MK1800 O/M.QXD 9/10/01 7:43 AM Page 12
14 CHANNEL FRS BASE STATION
MODEL: MK1800
BEFORE OPERATING THIS PRODUCT,
PLEASE READ THESE INSTRUCTIONS COMPLETELY.
OPERATING INSTRUCTIONS
MK1800 O/M.QXD 9/10/01 7:43 AM Page 2
SAFETY PRECAUTIONS (CONTINUED)
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
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LOCATION OF CONTROLS
1
2
3 4
5
6
7
8 9 101112 13 14 15
16
1. Antenna
2. CHANNEL/VOLUME
Up/Down Buttons
11. MIC (Microphone)
12. AUTO Button
13. MONITOR Button
3. Transmit Indicator
4. Display
14. Power/VOX Indicator
15. ENTER/LOCK Button
5. Battery Compartment
(Bottom of Unit)
6. POWER Button
7. MIC/EARPHONE Jack
(Side of Unit)
–
+
16. DC6V Jack
of Unit)
(Side
8. MENU Button
9. TALK Button
10. CALL Button
3
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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
AC Outlet
disconnected when the AC adapter
is connected.
AC Adapter's Plug
4
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OPERATION
TO TURN THE UNIT ON/OFF
ANTENNA
1
1
ON: Press and hold the POWER
button for 1 second; the unit will
beep and the Power/VOX
indicator will light green.
SIDE OF UNIT
OFF: Press and hold the POWER
button for 1 second; the unit will
beep and the Power/VOX
indicator will turn off.
For best results, rotate the
antenna angle to 90° to 180° as
shown in the figure above.
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.
TO ADJUST THE VOLUME
TO SELECT A CHANNEL
1
1
1
3
2
2
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.
To adjust the volume, press the
CHANNEL/VOLUME Up or Down
button until the desired level (1 to
16) appears in the display.
5
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OPERATION (CONTINUED)
TO SET THE BEEP
TO TRANSMIT
1
1
1
3
2
2
This option will determine whether To transmit, press and hold the
or not a beep is heard after each TALK button and speak into the
button press. Press the MENU built-in microphone (or the external
button ❶ twice and the display will 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.
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.
TO MONITOR
TO SEND A CALL TONE
1
1
This function will unmute the This function will send
a
speaker/disable Auto Squelch as distinctive tone to users who are
long as it is pressed. This is useful tuned to the same channel as
to hear signals that are too weak your unit. The users you are
to be recognized or to adjust the trying to reach will recognize your
volume to background noise. To distinctive call tone. To send a call
monitor, simply press and hold the tone, simply press the CALL
MONITOR button.
button once.
6
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OPERATION (CONTINUED)
TO LOCK CONTROL KEYS
LISTENING TO TRANSMISSIONS
1
1
2
3
1
1
This function will lock the
CHANNEL/VOLUME Up/Down ❶
and the MENU ❷ buttons.
When the unit is on, it will
automatically broadcast the
incoming signal when a strong
incoming signal is received on the
selected channel.
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.
AUTO SQUELCH
VOX (VOICE ACTIVATION)
1
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.
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.)
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OPERATION (CONTINUED)
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)
462.5625
1
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
11
12
13
14
467.6125
467.6375
467.6625
467.6875
467.7125
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MK1800 O/M.QXD 9/10/01 7:43 AM Page 9
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 10
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.
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MK1800 O/M.QXD 9/10/01 7:43 AM Page 11
Memcorp, Inc.
Weston, FL
Printed in Hong Kong
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