INSTRUCTIONS
PTT MICROPHONE ADAPTER
CT-23
Thank you for choosing this Icom product.
READ ALL INSTRUCTIONS
carefully and
completely before using this product.
PRECAUTIONS
R
WARNING! NEVER
connect a power adapter
to the CT-23 other than the specified one. This
may cause a fire or damage the CT-23.
CAUTION: NEVER
connect a microphone
to the CT-23 other than the specified one.
Other microphones may have different pin
assignments, and could damage the CT-23 or
the microphone.
CAUTION: NEVER
expose the CT-23 to rain,
snow or any liquids. This may damage the CT-23.
CAUTION: NEVER
let metal, wire or other
objects protrude into the connector.
DO NOT
use or place the CT-23 in areas with
temperatures
below 0°C (32°F)
or above
40°C (104°F).
DO NOT
use harsh solvents such as Benzine
or alcohol to clean the CT-23. They will damage
the CT-23’s surfaces.
TIP:
Output audio from the CT-23 includes high
pitch tones that humans can hardly hear.
However, when you playback any recorded
audio while using the CT-23, it might be better
to not
turn the volume too high.
FCC INFORMATION
DISPOSAL
For CLASS B UNINTENTIONAL RADIATORS
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 interfer-
ence 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 con-
nected.
• Consult the dealer or an experienced radio/TV technician for help.
FEATURES
m
Make Land Mobile microphones usable
for NXDN or dPMR system
When the SM-26/SM-25 (discontinued product)
stand
microphone
or the HM-152
hand
microphone
is connected to a Remote Communicator (PC)
through the CT-23, you can make full use of the
microphone for your NXDN or dPMR system.
m
POWER/TRANSMIT indicator
The CT-23 has a POWER/TRANSMIT indicator
on the top panel that indicates the operating
status.
m
External switch is connectable
When an external switch is connected, you can
use it instead of the microphone’s [PTT] switch
or [MONITOR] switch.
m
Easy connections
The CT-23 has 4 different types of connectors
for safe, easy connection.
SUPPLIED ITEMS
Item Qty.
q
CT-23 ................................................... 1
w
Self tapping screws .............................. 2
e
Audio cable .......................................... 1
w
e
q
The crossed-out wheeled-bin
symbol on your product, literature,
or packaging reminds you that in
the European Union, all electrical
and electronic products, batteries,
and accumulators (rechargeable
batteries) must be taken to
designated collection locations at the end of
their working life. Do not dispose of these
products as unsorted municipal waste. Dispose
of them according to the laws in your area.
Icom is not responsible for the destruction,
damage to, or performance of any Icom or
non-Icom equipment, if the malfunction is
because of:
• Force majeure, including, but not limited to,
fires, earthquakes, storms, floods, lightning,
other natural disasters, disturbances, riots,
war, or radioactive contamination.
• The use of Icom transceivers with any
equipment that is not manufactured or
approved by Icom.
