To obtain maximum performance from the transceiver, select a high-quality antenna and mount it in a good location. A nonradial antenna should be used when using a magnetic mount.
Roof-mount antenna antenna Drill a hole or use a magnetic mount. Gutter-mount antenna. This will ensure that all transceiver settings are at their defaults. See p. Push [PWR] for 1 sec. Note that in this manual, sections beginning with a microphone icon as above , designate operation via the HMS microphone. To prevent accidental frequency changes and unnecessary function access, use the lock function.
The transceiver has 2 different lock functions. This function locks the tuning dial and switches electronically and can be used together with the microphone lock function. Push [ Y ] or [ Z ] to select the desired frequency. If this happens, push [ Y ] or [ Z ] again to cancel the scan.
The following tuning steps are available:. NOTE: For convenience, select a tuning step that matches the frequency intervals of repeaters in your area. When interference is received, rotate [SQL] clockwise again for attenuator operation. When receiving a signal on the set frequency, squelch opens and the transceiver emits audio.
Appears when receiving. This function is used to listen to weak signals without disturbing the squelch setting or to open the squelch manually even when mute functions such as the tone squelch are in use. This function temporarily mutes the audio without disturbing the volume setting.
Welcome to ManualMachine. We have sent a verification link to to complete your registration. Log In Sign Up. Forgot password? Enter your email address and check your inbox. Please check your email for further instructions. Enter a new password. NOTE If disregarded, inconvenience only. For U. Europe versions HMS. Asia, Australia versions HMT. Function display p.
MW MW ] Selects a memory channel for programming. Push and hold to select a duplex setting. Lights red while transmitting. SCAN 2 Starts and stops scanning. PTT-M Starts and stops priority watch. SIMP 9 p. While being pushed, transmits a Hz 0 tone. SET B mode selection. MUTE No primary function. Mutes the audio. Neil - With the background on your BIO, I am surprised you would have problems troubleshooting this radio.
Icom Global Support web site has all of the manuals on-line however - not the service manuals - these have to be ordered through Icom America web site. Now, which wires did you cross? Do you have the original Icom HMS microphone? Are your wiring the connector to another non-Icom microphone?? Using this function you can transmit without pushing and holding the PTT switch. To prevent accidental, continuous transmissions with this function, the transceiver has a time-out timer.
See page 55 of manual for details. Push [PTT] to transmit and push again to receive. Program the subaudible tone frequency in set mode. Set the frequency to be checked for a tone frequency e. This is be- cause the EX has both an infrared receiver and a microphone connector which contains microphone charging capabilities. Toggles between transmitting and receiving while the one-touch PTT function is in use. Selects high output power. DTMF Selects low output power.
T-SQL Selects simplex. Page 57 Enters set mode and advances the set mode selection order. Decreases the set mode selection order T-OFF after entering set mode. DEMO Sets the keypad for numeral input. Set both the microphone address and microphone dip switch to the same value as follows.
NOTE: When the supplied microphone is connected, the transceiver rejects control signals from the HM even when the microphone address is matched. The time can be set to 30 min.
Turn power OFF. While pushing the desired switch on the transceiver and [F-1] or [F-2] on the microphone, turn power ON. Scan does not operate. Partial CPU resetting If you want to initialize the operating conditions without clear- ing the memory contents, etc. If you have any questions regarding options please consult your Icom dealer. Cable length: 1. HM, HM Equipped with a tone call function. HMS Remote control microphone with keypad backlighting. Page 72 Count on us! Print page 1 Print document 72 pages.
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