6BATTERY PACKS AND ACCESSORIES2 Battery pack chargingThe supplied* BP-180 BATTERY PACK includes rechargeableNi-Cd batteries and can be charged approx. 300 times.Charge the battery pack before first operating the transceiv-er or when the battery pack becomes exhausted.*Optional for versions which come with the BP-170 BATTERY CASE.If you want to be able to charge the battery pack more than300 times, the following points should be observed:1. Avoid overcharging. The charging period should be lessthan 48 hours.2. Use the battery until it becomes almost completelyexhausted under normal conditions. We recommend bat-tery charging just after transmitting becomes impossible. Charging precautionsNEVER attempt to charge dry cell batteries. This will causeinternal liquid leakage and damage the battery case andtransceiver.NEVER connect two or more chargers at the same time.Charging may not occur under temperatures of 10°C (50°F)or over temperatures of 40°C (104°F). About the battery packD Operating periodDepending on the attached battery pack, the operating peri-od of the transceiver varies. Refer to p. 28 for battery packspecifications.D Battery pack lifeIf your battery pack seems to have no capacity even afterbeing fully charged, completely discharge it by leaving thepower ON overnight. Then, fully charge the battery packagain.If the battery pack still does not retain a charge (or very little),a new battery pack must be purchased.Recycling information (U.S.A. only)The product that you purchased contains arechargeable battery. The battery is recyclable. Atthe end of its useful life, under various state and local laws,it may be illegal to dispose of this battery into the municipalwaste stream. Call 1-800-8-BATTERY for battery recyclingoptions in your area or contact your dealer.RBRCRBRCNi- Cd

explicit definitions

PANEL DESCRIPTION

panel description

I Function display

BATTERY PACKS AND ACCESSORIES

I Charging connections

I Battery case

I Accessory attachment

BASIC OPERATION

I Setting tuning steps

I Selecting a memory channel

I Repeater operation

programming during selection

programming after selection

I DTMF memory operation

I Scan operation

I Subaudible tone operation

pocket beep operation

OTHER FUNCTIONS

function display backlighting

lcd contrast

I Channel indication mode

TROUBLESHOOTING

OPTIONS

SPECIFICATIONS

MODE ARRANGEMENT

Icom IC-T7H Instruction Manual

Switches, controls, keys and connectors

PANEL DESCRIPTION ............................................ 1

Battery pack charging

Charging connections

Battery case

BATTERY PACKS AND ACCESSORIES ................ 6

Power ON

Setting tuning steps

Selecting a memory channel

Repeater operation

3 basic operation

Memory/call channels

DTMF memory operation

Scan operation

advanced functions

Subaudible tone operation

Initial set mode

dtmf speed

Channel indication mode

mode arrangement

IC-T7H

LOGIC UNIT

RECEIVER CIRCUITS

TRANSMITTER CIRCUITS

PLL CIRCUITS

POWER SUPPLY CIRCUITS

PORT ALLOCATIONS

PLL AND TRANSMITTER ADJUSTMENT

RECEIVER ADJUSTMENT

logic unit