Shiro SD8501 Technical details, Handset’s batteries is running low within an hour or two

User Manual

10. The handset’s batteries is running low within an hour or two.

Before you used the handset for the first time, you should have left it on the base unit for up to 15 hours to charge the batteries fully.

You may need to replace the batteries.

11. I cannot transfer a call.

Make sure the other handset is within range of the base unit, and is not busy on a call.

Make sure you are keying in the correct number for the other handset.

12.No display on LCD screen.

Make sure the batteries have power.

13.I cannot register handset to base

Make sure the number of handset registered to base is not more than 4.

Check that the base unit is not near other electrical equipment, such as TV or computer

Technical details

Full DECT GAP Compatible system

Standard

Frequency range Channel bandwidth Modulation Operating range Operating time Temperature range

Electrical power

1.88 to 1.9 GHz

1.728 MHz

GMSK

Up to 300 m outdoors;

Up to 50 m indoors

Standby time: 100 hours

Talking time: 8 hours

Operating 00C to 400C

Storage -200C to 600C

Handset---2x 1.2V 550 mAH NiMH rechargeable batteries Base unit---input 230 V AC, 50 Hz;

output AC 9 V, 300 mA.

PABX compatibility	Pause length: 3 seconds.
	Signaling type: DTMF (dual-tone multifrequency)
	Pulse dialing

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