EFJohnson 7780 service manual Channel Change Parameter, System Parameters, Channel Parameters

TRANSCEIVER OPERATION

2.7.4 CHANNEL CHANGE PARAMETER

The “CHAN CHG” menu parameter selects the conventional channel to be reprogrammed. Disabled or SMARTNET/SmartZone channels cannot be selected. This does not change the channel selected for normal operation.

Enter the channel number or scroll through the

programmed channels by pressing the and

keys. When the desired channel is displayed, select it by pressing the ENT key.

2.7.5 SYSTEM PARAMETERS

The “SYS PRM” menu parameter selects the conventional mode timer to be reprogrammed (see

following). Press the and keys to display the desired timer and then press the ENT key to select it.

SCAN TMR - Selects the Scan Hold timer. Press

the and keys to decrement/increment the timer in 0.5-second steps, and press the “0” key to disable the timer (set it to 0 seconds). When the desired value is displayed, store it by pressing the ENT key.

TX TMR - Selects the transmit time-out timer.

Press the and keys to decrement/increment the timer in 15-second steps, and press the “0” key to disable the timer (set it to 0 seconds). When the desired value is displayed, press the ENT key to store it.

PEN TMR - Selects the penalty timer. Press the

and keys to decrement/increment the timer in 15-second steps, and press the “0” key to disable the timer (set it to 0 seconds). When the desired value is displayed, store it by pressing the ENT key.

CONV TMR - Selects the conversation timer.

Press the and keys to decrement/increment the timer in 30-second steps, and press the “0” key to disable the timer (set it to 0 seconds). When the desired value is displayed, store it by pressing the ENT key.

2.7.6 CHANNEL PARAMETERS

The “CHAN PRM” menu parameter selects the conventional channel parameter to be reprogrammed

(see following). Press the and keys to display the desired parameter and then press the ENT key to select it.

RX FREQ - Selects the receive channel frequency.

Press the and keys to move the cursor left and right, and press the 0-9 keys to enter a digit. When the desired frequency is displayed, store it by pressing the ENT key.

TX FREQ - Same as RX FREQ above.

RX CODE - Selects the receive Call Guard (CTCSS/DCS) code. Press the “0” key to display the first available code, and press it again to toggle between types (CTCSS and DCS). Press the

and keys to scroll through the available codes. When the desired code is displayed, store it by pressing the ENT key.

TX CODE - Same as RX CODE above.

TX POWER - Selects the desired power output

level. Press the and keys to scroll through the following choices. When the desired setting is displayed, store it by pressing the ENT key.

•POWER HI - High transmit power

•POWER LO - Low transmit power

•POWER SW - Switchable power selectable by the High/Low power switch. This choice is not available if that switch is not programmed.

TX TMR - Enables or disables the time-out timer

on the current channel. Press the and keys to toggle between the on and off mode, and when the desired setting is displayed, store it by pressing the ENT key.

November 1999
Part No. 001-7780-500	2-22