Nokia 638 Nokia 638 User Guide in English - Page 51

Version: 0.7, Date: 11 (2) Dec. 1996 Status: ToL, JaK, JaG, SIR, JoF Troubleshooting If the power does not come on or stay on: • Make sure the battery is properly installed and charged. • Be sure that the contacts on the battery and the charging stand are clean. • Battery charge may be too low for operation. Check the display and listen for the low battery warning tones. If the power comes on, but the phone does not work: • Check the NO SVC indicator, you might be out of the cellular service area. • Make sure that the antenna is properly installed and if your phone has an extendable antenna, make sure that the antenna is extended to its full length. • Check if there is an error message on the display after switching on. If so, contact your local dealer. Technical Information Weight : 6.93 oz. (196 g) with 470 mAh Slim NiMH battery, or 8.41 oz. (238 g) with Extended 950 mAh NiCd battery Transmitting Power: 0.6 W (+ 2 db - 4 dB) Operating Voltage: 4.8 V (internal battery), 110 V (AC), 12 V (car) Frequency Band: 824.040-848.970 MHz (Tx) 869.040-893.970 MHz (Rx) Number of Channels: 832 Memory Locations: 0-40 Memory Capacity: Locations 1-20 Locations 21-40 16 digits 16 letters 32 digits 16 letters 50 NHA-4NG Nokia 638_AU Authentication version US English 9351137 Issue 3