Technical information

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© 1998 SGC Inc
SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA
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want the backlight on or off when the radio is turned on. This is done
by using the ‘REV’ button to toggle between ‘dl ON’ and ‘dl OFF’.
Store the choice by depressing the ‘MEM’ button. Once the ‘MEM’
button is released, a sequential test is performed on each LED and
the backlight. The radio then reverts to normal operation.
1 0 . 4 LOCKOUT ("PBT" + RIT)
To toggle the lockout function on or off, hold "PBT" and RIT
simultaneously upon power up. This command locks out all func-
tions except LIGHT, "BW", MEM (select or scan), NB, and DC
VOLT METER. ‘REV’ toggles the choice between ‘on’ and ‘off.’
To store this choice into the memory, press MEM.
10.5 CODE REVISION DISPLAY (REV)
Pressing REV upon power up displays firmware revision.
10.6 MEMORY CHANNEL RECOVERY PROCEDURE
The following procedure will cure the loss of the 20 memory chan-
nels, when the display reads 66 MHz at power up .
(A) Power up the radio
(B) Engage "channel scan" mode, by doing the following:
(1) depress and hold "CMD" button
(2) depress "MEM" button
(3) release "MEM" button
(4) release "CMD" button
NOTE: It may take up to 5 minutes to re-establish the memories,
although it is usually accomplished in just a few seconds.
(C) Exit "channel scan" by depressing any key.
Warning: This problem can occur
A. If power is removed intermittently.
B. If battery or low DC voltage exist and transmit is operated
Please avoid the above conditions.
NOTE: For proper and faster recovery please insure the input volt-
age is higher than 12 volts DC.