E.F. Johnson Company Challenger 7171 Manuel d'utilisateur

MULTI-NET® IIVIKING® CMFM TWO-WAYPORTABLE RADIOPart No. 002-8585-3783-98hphPrinted in U.S.A.SAFETY INFORMATIONThe FCC has adopted a safety standard fo

Placing a Standard CallProceed as follows:1. Select the desired system and group.2. If a conventional system is selected, the channel must be monitore

4. Momentarily press the push-to-talk switch to acquire a dial tone. Then press the SEND key to transmit the number in the display. A short tone then

fication is cleared so that the phone number can be displayed. In addition, the SCN, LCK, and RTN keys become STO, CLR, and RCL keys. Group scan is al

bers can be locked so that they cannot be changed. If you were to change a number with a unique identification, the identification is erased and it ca

The System Scan feature monitors the programmed systems in sequence. When a message is detected that your transceiver is programmed to receive, scanni

NOTE: If the current quick select position is locked (see page 29), the transmission always occurs on the selected sys-tem/group even if the “temporar

this tone sounds, no more access attempts are made until the push-to-talk switch is released and then pressed again.• If this tone sounds after the tr

Channel MonitoringIn the Multi-Net mode, channel monitoring is performed automatically by the transceiver. In the conventional mode, it is performed m

When group scan is programmed on a system, calls are received on all selectable groups, regardless of which is selected. In addition, the display auto

standard call is being made, and the dial tone is heard if a special call is being made. The call can then be placed in the normal manner.If no call i

Viking head/E.F. Johnson logo, Multi-Net, and Call Guard are registered trademarks of the E.F. Johnson Company. All other company and/or product names

Call Guard SquelchEach group (channel) of a conventional system can be programmed with Call Guard squelch. This feature elimi-nates the distraction an

Call IndicatorThe call indicator is the word “CALL” in the lower part of the display. The purpose of this indicator is to show that a call was receive

2. To disable the key press tone, press the push-to-talk switch to select “KP_MUTE”. Then to enable the tone again, select either “KP_ENAB” or “KP_LOC

The other control unit switches and the equivalent transceiver switch are shown below. Some transceiver functions are not controllable from the remote

Miscellaneous Operating InformationMicrophone Hanger - The microphone hanger controls the monitor mode similar to the Monitor key (off-hook = monitor)

MISCELLANEOUSSystem Operator ProgrammingAs noted in the descriptions of many of the features of this transceiver, programming by your system operator

Rechargeable Battery PackWARNINGDo not dispose of the battery pack in fire because it may explode. Battery packs should be disposed of in accor-dance

Speaking Into MicrophoneFor best results, hold the speaker grille about l-2 inches away from your mouth and speak slowly and distinctly at a normal co

QUICK REFERENCE GUIDEChange system number Press the “S” key to increase the system number or 2ND and then “S” to decrease the system number. The quick

Enable/disable key toneTurn power on with auxiliary switch on side pressed. Then press the auxiliary switch to display “KP_xxxx” and the PTT switch to

ANTENNAACCESSORY CONNECTORBACKLIGHT SWITCHAUXILIARY SWITCHMICROPHONEPUSH-TO-TALK SWITCHSYSTEM SELECTPHONE MODE SELECTSEND KEYBATTERY RELEASE BUTTONQUI

Side ControlsPush-To-Talk SwitchPressing the lower half of the rubber switchpad turns the transmitter on. The transmit indicators are the red indica-t

LCK (Lock)Pressing this switch changes the scan list status of either the displayed system or group, depending on which was selected last. (Group scan

DISPLAY INFORMATIONThe following information appears at various times in the transceiver display. To view all the information in the display, turn pow

LOIndicates that the low-power mode has been selected by the menu selected by turning power on with the Auxiliary switch pressed. To enable low power,