| 摘要 |
<P>PROBLEM TO BE SOLVED: To display a radio wave level of a radio device set in a printer, at the printer side. <P>SOLUTION: An LED display part 6 is set at the radio device 5 mounted at a back face of the printer 1. Each LED which constitutes the LED display part 6 is turned on or off in accordance with the present radio wave level. An LCD 2, an LED display part 3 and a discharge opening 4 for discharging a label are set at a front face of the printer 1. The printer 1 transmits a command of indicating to send back the present radio wave level to the radio device 5. When data showing the present radio wave level sent back from the radio device 5 is received, a message or the like showing the radio wave level is displayed at the LCD 2, and at the same time each LED of the LED display part 3 is turned on or off in accordance with the radio wave level. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
