MODEL: MK1800
BEFORE OPERATING THIS PRODUCT,
PLEASE READ THESE INSTRUCTIONS COMPLETELY.
14 CHANNEL FRS BASE STATION
OPERATING INSTRUCTIONS
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1
SAFETY PRECAUTIONS
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO USERSERVICEABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
DANGEROUS VOLTAGE
The lightning flash with arrowhead symbol, within an
equilateral triangle is intended to alert the user to the
presence of uninsulated dangerous voltage within the
product’s enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
ATTENTION
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.
IMPORTANT:
PLEASE KEEP ALL PACKAGING MATERIAL FOR AT LEAST
90 DAYS IN CASE YOU NEED TO RETURN THIS PRODUCT
TO YOUR PLACE OF PURCHASE OR MEMOREX.
Before using, fill out and mail the registration card. This will
make sure a permanent record is made with the date of
purchase in case service is needed.
SURGE PROTECTORS:
It is recommended to use a surge protector for AC connection.
Lightning and power surges ARE NOT covered under warranty for
this product.
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FCC WARNINGS:
This device complies with part 15 of the FCC rules. Operation is
subject to the condition that this device does not cause harmful
interference.
PRECAUTIONS:
• Do not modify or attempt to adjust the transceiver for any reason.
• Avoid extremes in exposure to water, heat and cold.
• Do not expose the transceiver to long periods of direct
sunlight, nor should the transceiver be placed close to
heating appliances.
• Do not place the transceiver in excessively dusty areas,
humid areas, wet areas, or on unstable surfaces.
• If smoke is coming from the transceiver, immediately turn off
the power and remove the batteries or unplug the unit.
Contact your dealer.
2
SAFETY PRECAUTIONS (CONTINUED)
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LOCATION OF CONTROLS
1. Antenna
2. CHANNEL/VOLUME
Up/Down Buttons
3. Transmit Indicator
4. Display
5. Battery Compartment
(Bottom of Unit)
6. POWER Button
7. MIC/EARPHONE Jack
(Side of Unit)
8. MENU Button
9. TALK Button
10. CALL Button
11. MIC (Microphone)
12. AUTO Button
13. MONITOR Button
14. Power/VOX Indicator
15. ENTER/LOCK Button
16. DC6V Jack (Side
of Unit)
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1
2 3 4 6 75
1513 1412111098
16
–+
4
POWER SOURCES
BATTERY INSTALLATION
Open the battery compartment and insert four (4) "AA" size
batteries (not included) following the polarity diagram. Put the
battery compartment cover back into place. When the battery is
low, the display will show “L” and blink.
BATTERY PRECAUTIONS
Follow these precautions when using batteries in this device:
1. Use only the size and type of batteries specified.
2. Be sure to follow the correct polarity when installing the batteries as indicated in the
battery compartment. Reversed batteries may cause damage to the device.
3. Do not mix different types of batteries together (e.g. Alkaline and Carbon-zinc) or
old batteries with fresh ones.
4. If the device is not to be used for a long period of time, remove the batteries to prevent
damage or injury from possible battery leakage.
5. Do not try to recharge batteries not intended to be recharged; they can overheat and
rupture. (Follow battery manufacturer’s directions.)
DC JACK
To use this unit with the provided AC adapter having 6V and a
positive center pin, insert the AC
adapter’s plug into the DC6V jack
on the unit and the other end into
an AC outlet. The batteries will be
disconnected when the AC adapter
is connected.
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—
+
– +
+
—
+
—
+
—
AC Outlet
AC Adapter's Plug
5
ON: Press and hold the POWER
button for 1 second; the unit will
beep and the Power/VOX
indicator will light green.
OFF: Press and hold the POWER
button for 1 second; the unit will
beep and the Power/VOX
indicator will turn off.
1
For best results, rotate the
antenna angle to 90° to 180° as
shown in the figure above.
1
TO TURN THE UNIT ON/OFF
ANTENNA
To adjust the volume, press the
CHANNEL/VOLUME Up or Down
button until the desired level (1 to
16) appears in the display.
1
To select a channel, press the
MENU button ❶ once and the
display will blink. Within 7 seconds,
press the CHANNEL/ VOLUME Up
or Down button❷ until the desired
channel (1 to 14) appears in the
display. Press the ENTER/LOCK
button ❸ when done.
1
TO ADJUST THE VOLUME
TO SELECT A CHANNEL
OPERATION
If there are no transmissions for 2 seconds, the unit will automatically switch
to standby mode (display will turn off), which will save batteries (if used).
When a transmission is received or if you attempt to send a transmission,
the display will turn back on.
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SIDE OF UNIT
1
2
3
2
6
This option will determine whether
or not a beep is heard after each
button press. Press the MENU
button ❶ twice and the display will
either show “b” or “-”. Within 7
seconds, press the CHANNEL/
VOLUME Up or Down button ❷ to
turn the beep on (“b” will appear in
the display), or off (“-” will appear).
Press the ENTER/LOCK button ❸
when done.
1
To transmit, press and hold the
TALK button and speak into the
built-in microphone (or the external
microphone, if connected). When
the TALK button is pressed, the
Transmit indicator will light and the
speaker will be muted. When the
TALK button is released, the
listener will hear a beep to confirm
you are done speaking.
