Compaq Armada 7300 33.6Kbps Modem Commands for Armada 7000 Family of Personal - Page 55

: 3 +,7( $3(5 (cont.) NOTE: This $S8 register is not supported on all manufacturers' phone models. NOTE: The value returned is a relative signal strength. The range may vary from phone to phone. NOTE: If any bit = 1, corresponding status is active. . . Cellular S Registers . . . Battery Level ($S8) . . This command is read-only and indicates a number received from the cellular telephone . indicating the relative battery level. . . Range: 0 to 255 . . . Cellular Signal Strength ($S1) . This command is read-only and is usually an 8-bit number received from the cellular phone . . to indicate the relative received signal strength. . . . Cellular Signal Strength Threshold ($S2) . This command specifies a threshold for dialing calls. If the cellular signal strength ($S1) is . below this value, the connection attempt is terminated with NO CARRIER result code and . . . no connection will be established. To disable this feature, set the value to zero. This affects cellular calls only. . Range: 0 to 255 . . Default: 0 . . . Cellular Status Request ($S0) . . This is a read-only, bit-mapped register. The following information is reported by the . indicated bits being set in the return value: . . Bit Status . . 0 Reserved . . 1 Cellular phone in use . 2 Cellular phone locked . . 3 No service . . 4 Roam . 5 Reserved . . 6 Reserved . . 7 Reserved . . . . . . . . . . . . . . .