Electronics KL-QC08 User manual

Wireless Paging System
1. Functional Diagram
2. Parameter
Host
Pager
Input Power
DC12V/2A
Battery
Li-ion 3.7V 300mAh
Frequency
433.92MHz
Frequency
433.92MHz
Transmit Power
26dBm
Standby Current
<12mA
Standby Power
<120mW
Standby Duration
10h
Modulation Type
FSK
Sensitivity
-115dBm
Max Capacity
998 pagers
Max Distance
800m-1000m
Dimensions
190*130*40mm
Prompt Mode
Vibration/Buzzer/Flashing
Output
DC5V/2A*2
Prompt Time
30s
3. Instructions for Use
A. Before using
Wiring: Host connects to power source via adapter. Charging base connects to host via Type-C cable.
The pager is placed on the charging base. The charging indicator on the pager lights up to indicate
normal status.
Charging Indicator Information:
Pager
Flashing
Charging
Always On
Full Charged
B. Operating Instruction
CALL mode is the default mode. Continuously press Delete button (←) to return Call Mode while in other
mode. C--- is displayed in CALL mode.
Input the number and press CALL button to call the corresponding pager.

C. Mute mode
Press MUTE and 999 (S999 displayed) then press CALL, all charging pagers change to MUTE mode.
Press MUTE and 000 (S000 displayed) then press CALL, all charging pagers change to normal mode.
In MUTE mode, all pagers only vibrate and flash while being called.
Continuously press DELETE button (←) to return CALL mode. (C--- displayed)
D. Call History
Press ∨/∧button to page up/down. When you find a number you want to call again, you can directly
press the CALL.
Continuously press DELETE button (←) to return CALL mode. (C--- displayed)
You can check up to 10 recent call history.
Note: No looping of ∨/∧.
E. One-Call-Off
In CALL mode, press 999 and CALL, all charging pagers will be off. Re-charge pagers will turn on
again.
Note: This instruction is invalid to the pagers not being charged.
F. Program Operation
All pagers are programmed before delivery. So this operation is only necessary when adding new
pagers or changing numbers.
Put the pagers on the charging base, press P and 999 (P999 displayed), then press CALL to enter
programming mode. The operation must be finished in 20 seconds after pagers are charged.
In programming mode, all LED display of the pagers will keep flashing.
Then input number and press CALL, all pagers display this number. Move the top pager away, the pager
will beep once and stop flashing. It means the pager is programmed.
Repeat the steps to program other pagers.
Note: The pagers will quit programming mode if no operation within 1 minute. All pagers’ numbers will
not change if not being programmed.
1 pager only can be programmed 1 number. Old number will be replaced by the new one.
4. Instruction Description
Instruction
Buttons
Display
Function
Programming Mode
P+999+CALL
P999
To enter programming mode
History
∨/∧
H + Number
Check recent 10 call records.
Mute Mode
+999+Call
S999
All charging pagers switch to MUTE mode.
Quit Mute Mode
+000+Call
S000
All charging pagers quit MUTE mode.
Call pagers
[Number]+Call
C+[Number]
The corresponding pager begin to remind.
5. Common Troubles and Solutions
Trouble
Analysis
Solution
The pager can’t be
programmed.
1.The pager is not being charged.
2.Charging is more than 20s.
1. Make sure the pagers are well charged.
2. Try again within 20s after recharging.
The pager can’t be
One-Call-Off
The pager is not being charged.
Make sure the pagers are well charged and
try again.
The pager doesn’t
response.
1. The pager is out of power.
2. Out of call range.
1.Use after full charged.
2.Use within range of call.

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 device must accept any interference received, including
interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable
exposure condition without restriction.