1
TO SET THE BEEP
TO TRANSMIT
This function will unmute the
speaker/disable Auto Squelch as
long as it is pressed. This is useful
to hear signals that are too weak
to be recognized or to adjust the
volume to background noise. To
monitor, simply press and hold the
MONITOR button.
1
This function will send a
distinctive tone to users who are
tuned to the same channel as
your unit. The users you are
trying to reach will recognize your
distinctive call tone. To send a call
tone, simply press the CALL
button once.
1
TO MONITOR
TO SEND A CALL TONE
OPERATION (CONTINUED)
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2
2
3
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This function will lock the
CHANNEL/VOLUME Up/Down ❶
and the MENU ❷ buttons.
To activate, press and hold the
ENTER/LOCK button ❸ for 2
seconds; the unit will beep and “L”
will briefly appear in the display.
To deactivate, press and hold the
ENTER/LOCK button ❸ for 2
seconds; the unit will beep and “–”
will briefly appear in the display.
1
When the unit is on, it will
automatically broadcast the
incoming signal when a strong
incoming signal is received on the
selected channel.
1
TO LOCK CONTROL KEYS
LISTENING TO TRANSMISSIONS
This unit is equipped with Auto
Squelch, which will automatically
mute weak transmissions and
unwanted noise. Auto Squelch
can be temporarily turned off
using the MONITOR button (see
TO MONITOR section on the
previous page.)
1
Voice activation will allow you to
listen/transmit while freeing your hands
for other tasks. Press the AUTO button;
the Power/VOX indicator will light red.
Then whenever the unit detects a
sound or voice, it will automatically
transmit. To shut this function off, press
the AUTO button again; the
Power/VOX indicator will light green.
1
AUTO SQUELCH
VOX (VOICE ACTIVATION)
OPERATION (CONTINUED)
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1
3
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CONNECTING EARPHONE/HEADPHONES:
For private listening, you can connect an earphone or
headphones with a 1/8-inch plug to the MIC/EARPHONE jack
on the side of the unit. This automatically disconnects the
internal speaker. Adjust to a desired volume level, but do not
adjust the volume too high to avoid damage to your hearing.
CONNECTING A MICROPHONE:
Connect a microphone with a 1/8-inch plug to the MIC/
EARPHONE jack on the side of the unit. This automatically
disconnects the internal microphone.
FREQUENCY RANGE:
FRS CHANNEL CHANNEL FREQUENCY (MHZ)
1 462.5625
2 462.5875
3 462.6125
4 462.6375
5 462.6625
6 462.6875
7 462.7125
8 467.5625
9 467.5875
10 467.6125
11 467.6375
12 467.6625
13 467.6875
14 467.7125
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OPERATION (CONTINUED)
MK1800 O/M.QXD 9/10/01 7:43 AM Page 8
SPECIFICATIONS
FREQUENCY:
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462 ~ 467 MHz
RECEIVER:
Sensitivity (12 db signal) . . . . . . . . . . . . . . . . . . . . . . . . 0.25 uV
Max audio output @10THD . . . . . . . . . . . . . . . . . . . . . 300 mW
Max S/N ratio @ 1mV RF input . . . . . . . . . . . . . . . . . . . . 40 dB
Squelch sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2 uV
Audio frequency response (300Hz/3000Hz) . . . . . . . . . ±10 dB
Signal displacement BW . . . . . . . . . . . . . . . . . . . . . . . . ± 5 Hz
Adjacent channel rejection. . . . . . . . . . . . . . . . . . . . . . . . 50 dB
Intermodulation rejection . . . . . . . . . . . . . . . . . . . . . . . . . 50 dB
Spurious response rejection . . . . . . . . . . . . . . . . . . . . . . 50 dB
TRANSMITTER:
Effective radiated power . . . . . . . . . . . . . . . . . . . . . . . 300 mW
Carrier frequency stability . . . . . . . . . . . . . . . . . . . . . . . ±1 KHz
Modulation limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 KHz
Carrier attack time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 mS
Audio frequency response (300Hz/3000Hz) . . . . . . . . . ±10 dB
Audio distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3%
Hum and noise. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 dB
POWER SUPPLY
Battery life ( 1:1:8 Ratio ). . . . . . . . . . . . . . . . . . . . . . . . . 30 hrs
Batteries (4 X 1.5V “AA” . . . . . . . . . . . . . . . . . . . . . . 4.8 – 6.0V
Specifications are subject to change without notice.
9
MK1800 O/M.QXD 9/10/01 7:43 AM Page 9
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FOR ADDITIONAL SET-UP OR OPERATING ASSISTANCE,
PLEASE VISIT OUR WEBSITE AT
WWW.MEMCORPINC.COM
OR CONTACT CUSTOMER SERVICE AT 1-800-919-3647
PLEASE KEEP ALL PACKAGING MATERIAL FOR AT
LEAST 90 DAYS IN CASE YOU NEED TO RETURN THIS
PRODUCT TO YOUR PLACE OF PURCHASE OR
MEMOREX.
FOR PARTS AND ACCESSORIES, CONTACT FOX INT’L
AT 1-800-321-6993.
MK1800 O/M.QXD 9/10/01 7:43 AM Page 10
Memcorp, Inc.
Weston, FL
Printed in Hong Kong
Visit our website at www.memcorpinc.com
MK1800 O/M.QXD 9/10/01 7:43 AM Page 11
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