![background image](http://html.mh-extra.com/html/icom/ic-7850/ic-7850_instruction-manual_612352015.webp)
xiv
SET MODE Section 15
■
■
et mode description …………………………………………………… 15-2
D
et mode operation ………………………………………………… 15-2
D
creen arrangement ………………………………………………… 15-3
■
■
evel set screen ………………………………………………………… 15-4
■
■
CC set screen ………………………………………………………… 15-6
■
■
isplay set screen …………………………………………………… 15-10
■
■
ime set screen ……………………………………………………… 15-12
■
■
thers set screen …………………………………………………… 15-13
MAINTENANCE Section 16
djusting the Main dial brake ………………………………………… 16-2
sing the Voice synthesizer operation
WR reading …………………………………………………………… 16-3
alibration the Frequency (approximate) …………………………… 16-4
etting My call sign …………………………………………………… 16-5
leaning ………………………………………………………………… 16-7
esetting the CPU ……………………………………………………… 16-7
bout protection indications …………………………………………… 16-8
pening the transceiver’s case ……………………………………… 16-8
use replacement ……………………………………………………… 16-9
lock backup battery replacement …………………………………… 16-9
roubleshooting ……………………………………………………… 16-10
Transceiver power ………………………………………………… 16-10
Transmit and receive ……………………………………………… 16-10
Scanning …………………………………………………………… 16-11
Display ……………………………………………………………… 16-11
UPDATING THE FIRMWARE Section 17
eneral ………………………………………………………………… 17-2
Checking the firmware version …………………………………… 17-2
reparation ……………………………………………………………… 17-3
File downloading …………………………………………………… 17-3
irmware update— using an SD card/USB flash drive …………… 17-4
CONTROL COMMAND Section 18
Remote control (CI-V) information
■
D
D
D
D
TABLE OF CONTENTS